Photo by Melody

PlantFiles: Noble Aloe, Zimbabwe Aloe
Aloe excelsa

Family: Aloaceae
Genus: Aloe (AL-oh) (Info)
Species: excelsa (ek-SEL-suh) (Info)

One vendor has this plant for sale.

8 members have or want this plant for trade.

Cactus and Succulents

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)

24-36 in. (60-90 cm)
36-48 in. (90-120 cm)

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

Plant has spines or sharp edges; use extreme caution when handling

Bloom Color:
Scarlet (Dark Red)
Bright Yellow
White/Near White

Bloom Time:
Mid Winter

Grown for foliage

Other details:
Drought-tolerant; suitable for xeriscaping

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:

Propagation Methods:
From seed; winter sow in vented containers, coldframe or unheated greenhouse
From seed; germinate in vitro in gelatin, agar or other medium

Seed Collecting:
Unknown - Tell us

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There are a total of 36 photos.
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1 positive
No neutrals
No negatives

Gardeners' Notes:

Positive palmbob On Dec 10, 2003, palmbob from Acton, CA (Zone 8b) wrote:

This is one of the larger non-branching tree aloes... makes a nice, tall tree eventually with long, arching green leaves. Most adult plants have smooth leaves, but some maintain the leaf spines typical of immature plants. Some well treated plants can have quite large, healthy leaves, though. Color of flowers variable - usually reddish, but can be orange, yellow and even white. Flowers are typically flatted downward on racemes and at slight angles, making them distingishable from Aloe ferox flowers which intially look very similar (plant does, too). Aloe ferox racemes are usually much longer and perfectly erect, without a slight slant or without the markedly flattened flowers. Aloe excelsa flowers usually bloom in late winter and are always spectacular.

My smaller plant looks a lot like several other tree aloes, including Aloe marlothii and Aloe ferox.

From Zimbavwe Africa and not endangered.


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

Chandler, Arizona
Chandler Heights, Arizona
Phoenix, Arizona
Los Angeles, California
Martinez, California
Mission Viejo, California
Reseda, California
Spring Valley, California
Thousand Oaks, California
Vista, California

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