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PlantFiles: Alexandra Palm, Alexander Palm, King Palm
Archontophoenix alexandrae

 
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Family: Arecaceae (ar-ek-AY-see-ee) (Info)
Genus: Archontophoenix (ar-kon-toh-FEE-niks) (Info)
Species: alexandrae

2 vendors have this plant for sale.

3 members have or want this plant for trade.

Category:
Palms

Height:
over 40 ft. (12 m)

Spacing:
12-15 in. (30-38 cm)
15-18 in. (38-45 cm)
18-24 in. (45-60 cm)
24-36 in. (60-90 cm)
36-48 in. (90-120 cm)

Hardiness:
USDA Zone 9b: to -3.8 °C (25 °F)
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
Sun to Partial Shade
Light Shade

Danger:
Unknown - Tell us

Bloom Color:
White/Near White

Bloom Time:
Blooms all year

Foliage:
Grown for foliage
Evergreen

Other details:
Average Water Needs; Water regularly; do not overwater

Soil pH requirements:
5.6 to 6.0 (acidic)
6.1 to 6.5 (mildly acidic)
6.6 to 7.5 (neutral)
7.6 to 7.8 (mildly alkaline)

Patent Information:
Unknown - Tell us

Propagation Methods:
From seed; germinate in vitro in gelatin, agar or other medium

Seed Collecting:
Unknown - Tell us

By bodeoh
Thumbnail #1 of Archontophoenix alexandrae by bodeoh

By kennedyh
Thumbnail #2 of Archontophoenix alexandrae by kennedyh

By kennedyh
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By palmbob
Thumbnail #4 of Archontophoenix alexandrae by palmbob

By palmbob
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By palmbob
Thumbnail #6 of Archontophoenix alexandrae by palmbob

By palmbob
Thumbnail #7 of Archontophoenix alexandrae by palmbob

There are a total of 18 photos.
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Profile:

2 positives
No neutrals
No negatives

Gardeners' Notes:

RatingAuthorComment
Positive koolkatken On May 25, 2005, koolkatken from Auckland, New Zealand wrote:

Have grown several here in Auckland, New Zealand. Seems to take a couple years to establish but once it is, takes off nicely. Handles wind better than Bangalo, though tatters the leaves a bit- still looks okay though. Trunk forms relatively quickly and is prettier than the Bangalo in my opinion. Looks good with 2 or 3 together.

Positive palmbob On Dec 9, 2003, palmbob from Tarzana, CA (Zone 9b) wrote:

Nice landscape palm, not very different from common King Palm (Archontophoenix cunninghamiana) but has more white under leaves, is a bit faster growing, slightly more tender, and has a more prominently ringed trunk. Also has a slightly more upright habit of the leaves (less droopy) and less likely to turn horizontally than A cunninghamiana. Also has white flowers as opposed to purple for common King. Trunk also maybe a bit more narrow. I have to agree with the comment below that this is a more elegant and attractive, and certainly more colorful palm than the king palm, once you start to notice the differences.

This palm is encountered by the many hundreds on the rainy side of the big island of Hawaii and makes the cliffsides wonderfully picturesque.

Regional...

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

Garden Grove, California
Oceanside, California
Rancho Cucamonga, California
Santa Barbara, California
Thousand Oaks, California
Cape Canaveral, Florida
Palm Beach, Florida
Port Charlotte, Florida
Port Saint Lucie, Florida
Pahoa, Hawaii
Pukalani, Hawaii
New Orleans, Louisiana
Markham, Texas
Matagorda, Texas



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