Sphaeropteris Species, Blonde Tree Fern

Sphaeropterishorrida

Genus
Sphaeropteris (sfay-ROP-teris)
Species
horrida (HOR-id-uh)
Synonym
Cyathea bourgaei
Cyathea princeps
Sun Exposure
Light Shade
Foliage
Grown for foliage
Evergreen
Height
6-8 ft. (1.8-2.4 m)
8-10 ft. (2.4-3 m)
10-12 ft. (3-3.6 m)
12-15 ft. (3.6-4.7 m)
15-20 ft. (4.7-6 m)
20-30 ft. (6-9 m)
30-40 ft. (9-12 m)
Spacing
8-10 ft. (2.4-3 m)
10-12 ft. (3-3.6 m)
Hardiness
USDA Zone 10a: to -1.1 °C (30 °F)
USDA Zone 10b: to 1.7 °C (35 °F)
USDA Zone 11: above 4.5 °C (40 °F)
Danger
N/A
Bloom Color
Inconspicuous/none
Bloom Time
N/A
Other Details
Category
Ferns
Water Requirements
Requires consistently moist soil; do not let dry out between waterings
Foliage Color
Where to Grow
Bloom Characteristics
Bloom Size
Other details
Soil pH requirements
5.6 to 6.0 (acidic)
6.1 to 6.5 (mildly acidic)
6.6 to 7.5 (neutral)
Patent Information
Non-patented
Propagation Methods
From spores
Seed Collecting
N/A: plant does not set seed, flowers are sterile, or plants will not come true from seed
Regional

This plant is said to grow outdoors in the following regions:

Honomu, Hawaii

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Gardener's Notes:

1
positive
2
neutrals
0
negative
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C
El Sobrante, CA (Zone 9b) | October 2007 | neutral

Cyathea princeps is native to southern Mexico, Guatemala, and Honduras.

Cyathea are listed on CITES Appendix II.

F
Honomu, HI (Zone 11) | July 2004 | positive

The tree ferns grow to quite tall heights in the wetter areas of the Big Island. The tallest I have seen are near the Thurston Tube (cav...Read More

P
Acton, CA (Zone 8b) | September 2003 | neutral

I personally can't grow this plant... it is far too fastidious for my climate and inability to keep it wet. It is one of the most beauti...Read More

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