Ferns , desired by nurseryman for their interesting leafage textures , get along from a large chemical group encompassing several genera , hundreds of species and hundreds more cultivars . One matter they all have in mutual is a unequaled method acting of reproducing by spore . In gain , many ferns feature distinctive , graciously drooping fronds , which add dash to any landscape or container . stout ferns tolerate cool temperatures , whereas tropical ferns can not .
Step 1
Whether your potted fern can survive outdoors in cold temperature calculate in tumid part on what type of fern you have and where you hold out . What constitutes " cooler " temperatures may vary depending on your particular mood . For deterrent example , a tropical fern might be able to stay outdoors class - round if you live in Florida and cold temperature in your clime intend the low sixty Fahrenheit . In oecumenical , however , potted fern that can live outdoors in dusty temperatures unremarkably light into the hardy ferns family .
Hardy All Around
Hardy fern tolerate wintertime temperature outdoors , concord to Clemson Cooperative Extension , but many can also survive high heat . For this reason , hardy fern are an excellent alternative for year - round outdoor containers in most climates . The insensate - hardy fern can tolerate winter temperature in U.S. Department of Agriculture plant life hardiness zone 3 , and many of them raise in the moderate rain forest of the Pacific Northwest , Canada and Alaska .
Step 2
Cool Choices
Hardy ferns can grow rather orotund — up to 6 feet or more — so choose a species and cultivar that will remain comfortably within the confines of its container . Containers should have drain holes in the nucleotide , and you call for to keep the grime continually moist . Most grow well in partial or full shade . The Northern maidenhair fern ( Adiantum pedatum ) is a low - growing , circulate fern that only grow to a maximal height of 3 feet , and although it does propagate in the wild , the pot will keep it contained . Northern maidenhair thrives in USDA zones 3 through 8 . If you desire to add colour to your container , try the Autumn fern ( Dryopteris erythrosora ) , which changes from red ink to bronze and finally greenish as the growing time of year progresses . The fall fern is hardy in USDA zones 5 through 9 .
Step 3
Keep Them Warm
Many ferns are native to subtropical and tropical climate . These can be grown in containers yr - round in strong climates only and can not survive cold temperature . Home gardener in cool climates either bring the container in for the winter , or grow the ferns indoors as houseplants . Indoor fern grow best in indirect light , continually damp but well - drain soil and moderate temperature . Although they like the warmth of the Dominicus , they do n’t wish the illumination : Most outdoor tropic and semitropic fern also prefer shady shape , along with rich , well - draining land .
Sunny Selections
Boston ferns ( Nephrolepis spp . ) may be some of the most popular ferns grown in warm climates and as houseplants . These plants jump to popularity during Victorian times and are often exhibit in hanging baskets . stocky species , such as the sword fern ( Nephrolepis exaltata ) , hardy in USDA zones 10 through 12 , are sound for pot . Staghorn ferns ( Platycerium spp . ) , with their unequalled fronds and outgrowth riding habit — they are epiphytic and can be jump on on barque or Sir Henry Joseph Wood — are another dependable choice . They can be grown in pots as long as you grown them in a planting medium made for epiphytic works and not in soil . The common staghorn fern ( Platycerium bifurcatum ) is hardy out of doors in USDA zones 9 through 12 .
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