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PlantFiles: Japanese Beech Fern
Thelypteris decursive-pinnata

Family: Thelypteridaceae
Genus: Thelypteris (the-LIP-ter-is) (Info)
Species: decursive-pinnata (deh-KUR-siv-ee pih-NAY-tuh) (Info)

3 vendors have this plant for sale.

3 members have or want this plant for trade.


18-24 in. (45-60 cm)

18-24 in. (45-60 cm)

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:
Light Shade

Unknown - Tell us

Bloom Color:

Bloom Time:

Grown for foliage

Other details:
Requires consistently moist soil; do not let dry out between waterings

Soil pH requirements:
Unknown - Tell us

Patent Information:
Unknown - Tell us

Propagation Methods:
From spores

Seed Collecting:
N/A: plant does not set seed, flowers are sterile, or plants will not come true from seed

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1 positive
1 neutral
No negatives

Gardeners' Notes:

Positive bottlegreen On Jun 29, 2009, bottlegreen from Saint Paul, MN wrote:

Over the last 6 or so years, I have tried a total of 14 of these plants from a variety of sources. Many have flourished during the summer but none of them has survived the winter in spite of being described as hardy to zone 4. I'm successfully growing some pretty fussy ferns, so I'm wondering if Japanese beech fern is not as hardy as claimed.

An update. Last year I bought 3 more JBF's, this time from Big Dipper. DOA. They replaced them, but the ferns haven't yet appeared this spring. Meanwhile, I got one from Venero, a local nursery (attempt # 24, I think--talk about stubborn! and foolish). And it's back! And spreading! Obviously the source is critical.

Well, I divided them and they did well during the summer and then didn't return. Now (June 2013) I've just purchased 3 more (good heavens, will I never learn?) from a big box store, no less: very vigorous-looking...but time will tell. I'll keep you posted, but I have a feeling no one out there cares about Japanese beech ferns...

Neutral Cretaceous On Jun 27, 2007, Cretaceous from El Sobrante, CA (Zone 9b) wrote:

Native to Japan, Korea, Taiwan, India, Thailand, and Vietnam.


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

North Little Rock, Arkansas
Chicago, Illinois
Ewing, Kentucky
Florence, South Carolina
Christiana, Tennessee

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