Roystonea Species, Jamaican Cabbage Tree, Jamaican Royal Palm, Mountain Cabbage Palm

Roystoneaaltissima

Family
Arecaceae (ar-ek-AY-see-ee)
Genus
Roystonea (roy-STOH-nee-uh)
Species
altissima (al-TISS-ih-muh)
Synonym
Palma altissima
Roystonea jamaicana
Sun Exposure
Full Sun
Foliage
Evergreen
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)
Bloom Color
Bloom Time
Other Details
Category
Trees
Palms
Water Requirements
Average Water Needs; Water regularly; do not overwater
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
Patent Information
Propagation Methods
From seed; germinate in vitro in gelatin, agar or other medium
Seed Collecting
Regional

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

Westminster, California

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Gardener's Notes:

1
positive
0
neutral
0
negative
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P
Acton, CA (Zone 8b) | November 2004 | positive

Nice big thick-trunked central american tree, that, personally, I think looks exactly like most other Roystoneas. Relatively rare in cul...Read More

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