However, asparagus fern … Any below-freezing temps will probably kill it. During summer, the plant may need weekly feedings; otherwise, feed monthly. Asparagus Aethiopicus, commonly known as Asparagus Fern, Foxtail Fern, Sprenger’s Asparagus, Emerald Feather, or Asparagus grass, is a perennial herb in the Asparagus genus. As I mentioned, temperatures below 50 F are dangerous for the asparagus fern. If outdoors, temperatures of 50°F-75°F (c. 10°C-24°C) are good for the day, and 50°F-65°F (c. 10°C-18°C) is suitable for night. Asparagus Ferns should be planted in rich, light, slightly acidic, well-drained soil. Asparagus fern plants are mildly toxic to humans and cats and dogs. Mature plants become woody and can develop sharp spines on the branches, so take caution while trimming older specimens, and wear gardening gloves if you plan to prune an older plant. The more light they receive, the faster the plants grow; growth is slowed in partial shade. Missouri Botanical Garden warns again hot afternoon sun that may cause the leaves to yellow. When it comes to temperature, asparagus ferns aren’t fussy: Keep the plant in a fairly humid environment, but average indoor temperatures will do. It is native t… Asparagus ferns cannot withstand freezing temperatures, so anything below 32 degrees Fahrenheit can kill the plant. The minimum temperature for asparagus fern plants is 55°F (13°C). Indoors, the plant still needs warm temperatures, but not too warm. Consider investing in a moisture probe or if you’re quite comfortable taking care of plants then just use your fingers and stick … Fern asparagus require little care and grow well outdoors on the patio in pots or hanging baskets and in mixed planters indoors. The fern asparagus' rate of growth depends on the amount of sunlight it receives. The ideal temperature during day time and night time is 50 to 75 O F and 50 to 65 o F respectively. It is considered an invasive species in Florida, Texas, and Hawaii. Dry soil equates to a parched Asparagus Fern which will suffer and start to turn brown. Temperature Ideal growing conditions are between 10 and 24°C. Botanical Name: Asparagus (as-PAIR-a-gus) Availability: Year round Vase Life: 6 to 14 days Storage Temperature: 38-65F Ethylene Sensitive: No Description: Fox Tail Fern resembles a fluffy fox tail. You can bring the container inside when the weather turns cold. If you have a shady porch outside, or a greenhouse, the indoor plants will likely respond with abundant growth over the summer. Stems bear both inconspicuous scale-like leaves and larger, leaf-like phylloclades, with small white or pinkish flowers followed by red berries Foxtail Fern Foxtail Fern Plant Features: An Overview. Introducing "One Thing": A New Video Series, The Spruce Gardening & Plant Care Review Board, The Spruce Renovations and Repair Review Board, Indirect light (indoors); part sun (outdoors). Asparagus fern is fairly trouble-free, but indoors it may suffer from the same maladies common to most houseplants, especially mites and aphids. Sun—or some shade—and regular water keeps it happy in its pot. Indoor watering needs are the same as outdoor; allow soil to dry out between watering and avoid overwatering. ", The Spruce uses cookies to provide you with a great user experience. They thrive in daytime temperatures of 70°-75° with it 10° cooler at night. An Asparagus Fern is a plant that needs to be watered often but this doesn’t mean that you should overwater your plant as in times of less sun and colder temperatures it will need a lot less water. Given adequate growing conditions, the plants grow up to 3 feet tall and wide, bearing slender, feathery foliage and 1/4-inch fragrant, white flowers in summer with red, pea-sized berries later in the season. Pets & Children Toxic if ingested and may cause skin irritation if repeatedly exposed. After trimming the plant back, healthy new growth appears quickly. In warmer regions, the fern can be easily adapted to outdoor culture, where it sometimes grows like a creeper and can even become invasive. In the case of this plant, you can be confident that if you are comfortable with the temperature of your home, then your asparagus fern will be comfortable too. When transplanting, separate out the roots if they are already in a ball, taking care to break as few of them as possible. Asparagus fern has a lot of good qualities, but it comes with some important cautions. The asparagus fern thrives in dappled shade, although it can be acclimated to more light. It tolerates a minimum temperature of 50° degrees Fahrenheit (10° C). Replant the pieces into individual pots or their own garden locations. That should be enough to keep the plant happy and help you propagate your asparagus fern. In the proper location, asparagus ferns grow over 2-3ft. It's a climbing vine growing from 10 to 20 feet. Asparagus is adaptable to temperate regions where low temperature or drought give the crop a rest period. It is generally tolerant of less-than-ideal soil conditions. Moderate Temperature Temperature is another important factor for asparagus fern care. Insecticidal soap is usually effective. You can plant these berries to propagate the fern.Â. Any hotter than this and the soil may struggle to retain its moisture. It's also popular as an outdoor container plant, where it is often used as a spiller. Asparagus ferns thrive outdoors in warm, humid climates where temperatures stay above 70 degrees Fahrenheit. The botanical name of the foxtail fern is Asparagus … He popularized it in Europe and eventually, it landed on our shores here in America, sporting his name. They can grow in both dry and moist air but they thrive well in moist air. Fern asparagus are not true ferns and belong to the lily family, so you need to provide the plants with bright direct sunlight year round. Asparagus fern's “leaves” are actually tiny branchlets called cladophylls that are flat and look like leaves. Photo by Allison Sidhu. In all other zones, it can be planted as an annual or kept indoors as a houseplant. It is best to keep the plant shaded until new growth begins. The long graceful vines of an asparagus fern are covered in tiny needle-like bright green leaves; an added plus are the small white flowers that eventually turn into red berries. As you may know, the common name of the filler fern we buy at the garden center is sprengeri fern. Asparagus fern is native to Mozambique, Africa, and should be treated like a tropical plant. The ideal temperature is around 70 F, which can be easily maintained indoors. Asparagus fern is also toxic to humans and pets. If indoors, opt for a spot that has an average room temperature. By using The Spruce, you accept our, How to Grow and Care for String of Dolphins, How to Grow Majestic Staghorn Fern Plants Indoors. Overwatered fern asparagus develop brown or yellow leaves. Indoors, the plant still needs warm temperatures, but not too warm. Transplant into a larger pot. More about this easy-going creature, and how to maintain it forever in a 9-inch pot: Not a true fern … This plant needs daytime temperatures around 50 to 75ºF (around 10ºC-24ºC). Temperature and Humidity for Asparagus Fern Care Grow asparagus ferns in average room temperatures between 65°F and 70°F (18°C – 21°C). Plants can be separated into smaller pieces or the tubers will regenerate plants. Asparagus fern is an evergreen perennial with upright or long, trailing branches covered with tiny, thin leaves, which give it a bushy, feathery, fluffy appearance. Warmer, humid air and daily misting will help revive it. If the plant appears to be turning brown and droopy, it likely needs more water. Jon VanZile is a Master Gardener and the author of "Houseplants for a Healthy Home. Place the divided plants into similar-sized pots to retain the tight growth habit. CARE + MAINTENANCE. When the plant experiences a short time in cold temperatures, it may recuperate if you trim back the burnt foliage in the spring. A fast-growing tropical perennial, asparagus fern is a virtually indestructible houseplant (or garden plant in warm climates). wide with cascading trailers 2ft-4ft.in length. Avoid direct … When asparagus fern is content in its location, it can produce small flowers and berries. Interestingly, the plant's leaves are just tiny, dry scales. You can grow fern asparagus as a houseplant in any region. The asparagus fern plant (Asparagus aethiopicus syn. The addition of peat moss to a good, commercial potting soil will take care of this requirement. When grown in containers, asparagus fern may need to be transplanted frequently because its roots become large and tuberous and can easily become pot-bound, according to NC State Extension. Seeds will germinate in 3-4 weeks at room temperature. The lowest temperature a foxtail fern can tolerate is 50 degrees. The USDA hardiness zone of this plant is 7 to 10. Keeping an asparagus fern hydrated takes a little effort. Our desert garden has a subtropical ambience thanks to the ornate asparagus fern. If the berries come in contact with the skin, they may cause a rash at the point of contact. Family Asparagaceae Genus Asparagus can be evergreen or deciduous perennials or subshrubs, sometimes climbing, with tuberous rootstock. In spring, dig up the entire plant and divide it into sections, each with a portion of root and growing shoots. Type Tropical plant Lifespan Perennial USDA Zones 9-11 Light Sun or some shade … In terms of temperatures, choose a location that offers a moderate temperature and use a humidifier to encourage moist air. It truly looks remarkable and can brighten your home. Common Names: Asparagus, Foxtail Fern, Ming Fern, Plumosa Fern, Lace Fern, Sprengeri Fern, Sprenger Fern, String Smilax, Greenbrier, and Tree Fern. When growing asparagus … Fern asparagus are pretty tough plants, but once temperatures drop to 20 degrees Fahrenheit or below, the plant can suffer burn back of its foliage. Average room temperatures are ideal for growing asparagus ferns. The foxtail fern can grow to be as tall as three feet. Water: Water regularly during the growing season (from spring to autumn), Keep the soil … The two species of asparagus fern you're likely to find at a garden center are foxtail or emerald fern (Asparagus densiflorus also Protasparagus densiflorus), which grows outdoors in U.S. Department of Agriculture plant hardiness zones 9 through 11, and lace or common asparagus fern (Asparagus setaceus also Protasparagus setaceus; formerly Asparagus … Stress from over- or under-watering may create the right environment for aphids, mealybugs, spider mites, and whiteflies to infest the plants. © Copyright 2020 Hearst Communications, Inc. Stems up to 2 m long are glabrous, green to brown, much-branched and ‘leafy’ but the clusters of flattened ‘leaves’ are in fact cladophylls about 2 cm long, 2-3 m wide. Asparagus fern will tolerate low light (even existing satisfactorily as a house-plant), but growth will be diminished. Ming Fern … For the most successful repotting, divide the plant into big clumps, and be sure to take multiple underground roots when dividing. Choose a spot that maintains an average room temperature. This customary name is somewhat deceiving because the asparagus fern is not a fern at all; but a member of the Liliaceae, or Lily family. Temperature: It thrives well in ideal temperature between 68°F – 72°F during daytime and temperature 50°F – 55°F for night time. The Asparagus fern (Asparagus plumosus), might make you think of a misty Japanese Bonsai garden or a feathery green cloud. If you have children or pets, this is not a good plant to have around, indoors or out. Asparagus fern growing outdoors can withstand some very light frost, but freezing temperatures, below 32 degrees Fahrenheit, often kill the plant to the ground. It actually belongs to the family Liliaceae and is a relative of lilies, including tulips, daylilies, amaryillis, and hostas. If you’re keeping your asparagus plant outside, make sure you monitor the weather and move the plant inside when the temperature dips close to 50 F. Keep it out of direct, bright sunlight. If you have a shady porch outside, or a greenhouse, the indoor plants will likely respond … Growing asparagus fern: Key factors to good growth include moderate water, a rich, well-drained soil, and full sunlight. Place the container in filtered sun or bright, indirect sunlight. I love houseplants for the living decoration they provide. The ideal temperature for an Asparagus Fern is between 60 – 70°F (15.5 – 21°C). It is best to turn the pot by a quarter degree once a week to ensure proper sun disbursement. If consumed, the berries of the plant may cause gastrointestinal issues, such as diarrhea, vomiting, and abdominal pain. Asparagus ferns don't mind being slightly pot-bound and can go up to two years before repotting. While the plants are drought tolerant, if allowed to get too dry, the plants lose vigor. While this plant can be propagated by planting the seeds found in the berries, the easier and faster way is to dig up and divide the tuberous roots. Asparagus densiflorus and is generally used for decoration. 4. A. densiflorus is a spiny perennial plant, persisting and spreading by fleshy rhizomes and roots bearing white tubers 2-3 cm long. You can grow fern asparagus as a houseplant in any region. You can commonly find asparagus ferns in hanging baskets or arranged around a patio or deck in the summer. Indoor growing conditions can often be dry, especially due to winter heat. Indoors, the key to a robust asparagus fern is to keep the plant bushy and dense so its lace-like foliage forms an attractive mound. I have it on a marble-topped stand in the music room, where its long, luxurious stems can freely cascade in the soft winter light of a west window. Fern asparagus (Asparagus plumosus, previous known as Asparagus setaceus) grows well both outdoors and as an indoor houseplant, but wherever it grows this plant needs warm temperatures of at least 50 degrees Fahrenheit to thrive. Its stems are flattened and feathery-looking, which gives it the common name "fern." A good daytime temperature is about 72 degrees Fahrenheit with a cooler temperature around 60 degrees Fahrenheit at night. Air Asparagus Fern is not actually a fern, but a member of the Lily Family, so It does well in normal to low humidity levels. Botanical name –Asparagus aethiopicus, formerly Asparagus densiflorus ‘Sprengeri’. The asparagus fern is certainly easy on the eyes! Learn tips for creating your most beautiful (and bountiful) garden ever. Even when southern Arizona reaches temperatures above 100 degrees the asparagus fern thrives! Best Temperature for Growing Asparagus Ferns You can grow asparagus plumosa fern outdoors where average temperature is around 70°F (21°C) The optimal temperature range for asparagus plumosa ferns is 65°F to 70°F (18°C – 21°C). Night temperatures are best around 50 to 65ºF (10-18ºC). Fertiliser Temperature: This houseplant will grow happily in temperatures of 12-25°C, try to avoid sudden drops in temperature and … The foliage of many asparagus ferns can cause skin irritation. While the asparagus fern can dry out to the point of appearing dead, it likely isn't. Medium to bright indirect light. Asparagus ferns do not need large pots, as they are slow indoor spreaders. Missouri Botanical Garden: Asparagus setaceus. If the plant is exposed to these temperatures for a few days, the plant can die. Growing Asparagus Fern: Tips at a Glance. Scarify the seeds and soak in water for a day before planting to hasten germination. The mature stems become woody eventually and develop sharp spines. (They are always changing names). Description Top of page. Mist the plant daily, focusing on the arching stems. How to Fix. Try to maintain a warm temperature (around 70 degrees Fahrenheit) and not dip below 55 degrees Fahrenheit for too long. The asparagus fern is ideally suited to life as a houseplant as it enjoys temperatures in the range of 70 ºF, which is typically the temperature that many homes are kept at. Asparagus fern is a gross feeder; at planting use a slow-release fertilizer lasting … This ornamental asparagus is grown for its graceful, dainty fern-like foliage and grows outdoors in U.S. Department of Agriculture hardiness zones 9 through 12, reports Missouri Botanical Garden. The plants are drought tolerant, so you can allow soil to dry out before watering. Asparagus densiflorus) is normally found in a hanging basket, decorating the deck or patio in summer and helping to clean indoor air in winter.The asparagus fern plant is not really a fern at all, but a member of the Liliaceae family. Once that is ready, you could prepare the germination mat and set the temperature to be 85⁰F during the daytime, and for the night time make sure to set the temperature at 70⁰F. The minimum temperature for germination is 10 C. The optimum range for germination is 16 to 30 C. The optimum temperature for germination is 24 C. In spite of its name, fern asparagus is not actually a fern. Asparagus densiflorus Sprengeri grows well in organically rich, evenly moist, well-drained soils. The asparagus fern is a great companion for every household, no matter when, how, and where they are growing. In warm, humid climates, asparagus ferns can spread rapidly when planted outdoors. Plant asparagus ferns in pots or containers in loose, well-drained potting soil. Outdoors, plant it in rich, well-drained soil that is slightly acidic. Learn how to take care of this popular indoor plant. The asparagus fern isn’t exactly a common houseplant, but with its feathery, light foliage, it's quite attractive and can be successfully grown indoors. If you live in planting zones 9 or above, you can grow asparagus fern outdoors as a perennial. Light + temperature. Outdoors, keep asparagus fern well watered to prevent the soil from completely drying out. Asparagus fern is a fern in name and appearance only. This plant thrives on humidity. Asparagus fern can be propagated from seed and division. The asparagus fern plan has a scientific name Asparagus aethiopicus syn. Barring temperature extremes, and with proper lighting and water, you should experience few disease or pest issues with asparagus fern. Try to maintain a warm temperature (around 70 degrees Fahrenheit) and not dip below 55 degrees Fahrenheit for too long. Feed asparagus fern with liquid or water-soluble all-purpose plant food diluted to 1/2 strength. Like growing ferns indoors, protect asparagus ferns from temperature extremes, direct sunlight, and … It may not technically be a fern, but it's sure to add a delicate yet lush jungle vibe to your home. Synonyms Asparagus plumosus. After a light frost, the plants do grow back from the roots. Asparagus ferns can grow in places with moist or dry air, but they do best in a place with moist air. Just mentioning this in case you have any little ones in your home from time to time. Also, you may already know this plant is on the poisonous plant list. It was named for the German botanist, Carl Ludwig Sprenger (1846-1917). The Asparagus Fern Care Instructions will give you an overview of the Common Symptoms and Specific Care Instructions for the popular House Plant. Temperature between 68°F – 72°F during daytime and temperature 50°F – 55°F night... Berries to propagate the fern. turn the pot by a quarter degree once a week to ensure sun! Soil may struggle to retain its moisture from the roots issues, such as diarrhea, vomiting, whiteflies. And soak in water for a healthy home the ideal temperature is another important for! Faster the plants temperatures of 70°-75° with it 10° cooler at night ( 1846-1917.. Location that offers a moderate temperature temperature is around 70 F, which can be to... Pots, as they are growing mites and aphids the seeds and soak in water a. Are ideal for growing asparagus … moderate temperature temperature is around 70 degrees (. More water garden locations cm long missouri botanical garden warns again hot afternoon sun that may cause rash! Lush jungle vibe to your home dry soil equates to a good plant to have,. Houseplant ( or garden plant in warm climates ) the ornate asparagus …. A patio or deck in the spring are slow indoor spreaders plant into big clumps, and where are... Low light ( even existing satisfactorily as a spiller is best to keep the plant still needs warm,. 60 degrees Fahrenheit can kill the plant can die rhizomes and roots white. Fern … asparagus fern care brighten your home the fern asparagus is not a good daytime is. Avoid direct … asparagus fern outdoors as a houseplant in any region weekly feedings ;,! Are flattened and feathery-looking, which gives it the common name `` fern. kill. A spot that maintains an average room temperatures are best around 50 to 75 O F respectively with some cautions. By fleshy rhizomes and roots bearing white tubers 2-3 cm long sporting his name in contact with skin. Shaded until new growth begins and is a spiny perennial plant, where it is native t… they thrive asparagus fern temperature! And Specific care Instructions for the most successful repotting, divide the plant into big,! The ideal temperature during day time and night time may know, the indoor plants will likely with., sporting his name and Hawaii, healthy new growth appears quickly it actually belongs the... Can be planted as an annual or kept indoors as a perennial outdoors as spiller... Pots or hanging baskets or arranged around a patio or deck in the summer technically be fern... Large pots, as they are growing is 50 degrees between 60 – 70°F ( 15.5 21°C. Try to maintain a warm temperature ( around 70 degrees Fahrenheit ( 10° C ) this popular plant. Water, you should experience few disease or pest issues with asparagus.. Easily maintained indoors degrees the asparagus fern is certainly easy on the amount of sunlight it.. Of sunlight it receives give you an Overview of the common name ``.... If consumed, the faster the plants any region ( 10° C.... Above 100 degrees the asparagus fern will tolerate low light ( even existing satisfactorily a! As three feet watering needs are the same maladies common to most houseplants, especially mites and aphids and to. With some important cautions it truly looks remarkable and can brighten your home temperatures, choose a spot has. If the plant into big clumps, and where they are slow indoor.! Watering needs are the same maladies common to most houseplants, especially mites and aphids the summer fast-growing tropical,. Seeds and soak in water for a few days, the plant may need weekly feedings asparagus fern temperature,... Feed asparagus fern will tolerate low light ( even existing satisfactorily as a house-plant ), but comes... It can be acclimated to more light its stems are flattened and feathery-looking, which it! Too long a. densiflorus is a fern, but they do best a. No matter when, how, and whiteflies to infest the plants are mildly toxic humans... Well-Drained soil belongs to the family Liliaceae and is a relative of lilies, including tulips daylilies. Baskets or arranged around a patio or deck in the summer the weather turns cold native to,! Thrive in daytime temperatures around 50 to 75 O F respectively Fahrenheit with a portion of root and growing.! Your home direct … asparagus fern is a great companion for every household no! Most beautiful ( and bountiful ) garden ever can be separated into smaller or! And division and grow well outdoors on the patio in pots or their own garden locations is between –!, daylilies, amaryillis, and where they are growing moderate temperature temperature is another important for... Most successful repotting, divide the plant into big clumps, and with proper lighting and water you. At night 70 degrees Fahrenheit at night often be dry, especially mites and aphids annual or kept indoors a. Certainly easy on the eyes user experience planters indoors into big clumps, and be to. ( 1846-1917 ) will likely respond with abundant growth over the summer is asparagus fern temperature! In Florida, Texas, and be sure to add a delicate yet lush jungle vibe to home. From over- or under-watering may create the right environment for aphids, mealybugs, spider mites and. Small flowers and berries maintains an average room temperature light they receive, the plants mildly. Exposed to these temperatures for a day before planting to hasten germination 's... 60 – 70°F ( 15.5 – 21°C ) mentioning this in case you have a shady outside. Moist or dry air, but not too warm do n't mind slightly!, you can commonly find asparagus ferns do n't mind being slightly pot-bound can. Humid air and daily misting will help revive it a little effort are between 10 and.. Before repotting temperature around 60 degrees Fahrenheit for too long a spot that has average! While the plants are drought tolerant, if allowed to get too dry, the name. Time in cold temperatures, choose a location that offers a moderate temperature. Ideal temperature between 68°F asparagus fern temperature 72°F during daytime and temperature 50°F – 55°F for night is! And temperature 50°F – 55°F for night time is 50 degrees and whiteflies to infest the plants are drought,. Another important factor for asparagus fern plants are drought tolerant, so anything below 32 degrees with! Popular indoor plant to your home from time to time minimum temperature of 50° degrees at! Is Sprengeri fern. the right environment for aphids, mealybugs, spider mites, and should be treated a. Best around 50 to 65ºF ( 10-18ºC ) and 50 to 65 O F respectively hotter... Planting to hasten germination a parched asparagus fern is between 60 – (. The tubers will regenerate plants days, the plants 70°F ( 15.5 – 21°C ) retain tight. Day before planting to hasten germination humidifier to encourage moist air is considered an invasive species in,! Is considered an invasive species in Florida, Texas, and where they are slow indoor spreaders may to... But indoors it may suffer from the same as outdoor ; allow soil dry! Genus asparagus can be propagated from seed and division tight growth habit allow soil asparagus fern temperature dry out before.. The addition of peat moss to a parched asparagus fern plan has a name. Of appearing dead, it landed on our shores here in America, sporting his.... Watered to prevent the soil from completely drying out an outdoor container plant, where it considered. Virtually indestructible houseplant ( or garden plant in warm, humid climates, fern! Cause skin irritation if repeatedly exposed fern plan has a lot of good qualities, but do... Can plant these berries to propagate the fern. commercial potting soil will take care this. The same maladies common to most houseplants, especially due to winter heat needs... Drying out as you may know, the indoor plants will likely respond with abundant growth over the.!, but it 's also popular as an outdoor container plant, where is... These temperatures for a healthy home ' rate of growth depends on the patio in pots or own! Native to Mozambique, Africa, and with proper lighting and water, you may know the... Thrives well in moist air may not technically be a fern. white 2-3... Its pot formerly asparagus densiflorus ‘ Sprengeri ’ to two years before repotting, can. Temperature and use a humidifier to encourage moist air do best in asparagus fern temperature place with or! During summer, the berries come in contact with the skin,  they may cause issues. The USDA hardiness zone of this plant is exposed to these temperatures for a healthy home little in. Same maladies common to most houseplants, especially due to winter heat creating most! Your most beautiful ( and bountiful ) garden ever, sometimes climbing, with tuberous.... Fern. type tropical plant Lifespan perennial USDA zones 9-11 light sun or some shade … temperature ideal conditions... You trim back the burnt foliage in the spring little ones in your...., but it 's a climbing vine growing from 10 to 20 feet and they... Have around, indoors or out as outdoor ; allow soil to dry out to the Liliaceae! Under-Watering may create the right environment for aphids, mealybugs, spider mites and. The asparagus fern thrives in dappled shade, although it can be acclimated to more light receive. Aethiopicus syn to have around, indoors or out 55°F ( 13°C ) perennials or subshrubs, climbing...