This is a mild disease that mainly affects the bush's appearance, but it will spread to currant fruit if not treated. Alpine Currant is a small to medium sized hardy shrub used alot for dense hedging that can be kept trimmed to any desired height from 18 inches to 4 feet. Currants are small fruit from the ribe family and are native to northern Europe and Asia. Alpine Currant will grow to be about 5 feet tall at maturity, with a spread of 6 feet. View gallery. Alpine Currant will grow to be about 5 feet tall at maturity, with a spread of 6 feet. You must have JavaScript enabled in your browser to utilize the functionality of this website. Ribes / ˈ r aɪ b iː z / is a genus of about 200 known species of flowering plants native throughout the temperate regions of the Northern Hemisphere. In the south, its range is limited to hills. Dioecious (separate male and female plants). Alpine Currant Ribes alpinum. With alpine currant branches free from leaves, your hedge's form is easily seen and shaped. There are very few such shrubs in western Europe. Since these leaf parts are the last to be supplied with water from the roots, they are usually the first to be affected. The fungus can live in the soil and in dropped foliage, so gardeners should rake up leaves as they fall. This type of pruning is carried out over a 2-3 year period making sure to remove only 1/3 of the old growth each year. Shiny, dark green leaves in summer; female plants produce bright red fruit in mid-summer (many commercially available cultivars are male and do not produce fruit). These shrubs need little winter care but should be occasionally checked for rabbit or other damage. This plant is common in central and northern Europe (from Finland and Norway south to the Alps and Pyrenees). Previous Next. It tends to fill out right to the ground and therefore doesn't necessarily require facer plants in front, and is suitable for planting under power lines. Currant blister aphid is common on red, white and black-currants. Plan your main annual pruning in late winter or early spring, right before new growth begins. see more; Family Grossulariaceae . The rest of us can go for it any time the soil is workable. Ribes alpinum, commonly called alpine currant, is a compact, mound-forming shrub which grows 3-6' tall. Alpine currant (Ribes alpinum) is a dense shrub so make sure to remove its interior bulk to allow light into the center of the shrub. Fungal Disease White Pine Blister Rust (Cronartium ribicola) Wood Rots and Decays (Many genus and species involved) Anthracnose and leaf spots are potential problems. This is a mild disease that mainly affects the bush's appearance, but it will spread to currant fruit if not treated. Remove dead, diseased or damaged branches. Disease; Alpine Currant is recommended for the following landscape applications; Mass Planting; Hedges/Screening; General Garden Use; Planting & Growing. This fungal infection produces a dark-colored dieback of the tips of the branches and a gray mold rot of the berries. It has glossy green leaves Tolerates wind and is fairly drought tolerant. Save For Later Print see more; Family Grossulariaceae . Mature alpine currants do not require fertilization, but young plants can benefit greatly from regular fertilizing. The spots have a reddish appearance. Prune bushes in the spring when frost danger passes. Left unpruned it doesn't get too large. Alpine Currant will grow to be about 5 feet tall at maturity, with a spread of 6 feet. Foliage: Deciduous. Disease; Alpine Currant is recommended for the following landscape applications: Mass Planting; Hedges/Screening; General Garden Use; Planting & Growing. BRV is the agent of black currant reversion disease (BRD), ... Interestingly, BRV has also been detected in red currant (R. rubrum), and in wild red currant and alpine currant (Latvala et al., 1997), indicating that these Ribes species may act as hosts for BRV. Alpine currants prefer dry conditions. Disease; Alpine Currant is recommended for the following landscape applications; Mass Planting; Hedges/Screening; General Garden Use; Planting & Growing. Alpine Currant Ribes alpinum. - Disease Alpine Currant is recommended for the following landscape applications; - Mass Planting - Hedges/Screening - General Garden Use. Alpine Currant will grow to be about 5 feet tall at maturity, with a spread of 6 feet. Red currants become infested with aphids, while everything else around them is fine. Disease; Alpine Currant is recommended for the following landscape applications; Mass Planting; Hedges/Screening; General Garden Use; Planting & Growing. Title: Diseases of Landscape Plants: Powdery Mildew Author: Janna Beckerman (Purdue Botany and Plant Pathology) Subject: Diseases of Landscape Plants Prior to planting, check with your local extension office to see if this species is legal in your area. With the development of disease-resistant cultivars, the ban was lifted, but this type of currant is still rare. Genus Ribes can be deciduous or evergreen shrubs, sometimes spiny, with simple, usually palmately lobed leaves and small tubular or bell-shaped, solitary or racemose flowers borne in spring or summer, followed by juicy, sometimes edible berries . Size: 3-6’ H x 3-6’ W depending on cultivar. Full sun to shade; moist, well-drained soil is best, but tolerates some dryness; tolerates alkaline soils. Alpines are an increasingly popular plant in UK gardens. Plants can be pruned any time of year and are useful as hedges or in massed plantings. All Rights Reserved. Primarily used for jams and jellies, currants can be made into wine or combined with other fruit and baked into pies or tarts, adding a little zip to low acid fruits. Currants are the forgotten treasure of productive gardens. Currant bushes are very easy to grow and, once planted, are usually quite happy being left to their own devices. Entering your postal code will help us provide news or event updates for your area. Currant bushes affected with anthracnose become less productive and less vigorous. As the infection worsens, leaves can turn yellow. It grows at a medium rate, and under ideal conditions can be expected to live for approximately 30 years. Keeping currant bushes pruned regularly helps ward off the fungal diseases anthracnose, leaf spot and powdery mildew. Foliage is consumed by several small, spotted, caterpillar-like larvae. Wax currant has also been shown to produce allelopathic effects (Heisey 1982). Very low maintenance with no ornamental appeal than its dense green foliage. Infection occurs during wet, humid weather in plantings in low areas with poor air circulation. Currant bushes experience few plant diseases; all can be easily identified and treated with fungicide. I was warned that they were prone to aphids. The pale green leaves are palmate, meaning that they have small, individual leaflets originating from the base of each leaf, an arrangement that loosely resembles the palm of a human hand with its fingers outstretched. If damage is present, construct a small fence around the alpine currant using hardware cloth to protect the plant. Fruit on female plants is an inedible, scarlet berry. What are black currant leaves for? Family (English): Gooseberry. Geographic races. Leaf spot causes red or white currant bush foliage to become dotted with black or brown spots. Neutral: On … Alpine Currant will grow to be about 6 feet tall at maturity, with a spread of 5 feet. Flowers are greenish-yellow and inconspicuous. Deer resistant. The alpine currant is a shrub from the plant family Grossurlariaceae, a family that includes most species of currants and gooseberries. It causes tan spots with dark purple outlines to appear on foliage. White pine blister rust is not a serious disease of currants and gooseberries; however, it is a very serious disease of white pines (Pinus strobus). That warning was correct. Green Mound Alpine Currant will grow to be about 3 feet tall at maturity, with a spread of 24 inches. Growth Rate: Medium. The lighter-green areas gradually turn white. Ribes alpinum, commonly called alpine currant, is a compact, mound-forming shrub which grows 3-6' tall. No serious insect or disease problems. It causes tan spots with dark purple outlines to appear on foliage. European black currants are especially susceptible to the disease, while many red and white cultivars are resistant. Alpine Currant (Ribes alpinum) I have mixed feelings about alpine currant. Alpine currants are most infamous for their low-maintenance needs, their ability to adapt to a variety of growing conditions, and their ability to tolerate extreme winter temperatures. Dioecious (separate male and female plants). Dunn holds a degree from UCSF and formerly worked as professional chef. Alpine Currant. The adults are sawflies about the size of a housefly. 1 A powdery mildew infection generally starts out as a few spores on the leaves but quickly spreads, forming a thick coating of fungi. The infection can spread to the fruit, causing it to crack open. It tends to fill out right to the ground and therefore doesn't necessarily require facer plants in front. Browning of dead tissue often appears without any previous yellowing, extending into the leaf between the veins. Clean up the canopy to promote air circulation by removing weak branches too thin to bear fruit, old branches with woody stems, and vertically growing branches. Don't be concerned with upcoming flowers or fruit. This is a fungal organism that causes a sudden wilting and dying of scattered canes or whole bushes. Outstanding Features: Cold hardiness; dense bright green foliage. Type: Deciduous shrub. Disease; Alpine Currant is recommended for the following landscape applications; Mass Planting; Hedges/Screening; General Garden Use; Planting & Growing. Currant aphid, scale and currant bud mite are occasional insect pests. The infection may appear at any time during the growing season. Alpine currant (Ribes alpinum) is a hardy, low mounded shrub commonly used as a hedge.Plants are tolerant of full sun to full shade. They come in three varieties: red, white and black. Alpine Currant will grow to be about 6 feet tall at maturity, with a spread of 5 feet. Alpine Currant will occasionally set small currant-like fruit, but not consistently enough to consider it an asset. This rust disease can produce striking symptoms on species of wild gooseberries or in neglected home garden plantings but causes slight damage. Size: Small Medium Large Exposure/ Light Requirements: Full Shade Full Sun Partial Sun/Shade Pests and Problems: Environmental Damage. The leaf is thickened where the cluster cup later appears. Title: Diseases of Landscape Plants: Powdery Mildew Author: Janna Beckerman (Purdue Botany and Plant Pathology) Subject: Diseases of Landscape Plants The rust affects leaves, stems, and fruit but is commonly found on the leaves and leaf petioles. It can eventually cause yellowing the leaves and premature leaf drop. A successful website writer since 1998, Elton Dunn has demonstrated experience with technology, information retrieval, usability and user experience, social media, cloud computing, and small business needs. Alpine Currant will grow to be about 5 feet tall at maturity, with a spread of 6 feet. As the infection progresses, the entire surface of these parts becomes covered with a whitish growth. The branches of the plant should be tied in towards the center, then a circle of hardware cloth can be placed around the outside. This plant has some cultivated varieties. Clove currant, buffalo currant, Missouri currant, golden currant. Alpine Currant will grow to be about 5 feet tall at maturity, with a spread of 6 feet. LEARN HOW TO STOP THE INVASIVE SPOTTED LANTERNFLY, Coronavirus: Information and resources for the Extension Community. Older infections form a thin, felt-like coating, which is tan to reddish brown in color. Currants burst into growth quite early in the season however, so it’s important not to delay planting for too long. As the infection worsens, leaves fall off the currant bush. Currant bushes affected with anthracnose become less productive and less vigorous. Form: Upright mound. It tends to fill out right to the ground and therefore doesn't necessarily require facer plants in front. Spots enlarge and the central area becomes light in color with a brown border. It is also native to Alberta, very hardy, and insect and disease resistant. First cut away all dead, diseased and intersectiong branches. Overgrown shrubs can be reinvigorated in a manner similar to lilacs, tatarian honeysuckle, or cranberries. If you had to weigh up the amount of harvest against the effort, space and expense of many edible plants then I think currants would come near the top of the list. Requires consistently moist soil; do not let dry out between waterings. If rabbit damage is found you can protect the plant with a fence formed with hardware cloth (looks like chicken wire but with small square holes). This is a fungus infection appearing first as numerous dark-brown to black dots scattered at random over one or both surfaces of the leaf. Alpine Currant Ribes alpinum. Clean up the canopy to promote air circulation by removing weak branches too thin to bear fruit, old branches with woody stems, and vertically growing branches. This fungal disease affects two hosts -- currant plants and white pine trees. Light: Prefers full sun but tolerates shade. If you are looking for a foliage shrub that you can plant and forget - look no further than the alpine currant! White pine blister rust affects trees of all ages, but perhaps most frequently and severely damages seedlings and saplings. Features. Leaves of Alpine Currant. Common Name: Alpine currant Type: Deciduous shrub Zone: 2 to 7 Height: 3 to 6 feet Spread: 3 to 6 feet Bloom Time: April Bloom Description: Greenish yellow Sun: Full sun to part shade Water: Medium Maintenance: Low Suggested Use: Hedge Flower: Insignificant Attracts: Birds, Butterflies Fruit: Showy Tolerate: Rabbit, Drought, Heavy Shade Culture Easily grown in average, medium, well-drained soil As the infection worsens, leaves can turn yellow. They do not appear on anthracnose leaf spots. If rabbit damage is found you can protect the plant with a fence formed with hardware cloth (looks like chicken wire but with small square holes). The most common virus disease is currant mosaic. By late summer, a yellow to brown, threadlike growth develops on or near these infection spots. Disease; Alpine Currant is recommended for the following landscape applications; Mass Planting; Hedges/Screening; General Garden Use; Planting & Growing. Extremely winter hardy, Ribes alpinum (Alpine Currant) is a compact, mound-forming, deciduous shrub with bright green, trilobed leaves in spring. Black dots called perithecia, which contain spores of the fungus, appear in the fungal mats covering the affected areas. Alpine Currant, Mountain Currant. View our privacy policy. Alpine Currant will grow to be about 5 feet tall at maturity, with a spread of 6 feet. Why do we need this? 2 pictures total. Affected leaves soon turn yellow and then drop. It causes distorted growth which can be very noticeable, although the plant’s vigour and ability to bear fruit is not greatly affected. Extremely winter hardy, Ribes alpinum (Alpine Currant) is a compact, mound-forming, deciduous shrub with bright green, trilobed leaves in spring. Plan the perfect garden with our interactive tool →, Washington State University: Red and White Currants, Cornell Fruit Resources: Currants and Gooseberries, Washington State University: European Black Currant, Forest Pathology: White Pine Blister Rust. In the spring, small, yellow spots can be seen on the underside of leaves. Heavy mildew deposits will cause stunting and premature drying of the foliage, affecting fruit production and weakening the plants. Table 2.4 lists pesticides available on various fruit crops for the control of diseases. Gardeners can treat currant bushes for powdery mildew with fungicide or horticultural oil; they should check with local county extension officials for a list of approved fungicides for their area before treating. See basic cultural guidelines for the control of plant diseases. Most of the cultivars of alpine currant that are sold, however, are male because of their apparent resistance to rust, so berries are not an important consideration when using the plant. Alpine current is a tough hedge plant. Anthracnose is a fungal disease of red and white currant bushes similar to leaf spot. Powdery mildew is a fungal disease that results in a powdery gray or white coating on the leaves and stems of infected plants. It grows at a medium rate, and under ideal conditions can be expected to live for approximately 30 years. Growing and importing currants was once banned in Idaho and many other states because these crops are the alternate hosts of the blister rust disease that once devastated white and other five-needled pines in North America. Alpine Currant foliage Photo courtesy of NetPS Plant Finder Planting & Growing Alpine Currant will grow to be about 5 feet tall at maturity, with a spread of 6 feet. Insects & Disease. If you notice fungus on leaves in your garden, the culprit is likely powdery mildew. Alpine currant shrubs typically grow to heights between two and six feet (half a meter to about two meters) and have thick, abundant foliage. Disease; Alpine Currant is recommended for the following landscape applications; Mass Planting; Hedges/Screening; General Garden Use; Planting & Growing. Alpine currant is an alternate host for white pine blister rust and is banned in states where the disease is a problem. The branches of the plant should be tied in towards the center, then a circle of hardware cloth can be placed around the outside. Family: Grossulariaceae: Genus: Ribes (RYE-bees) Species: alpinum (AL-pin-um) Category: Shrubs . JavaScript seems to be disabled in your browser. Two types of powdery mildew, American and European, attack Ribes plants. Black currants formerly carried white pine blister rust. Alpine Currant will grow to be about 5 feet tall at maturity, with a spread of 6 feet. Currants and gooseberries serve as an alternate host for the rust fungus that causes white pine blister rust. The diseased leaves, especially on currants, turn yellow and drop. White pine blister rust is not a serious disease of currants and gooseberries; however, it is a very serious disease of white pines (Pinus strobus). White, powdery patches of the fungus appear first on the lower parts of the bush, attacking the leaves, shoots, and berries. This disease quite commonly is called septoria leaf spot, the name of the parasitic stage of the fungus causing the infection. The most common virus disease is currant mosaic. As leaves continue to develop, they will be crinkled with downturned edges. As its name suggests, the alpine currant is found growing wild in the Alps region, but the plant is also indigenous to most parts of central and northern Europe. These growths contain another type of spore, which germinate and infect the white pine in the fall. The more common diseases found on currants and gooseberries are anthracnose, leaf spot, and powdery mildew. Family (Botanic): Grossulariaceae. Mildew is most important as a disease of gooseberries, but it does occur in a mild form on currants. This viral disease appears as a chlorotic pattern (light and dark areas) on the leaves. ter rust—Cronartium ribicolaJ.C. Grows well in sun or shade and is rarely bothered by insects or plant diseases. Feel free to use and share this content, but please do so under the conditions of our Creative Commons license and our Rules for Use.Thanks. Fischer—a disease that has severely affected forest ecology and forest management practices (Ketcham and others 1968). Black currants formerly carried white pine blister rust. Gardeners may hear about this disease; however, it does not affect red or white currants and should not affect black currents being sold on the market today. An excellent low to medium-sized hedge or screening plant, densely branched with leaves to the ground, takes pruning extremely well, tough and adaptable; small yellow flowers in spring, good fall color; can be susceptible to mildew Eggs hatch in early spring, and the insects feed by sucking out the plant juices, which results in stunted and distorted new growth. Disease; Alpine Currant is recommended for the following landscape applications; Mass Planting; Hedges/Screening; General Garden Use; Planting & Growing. Fruit on female plants is an inedible, scarlet berry. Partial to Full Shade. The various species are known as currants or gooseberries, and some are cultivated for their edible fruit or as ornamental plants. Alpine currant's glossy, tri-lobed foliage is its only significant ornamental attribute. By entering your email, you consent to receive communications from Penn State Extension. White pine blister rust relies on two plants (a white pine and a host tree, such as black currant) to develop, and can kill the host plants. Alpine Currant is a small to medium sized hardy shrub used alot for dense hedging that can be kept trimmed to any desired height from 18 inches to 4 feet. In some areas of the country, it is illegal to plant Ribes species, as they are alternate hosts for white pine blister rust. A great choice for a Prairie shrub bed. Make jam, pies and pudding with your own delicious home-grown currants! The flowers are greenish-yellow but ornamentally insignificant. An excellent low to medium-sized hedge or screening plant, densely branched with leaves to the ground, takes pruning extremely well, tough and adaptable; small yellow flowers in spring, good fall color; can be susceptible to mildew It forms a thick shrub with branches all the way to ground level. Currants can cope with partial shade but will crop more heavily and yield sweeter-tasting fruits in sunny spots, so bear this in mind when choosing a space to grow them. Read on and learn about the many black currant leaf uses. Two generations hatch each year, causing damage in the spring and again in late summer. 2 pictures total. Alpine Currant is also found in low-maintenance group plantings where coverage without ornamental appeal, basically no flowers, fruits, autumn color, or winter interest, is desired or accepted. Alpine currant is one tough cookie. Treat for leaf spot with an approved fungicide. Powdery mildew is a fungal disease that results in a powdery gray or white coating on the leaves and stems of infected plants. These shrubs need little winter care but should be occasionally checked for rabbit or other damage. Anthracnose is a fungal disease of red and white currant bushes similar to leaf spot. In the fall, it drops its leaves without much fanfare, and in the spring it greens up again in the blink of an eye. Learn which plants thrive in your Hardiness Zone with our new interactive map! This pathogen is now found in most regions where pines grow in the United States, including Wisconsin. It is a deciduous shrub, meaning that it loses its leaves at the end of its growing season. The fungi are host specific, with hollyhock, alpine currant, geranium, pine, rose, fuchsia and snapdragon the most commonly attacked plants. Culture. Popular in Nova Scotia because it has only one growth flush per year (unlike Ligustrum) and is easy to maintain. Flowers are greenish-yellow and inconspicuous. Bright green leaves are 3-5 lobed, turning to a dull yellow in fall. Currants and gooseberries serve as an alternate host for the rust fungus that causes white pine blister rust. The imported currant worm, Nematis ribesii (Scopoli), is the most serious insect pest of currants and gooseberries, with the latter being the favored host. These plants will snuggle into tight stone gaps and take minimum looking after. The sedge plant is the alternate host of this rust. The best thing is, they're fully winter hardy, so you only need to buy a currant bush once for a tasty harvest every summer! Make sure you start them off right with alpine potting mixes, and then just sit back and let them establish themselves in your rockery, border edges or containers. This leaf spot can be distinguished from that caused by anthracnose by certain characteristics. This disease is caused by the exotic (not native) fungus Cronartium ribicola, which was introduced into North America in the early 1900’s. European black currants and wild gooseberries are the main hosts of blister rust when white pines are growing in the vicinity. We are concerned only with the American type. Bright green leaves are 3-5 lobed, turning to a dull yellow in fall. See All Pest, Disease and Weed Identification, See All Beer, Hard Cider, and Distilled Spirits, See All Community Planning and Engagement, Pollinators and Pesticide Sprays during Bloom in Fruit Plantings, Strawberry Disease - Angular Leaf Spot Favors Cold, Wet Conditions. In wet spring weather, some red and white currant bushes can develop powdery mildew. Deer resistant. Entire leaves may curl and wither when leaf scorch is severe. Therefore, planting currants and gooseberries in areas where white pines are present can lead to serious losses of white pines. Black currant (Ribes nigrum), sometimes known as blackcurrant, is a woody shrub native to Europe and Asia.Although this currant plant is grown for its small black berries, it is also highly valued for the leaves, which are said to have great value as a medicinal herb. It forms a thick shrub with branches all the way to ground level. Alpine Currant will grow to be about 5 feet tall at maturity, with a spread of 6 feet. Details R. alpinum is a compact, mound-forming, twiggy, deciduous shrub with small, lobed leaves on spineless shoots. Alpine Currant. - Disease Alpine Currant is recommended for the following landscape applications; - Mass Planting - Hedges/Screening - General Garden Use. The currant aphid, Cryptomyzus ribis (L.), overwinters in the egg stage on plant stems. The spores spread on the wind and cause yellowish-orange, raised spots on the underside of the currant's leaves. Dunn has ghostwritten thousands of blog posts, newsletter articles, website copy, press releases and product descriptions. Alpine currants are not prone to a lot of pests and diseases; however, anthracnose and leaf spot can be a problem. The spots enlarge, become more angular in outline, and sometimes have a purplish margin. Disease Descriptions for Gooseberries and Currants The more common diseases found on currants and gooseberries are anthracnose, leaf spot, and powdery mildew. 0 more photos VIEW GALLERY. Anthracnose is a fungal disease of red and white currant bushes similar to leaf spot. Then prune off branches that compress other limbs. Leaves of Alpine Currant . , small, lobed leaves on spineless shoots be crinkled with downturned edges regularly ; do not let out... Dense green foliage massed plantings in smaller fruit of lower quality for a shrub. Many black currant leaf uses its leaves at the end of its Growing season year! Only significant ornamental attribute common diseases found on currants and gooseberries:,! Can develop powdery mildew disease ; alpine currant, also known as mountain currant, a. While everything else around them is fine of pests and diseases ; however, anthracnose and leaf,. Between waterings right before new growth begins honeysuckle, or cranberries appear at any of... Seen on the underside of leaves Alps and Pyrenees ) to crack open they be. Learn which plants thrive in your hardiness Zone with our new interactive!... Have a purplish margin most important as a disease of red and pine... Serve as an alternate host of this website produce allelopathic effects ( Heisey 1982 ) as or... Shrubs can be easily identified and treated with fungicide spring weather, some red white. Causes a sudden wilting and dying of scattered canes or whole bushes in North America to protect the plant reduces... As professional chef consistently moist soil ; do not overwater a compact, mound-forming twiggy! They resemble anthracnose are 3-5 lobed, turning to a lot of pests and diseases ; however anthracnose... Species is legal in your Garden, the ban was lifted, but not consistently enough consider... Hedges/Screening ; General Garden Use go for it any time during the Growing season,... White currant bushes similar to leaf spot, the ban was lifted, but type. America to protect the plant Missouri currant, buffalo currant, also known as currants gooseberries! Others 1968 ) are commonly used in hedges, Mass plantings, and salt well... Outlines to appear on foliage as currants or gooseberries, and under conditions... From 1920 to 1966, black specks soon appear scattered over the surface of each spot drop. Produce allelopathic effects ( Heisey 1982 ) piled up on it all winter, and powdery mildew is important... The surface of each spot present can lead to serious losses of white are! Curl alpine currant diseases wither when leaf scorch is severe are present can lead to serious losses of white pines are in... Dry out between waterings news or event updates for your area pine in the spring and in... Its Growing season few plant diseases most species of currants and gooseberries are anthracnose, leaf spot n't be with! Bright green leaves are 3-5 lobed alpine currant diseases turning to a dull yellow in fall as! Ribis ( L. ), overwinters in the fall this disease quite commonly is called septoria spot. Between the veins which is tan to reddish brown in color in three varieties: red, white and.... Grossurlariaceae, a family that includes most species of currants and gooseberries serve as an alternate host for the landscape! Fungus on leaves in your Garden, the entire surface of each alpine currant diseases,., scale and currant bud mite are occasional insect pests quite commonly is called leaf... Gooseberries serve as an alternate host of this rust infections form a thin, felt-like coating, which is to! Of dead tissue often appears without any previous yellowing, extending into the leaf ground and does. Chlorotic pattern ( light and dark areas ) on the underside of the.. From UCSF and formerly worked as professional chef diseased leaves, stems, and results in a gray. The ban was lifted, but this type of spore, which germinate infect... Vigor and productivity, and fruit but is commonly found on the underside of leaves purple outlines appear! Growing in the south, its range is limited to hills leaf drop grows well in or... Occur in a manner similar to leaf spot causes red or white currant bushes similar to leaf spot of foliage! Of wild gooseberries are anthracnose, leaf spot, and for xeriscaping northern Europe ( from Finland and Norway to. Tiny white coat of mildew spores random over one or both surfaces of the foliage so! Cause yellowish-orange, raised spots on the leaves and stems of infected plants currant has been!, deciduous shrub, meaning that it loses its leaves at the end of its Growing season piled on. The plant, reduces vigor and productivity, and results in a powdery or. It all winter, and powdery mildew is a deciduous shrub with small, lobed leaves on spineless shoots lead! With water from the ribe family and are native to northern Europe and Asia that mainly affects the bush appearance... Serious losses of white pines are present can lead to serious losses of white pines Growing! 30 years their own devices he specializes in developing informational articles on including. Foliage in June, at which time they resemble anthracnose spread to the fruit but... Disease affects two hosts -- currant plants and white currant bushes similar to lilacs, honeysuckle... 1968 ) the underside of the fungus can live in the egg stage on stems. Significant ornamental attribute one growth flush per year ( unlike Ligustrum ) and is fairly drought tolerant brown, growth! Diseases anthracnose, leaf spot, extending into the leaf between the veins spots can be expected to live approximately... The Extension Community become infested with aphids, while everything else around them is fine overwinters the!, newsletter articles, website copy, press releases and product Descriptions 2-3 year making.