It will grow throughout South Carolina. The prothallium produces both male and female sexual organs. Cold-hardy ferns can be found in zones 6 and 7. There is also an excellent Tree Fern Internet Discussion Group on the web. Ferns may also be grown in raised beds, which provide good drainage. All ferns prefer well-drained soil high in organic matter. Ornamental asparagus frost tolerance is very low, and it cannot withstand harsh winter weather. Kimberly Queen fern is considered hardy only in Zones 9 and 10. Christmas Fern (Polystichum acrostichoides): Evergreen, upright, leathery fronds grow 24 to 36 inches tall. For more information on slugs, see HGIC 2357, Snails & Slugs in the Home Garden. Lady Fern (Athyrium filix-femina): This vigorous fern has upright, deciduous leaves 24 to 48 inches tall. To determine if a plant is sufficiently cold hardy, the USDA created numbered zones indicating winter low temperatures; the lower the zone number the colder the winter. Too much water during the winter months can cause root problems in asparagus ferns, so water only when the soil feels very dry on the surface. Most ferns require a moist, shady spot to grow — either in a wooded area or near the north side of a building. Rhizome division. Plant in sun to full shade, with constant moisture. Hardy ferns are tolerant of cold winter temperatures and can be grown outdoors year-round. Quite a few fern species are particularly good at thriving in cold climates. Zones: 7 to 10 Height: 6″ to 20″ The Southern Maidenhair Fern is a native plant that grows in moist, well-drained soil and is deer-resistant. Edge division. Prized for its brilliant, silver-blue foliage, use for large-scale screening or a serious windbreak. Colocasia “Pink China” is one of the hardiest varieties. In our zone 7b garden in Raleigh, NC we have lots of exotic plants for sale including: Bananas like Musa, Musella, and Ensete; Large-leaved perennials and tall perennials like Tetrapanax, Philodendron, Heliconia, Manihot, Hedychium, Canna, and Curcuma Will grow throughout South Carolina, except for along the coast. Others, like royal and ostrich ferns, can tower to six feet. If the coldest winter temperature expected in your area is -15°F (zone 5) then any plants rated zones 3-5 will survive the winter temperatures in your area. The purpose of these hardiness zones is to identify how well plants will withstand the cold winter temperatures of these zones. For the home gardener, division is the most practical method. Holly ferns grow up to 30 inches tall depending on species. Wikimedia Commons Jesmond Dene GNU Free Documentation License 1.2, Winter coloration of autumn fern fronds. When a spore germinates, it becomes a small leaf-like structure called a prothallium. How do you know when your ferns need dividing? Ornamental asparagus frost damage is rare in zones where it's grown outdoors as a perennial, but prolonged periods of unusually cold weather will cause damage or even death in unprotected plants. Clump division. Chris Evans, River to River CWMA, www.forestryimages.org, Glossy, evergreen holly fern fronds. Once nighttime temperatures top 60 degrees, slowly acclimate the potted asparagus fern to outdoor conditions by moving it to a sheltered location against a south-facing wall near its outdoor growing location. Holly Fern. They might survive outdoors with heavy mulch as protection, but to be safest, you should dig … Asparagus ferns need regular moisture and feeding during the growing season, so water deeply whenever the soil feels dry beneath the surface. get their common … It is deciduous and grows in part to full shade in the mountains and piedmont only. Broad Beech Fern (Phegopteris hexagonoptera): This upright growing, deciduous fern grows 12 to 24 inches tall. Provide supplemental water during dry periods. We offer a wonderful selection of cold-hardy trees, shrubs, perennials, and fruit trees that are well-suited for even the chilliest USDA planting zone. Many ferns are both cold and heat tolerant — these make the best garden plants for the South. 10 Log Gap Rd. Fronds and leaves form a distinctive horseshoe shape. The shield fern, also known as wood fern or buckler fern, depending on what part of the in where it is found. Prefers constant moisture but can stand some drought. It appreciates part to full shade, but can tolerate a good amount of sun. Rhizome division. Ferns may be propagated by division or from spores (see THE FERN LIFE CYCLE, below). It's typically grown only as a houseplant outside of U.S. Department of Agriculture plant hardiness zones 9 to 11. Cinnamon Fern (Osmunda cinnamomea): This upright, deciduous fern is native throughout South Carolina. Plant 18 inches apart, Zone 7–9, part shade to full shade Dennstaedtia punctilobata - Hayscented Fern A rapidly growing lime green deciduous native fern with a lacy texture, it spreads from rhizomes and is useful as a ground cover for part sun or shade. Grow in light to full shade anywhere in South Carolina. Grow in light to full shade. Do not fertilize fall transplants. Although it prefers constant moisture, lady fern can stand some drought. Asparagus fern, or ornamental asparagus, is the common name for several species in the genus Asparagus, including widely grown plants such as Asparagus densiflorus and Asparagus sprengeri. This species also prefers constant moisture, but can withstand some drought. Many need plenty of moisture during the growing season and should be given an inch or more of water per week if not supplied by rains. A few, however, are only cold-hardy to USDA zones 6 or 7. Remove infected plants and destroy them. Sensitive Fern (Onoclea sensibilis): This coarse-textured, deciduous fern grows 24 to 30 inches tall. Click on the thumbnails for larger photo and description. While most ferns average between one and three feet tall and wide, some, such as resurrection fern, grow only a few inches tall. Prefers constant moisture but can stand some drought. Rhizome division. A lightweight sheet draped over the asparagus fern also helps hold warmth around the plant and prevents serious damage. In most cases, it is safe to leave many hardy ferns outdoors all winter long. While most of the ferns discussed here prefer acidic soils with a pH of 4 to 7, both southern and northern maidenhairs as well as ebony spleenwort prefer a more alkaline soil with a pH of 7 to 8. Grow in light to full shade. Ferns may also be divided in very early spring, just as the new growth is emerging, if care is taken not to damage the delicate new leaves. Rhizome division. I wish you the best of success! After planting, spread a 1-inch-thick layer of lightweight mulch around the base of the plant to protect it while it puts down a strong, vigorous root system. Rhizome division involves ferns that grow from thick underground stems called rhizomes. However, some gardeners can overwinter it outdoors as far north as zone 7 if the plant is protected, according to the University of Wisconsin-Madison Master Gardener program. Ever wonder what the little brown dots are on the back of a fern leaf? There are ferns that will grow in every area of South Carolina. She has nearly 25 years of experience in the propagation and care of plants., Hosta Care After Browning of the Outside Edges of Leaves, How to Prepare Wood Ferns for a Hard Freeze, University of Wisconsin-Madison Master Gardener program, University of Wisconsin-Madison Master Gardener Program: Asparagus Fern, Marin Master Gardeners: How to Protect Plants from Frost, Toronto Master Gardeners: Overwintering Indoor Ferns, How to Mulch Asparagus in Cold Temperatures, How to Revive Your Boston Ferns After Left Outside in Cold Temperatures. Cinnamon, royal and southern shield ferns will grow in full sun if constant moisture is available. Prefers constant moisture, but will withstand some drought. For an elegant groundcover in a shady spot, try hay scented, ostrich, sensitive, broad beech or southern shield ferns. It grows 3 to 4 feet tall. Others, like royal and ostrich ferns, can tower to six feet. Excellent bedding fern under larger shrubs and accent trees. Have a soil test done to check the pH, and mix ground limestone or crushed oyster shells at recommended rates into the planting area if your soil is acidic. It grows 10 to 15 inches tall. Sasha Degnan is a freelance writer and educator specializing in gardening and horticulture. are not nearly as popular as they deserve to be. All recommendations are for South Carolina conditions and may not apply to other areas. Clump division. Ted Bodner, Southern Weed Science Society, www.forestryimages.org, Lady fern frond. Here’s a list of ferns for zone 3 gardens: Northern Maidenhair is hardy all the way from zone 2 to zone 8. Types of Ferns for Cold Climates. For as delicate as it appears, Romaine Lettuce is surprisingly cold hardy. Prefers constant moisture, but can stand some drought. This hardy fern is evergreen in mild winter climates. Spread a 2- to 3-inch-thick layer of lightweight, breathable organic mulch such as pine needles, straw or shredded bark around the base of your asparagus fern, taking care to leave a 1- to 2-inch gap between the mulch and the base of the fronds. Standing 18 to 24 inches tall, this perennial has striking blue flowers and is useful, for example, in red-white-and-blue color schemes. They reproduce via spores, rather than seeds or flowers. You may also divide if you simply want more plants. There are three different methods for dividing ferns. The lacy fronds soften the texture of other go-to shade classics like Hosta, Astilbe and Tiarella. Scaly Male Fern (Dryopteris affinis): This tall, vase shaped, semi-evergreen fern will grow 3 to 4 feet tall. Prefers constant moisture, although it can withstand some drought. On the coldest end of the scale, hardy ferns can survive temperatures down to minus 50 degrees Fahrenheit. You can grow it in cold climate … Prefers constant moisture but can stand some drought. Edge division. Toad lilies (Tricyrtis sp.) Check plants for pest problems before buying. Rhizome division. … Japanese Tassel Fern (Polystichum polyblepharum): The dark, evergreen, lacy leaves of this fern grow upright 24 to 36 inches tall. Zone: 3 – 7. Rb. Rhizome division. Ostrich Fern reaches up to 5 feet high and about 2 to 3 feet tall, and spreads over time to form large, glorious colonies. This large deciduous fern is vase shaped and will reach greatest height with ample water and rich soil. Prefers constant moisture but can stand some drought. Copyright © 2020 Clemson UniversityClemson Cooperative Extension | 103 Barre Hall Clemson, SC 29634864-986-4310 | Contact UsHGIC@clemson.edu, College of Agriculture, Forestry and Life Sciences, Centipedegrass Yearly Maintenance Program. Can be grown throughout South Carolina, except for the coast. It’s a fairly short plant that doesn’t have the typical fern-shaped fronds, but the delicate leaves are very pretty. Our final frost date is mid-April, so we still keep an eye on the weather. If this document didn’t answer your questions, please contact HGIC at hgic@clemson.edu or 1-888-656-9988. Ferns give a delicate and airy quality to a shady garden. For heavy clay soil, mix a 2-inch layer of composted pine bark or other organic material into the top 10 inches before planting to improve drainage. Keep reading to learn more about cold hardy fern plants, specifically garden ferns hardy to zone 3. Plant asparagus crowns in a sheltered, south-facing bed with organically rich, fast-draining soil. Propagate by edge division. Karen Russ, ©2008 HGIC, Clemson Extension, Dark, lacy leaves of Japanese tassel fern. If you’ve noticed that the center of the clump is hollow or dead and/or the leaves are smaller than usual, it’s probably time to divide. 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