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Osmunda, Flowering Fern, Royal Fern 'Purpurascens'

Osmundaregalis

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Genus

Osmunda (os-MUN-duh)

Info

Species

regalis (re-GAY-liss)

Info

Synonym

Sun Exposure

Sun to Partial Shade

Foliage

Grown for foliage

Height

4-6 ft. (1.2-1.8 m)

Spacing

4-6 ft. (1.2-1.8 m)

Hardiness

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)

Danger

N/A

Bloom Color

Inconspicuous/none

Bloom Time

Mid Spring

Late Spring/Early Summer

Mid Summer

Other Details

Gardener's Notes:

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ChrisZ5

Tracy, IA (Zone 5a) | May 2010 | neutral

This plant grows is extremely slow growing. I have moved it once when it would not grow more than 1 frond a year. It is slightly larger...Read More

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