Photo by Melody

PlantFiles: Goldback Fern
Pentagramma triangularis

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Family: Pteridaceae
Genus: Pentagramma (pen-ta-GRAM-a) (Info)
Species: triangularis (try-an-gew-LAIR-iss) (Info)

Synonym:Pityrogramma triangularis

2 members have or want this plant for trade.

Category:
Perennials
Ferns

Height:
under 6 in. (15 cm)
6-12 in. (15-30 cm)

Spacing:
Unknown - Tell us

Hardiness:
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)

Sun Exposure:
Partial to Full Shade

Danger:
N/A

Bloom Color:
Inconspicuous/none

Bloom Time:
N/A

Foliage:
Grown for foliage
Deciduous

Other details:
Unknown - Tell us

Soil pH requirements:
6.1 to 6.5 (mildly acidic)
6.6 to 7.5 (neutral)

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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to view:

By kennedyh
Thumbnail #1 of Pentagramma triangularis by kennedyh

By Kelli
Thumbnail #2 of Pentagramma triangularis by Kelli

By Cretaceous
Thumbnail #3 of Pentagramma triangularis by Cretaceous

By Cretaceous
Thumbnail #4 of Pentagramma triangularis by Cretaceous

By Cretaceous
Thumbnail #5 of Pentagramma triangularis by Cretaceous

By Cretaceous
Thumbnail #6 of Pentagramma triangularis by Cretaceous

By Cretaceous
Thumbnail #7 of Pentagramma triangularis by Cretaceous

There are a total of 10 photos.
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Profile:

2 positives
No neutrals
No negatives

Gardeners' Notes:

RatingAuthorContent
Positive Cretaceous On Mar 25, 2007, Cretaceous from El Sobrante, CA (Zone 9b) wrote:

This fern is native to British Columbia, Canada, and the western United States (Arizona, California, Idaho, Nevada, New Mexico, Oregon, Utah, and Washington).

It thrives here in zone 9b, but is hard to find in nurseries.

Positive MotherNature4 On Apr 29, 2006, MotherNature4 from Bartow, FL (Zone 9a) wrote:

I grew this fern as a house plant when I was a beginner. Kept it alive and growing with little knowedge, but it died after 1 year. It was really a beautiful fern, but I've never seen another one. I'd love to have one now.

Regional...

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

Alum Rock, California
El Cerrito, California
Poway, California
Bartow, Florida



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