Photo by Melody

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

Synonym:Archontophoenix alexandrae var. beatriceae
Synonym:Archontophoenix alexandrae var. schizanthera
Synonym:Archontophoenix beatriceae

2 vendors have this plant for sale.

6 members have or want this plant for trade.

Category:
Tropicals and Tender Perennials
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:
May be a noxious weed or invasive
Requires consistently moist soil; do not let dry out between waterings
Self-sows freely; deadhead if you do not want volunteer seedlings next season

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

Patent Information:
Non-patented

Propagation Methods:
From seed; direct sow outdoors in fall
Direct sow as soon as the ground can be worked
From seed; direct sow after last frost
From seed; germinate in vitro in gelatin, agar or other medium

Seed Collecting:
Remove fleshy coating on seeds before storing
Allow unblemished fruit to ripen; clean and dry seeds
Seed does not store well; sow as soon as possible

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There are a total of 42 photos.
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Profile:

6 positives
No neutrals
No negatives

Gardeners' Notes:

RatingAuthorContent
Positive JasonHicks On Mar 19, 2013, JasonHicks from Cocoa Beach, FL wrote:

This tree is beautiful and quick growing here in Cocoa Beach. Like to stay wet. Water this sucker and feed him and he will grow fast. There are some giant ones in Rockledge Gardens.

Positive Palm1978 On Jul 24, 2012, Palm1978 from Bonita Springs, FL wrote:

This palm is not particularly common in Southwest Florida though it does quite well here. This 'true' Alexander does not have many pest problems and does just fine through the cold snaps that occasionally occur during the winter. At retail, this tree is not often available and retailers often label the P.Elegans or Solitaire palm "Alexander" which causes some confusion.

Positive ginger749 On Dec 20, 2009, ginger749 wrote:

Nice Palm.

Positive HK22 On Nov 13, 2009, HK22 from Sydney
Australia wrote:

great palm. a bit common though.

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 Acton, CA (Zone 8b) 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 above 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
San Pedro, California
Santa Barbara, California
Thousand Oaks, California
Big Pine Key, Florida
Bonita Springs, Florida
Cape Canaveral, Florida
Cocoa Beach, Florida
Naples, Florida
Palm Bay, Florida
Palm Beach, Florida
Port Charlotte, Florida
Port Saint Lucie, Florida
Saint Petersburg, Florida
Ainaloa, Hawaii
Pukalani, Hawaii
New Orleans, Louisiana
Markham, Texas
Matagorda, Texas



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