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Height: 24-36 in. (60-90 cm) 36-48 in. (90-120 cm) 4-6 ft. (1.2-1.8 m)
Spacing: 4-6 ft. (1.2-1.8 m)
Hardiness: USDA Zone 3a: to -39.9 °C (-40 °F) USDA Zone 3b: to -37.2 °C (-35 °F) USDA Zone 4a: to -34.4 °C (-30 °F) USDA Zone 4b: to -31.6 °C (-25 °F) USDA Zone 5a: to -28.8 °C (-20 °F) USDA Zone 5b: to -26.1 °C (-15 °F) USDA Zone 6a: to -23.3 °C (-10 °F) USDA Zone 6b: to -20.5 °C (-5 °F) USDA Zone 7a: to -17.7 °C (0 °F) USDA Zone 7b: to -14.9 °C (5 °F) USDA Zone 8a: to -12.2 °C (10 °F) USDA Zone 8b: to -9.4 °C (15 °F) USDA Zone 9a: to -6.6 °C (20 °F) USDA Zone 9b: to -3.8 °C (25 °F) USDA Zone 10a: to -1.1 °C (30 °F) USDA Zone 10b: to 1.7 °C (35 °F)
Sun Exposure: Sun to Partial Shade
Danger: N/A
Bloom Color: Inconspicuous/none
Bloom Time: N/A
Foliage: Grown for foliage Deciduous
Other details: Average Water Needs; Water regularly; do not overwater This plant may be considered a protected species; check before digging or gathering seeds
Soil pH requirements: 6.1 to 6.5 (mildly acidic) 6.6 to 7.5 (neutral) 7.6 to 7.8 (mildly alkaline)
Patent Information: Non-patented
Propagation Methods: By dividing rhizomes, tubers, corms or bulbs (including offsets) From spores
Seed Collecting: N/A: plant does not set seed, flowers are sterile, or plants will not come true from seed
On Aug 13, 2007, docturf from Conway, SC (Zone 8b) wrote:
I, too, agree that the Royal Fern does much better under high moisture levels -- mine has been in my Koi pond for 2 full seasons (contained in a 12 inch pot partially sumerged). It is thriving and continues to maintain both shape and color. Docturf
On Mar 25, 2007, Cretaceous from El Sobrante, CA (Zone 9b) wrote:
This fern is native to the eastern-half of the USA (including Texas), Canada, Costa Rica, El Salvador, Guatemala, Honduras, Mexico, Argentina, Bolivia, Brazil, Colombia, Ecuador, Paraguay, Peru, the Bahamas, Bermuda, Cuba, Jamaica, Burundi, Cameroon, the Central African Republic, Madagascar, Malawi, Rwanda, Sierra Leone, Tanzania, Uganda, and Zambia.
It is considered an threatened species in the state of Iowa, and is listed as exploitably vulnerable in the state of New York.
On Aug 30, 2005, sanity101 from Dublin, OH (Zone 5b) wrote:
Does well with regular bed-watering, the atypical foliage provides an nice textural contrast in a fern garden. It tends to have a more flat and spreading habit than many ferns as well.
On Jun 28, 2004, MotherNature4 from Bartow, FL (Zone 9a) wrote:
This lovely fern is found in the Everglades, much warmer than Zone 9. My fern book tells me it is found throughout the peninsula of Florida. Don't know about the Keys.
It is the base of this fern (like compressed little black sticks) that is often cut into slabs and used to mount orchids.
On May 16, 2004, Toxicodendron from Piedmont, MO (Zone 6a) wrote:
I agree with henryr, this fern is an aquatic or bog plant. It is native, though somewhat rare, in our area of Southeast Missouri. When found in nature, it is always streamside. When I purchased mine, it was labeled as a water plant. It is not growing in standing water, but it is in a plastic-lined bed with deep rich soil that I keep constantly moist. The plant also requires acid soil and light to medium shade.
On May 15, 2004, henryr10 from Cincinnati, OH (Zone 6b) wrote:
I would actually take this one into the above average water category.
They will do well in average but around here they simply thrive on stream banks w/ their feet in the water.
On Nov 15, 2003, dogbane from New Orleans, LA (Zone 9a) wrote:
This is another native (Southeastern US) that performs remakably well in shady, moist gardens. In the fall, its fronds sometimes turn a beautiful yellow.
On Jun 6, 2002, lupinelover from Grove City, OH (Zone 6a) wrote:
Late to emerge in spring. Plant grows happily in standing water, also somewhat dry conditions. Good clump-former, with fronds continuing to appear through season.
Regional...
This plant has been said to grow in the following regions:
Auburn, Alabama Tuskegee, Alabama Bartow, Florida Cedar Key, Florida Gulf Breeze, Florida Hampton, Florida Rest Haven, Georgia Smyrna, Georgia Bannockburn, Illinois Chicago, Illinois Washington, Illinois Waukegan, Illinois Logansport, Indiana New Orleans, Louisiana Sullivan, Maine Green Haven, Maryland Bridgewater, Massachusetts Pinconning, Michigan St Paul, Minnesota (2 reports) Piedmont, Missouri Hatteras, North Carolina Westport, North Carolina Fruit Hill, Ohio Ashley, Pennsylvania Conway, South Carolina Arlington, Tennessee Deer Park, Texas Humble, Texas Northfield, Vermont Merrimac, Virginia Spokane, Washington Menasha, Wisconsin
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