Nov 23, 6:13 AM

PlantFiles: Clayton's Interrupted Fern
Osmunda claytoniana

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Family: Osmundaceae
Genus: Osmunda (os-MUN-duh) (Info)
Species: claytoniana (klay-ton-ee-AH-na) (Info)

Synonym:Osmundastrum claytonianum
Synonym:Plenasium claytonianum
Synonym:Struthiopteris claytoniana
Synonym:Osmunda interrupta

3 vendors have this plant for sale.

2 members have or want this plant for trade.

Category:
Perennials
Ferns

Height:
24-36 in. (60-90 cm)
36-48 in. (90-120 cm)

Spacing:
24-36 in. (60-90 cm)

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)

Sun Exposure:
Partial to Full Shade

Danger:
Unknown - Tell us

Bloom Color:
Inconspicuous/none

Bloom Time:
N/A

Foliage:
Grown for foliage

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:
5.6 to 6.0 (acidic)
6.1 to 6.5 (mildly acidic)
6.6 to 7.5 (neutral)
7.6 to 7.8 (mildly alkaline)

Patent Information:
Unknown - Tell us

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

By Todd_Boland

By Equilibrium

By mgarr

By mystic

Profile:

No positives
2 neutrals
No negatives

Gardeners' Notes:

Rating	Author	Comment
Neutral	Cretaceous	On Oct 24, 2007, Cretaceous from El Cerrito, CA (Zone 9b) wrote: Native to Canada (Manitoba, New Brunswick, Newfoundland, Nova Scotia, Ontario, Prince Edward Island, and Quebec), the eastern-half of the United States (Connecticut, Indiana, Maine, Massachusetts, Michigan, New Hampshire, New Jersey, New York, Ohio, Pennsylvania, Rhode Island, Vermont, West Virginia, Illinois, Iowa, Minnesota, Missouri, Wisconsin, Arkansas, Georgia, Kentucky, Maryland, North Carolina, Tennessee, and Virginia), Japan, Korea, Taiwan, and China. Listed as a threatened species in the state of Arkansas, and as exploitably vulnerable in the state of New York.
Neutral	smiln32	On Dec 7, 2004, smiln32 from Oklahoma City, OK (Zone 7a) wrote: Just an interesting note about this plant. Its roots are used as a growing medium for orchids and other epiphytes. It is a large deciduous fern native to the U.S.

Regional...

This plant has been said to grow in the following regions:

Pinconning, Michigan
Wilkes Barre, Pennsylvania
Blountville, Tennessee
Eau Claire, Wisconsin

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