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PlantFiles: Mountain Cabbage Palm
Roystonea altissima

 
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Family: Arecaceae (ar-ek-AY-see-ee) (Info)
Genus: Roystonea (roy-STOH-nee-uh) (Info)
Species: altissima (al-TISS-ih-muh) (Info)

Category:
Trees
Palms

Height:
over 40 ft. (12 m)

Spacing:
10-12 ft. (3-3.6 m)
12-15 ft. (3.6-4.7 m)
15-20 ft. (4.7-6 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)

Sun Exposure:
Full Sun

Danger:
Unknown - Tell us

Bloom Color:
Unknown - Tell us

Bloom Time:
Unknown - Tell us

Foliage:
Evergreen

Other details:
Average Water Needs; Water regularly; do not overwater
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 seed; germinate in vitro in gelatin, agar or other medium

Seed Collecting:
Unknown - Tell us

Click thumbnail
to view:

By palmbob
Thumbnail #1 of Roystonea altissima by palmbob

By palmbob
Thumbnail #2 of Roystonea altissima by palmbob

By palmbob
Thumbnail #3 of Roystonea altissima by palmbob

Profile:

1 positive
No neutrals
No negatives

Gardeners' Notes:

RatingAuthorComment
Positive palmbob On Nov 16, 2004, palmbob from Tarzana, CA (Zone 9b) wrote:

Nice big thick-trunked central american tree, that, personally, I think looks exactly like most other Roystoneas. Relatively rare in cultivation, though. Here in southern CAlifornia it has done well in zones 10a and should be considered when a tree of that immense shape and size is needed- fast reliable grower.

Regional...

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

Westminster, California



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