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PlantFiles: Aloe
Aloe castellorum

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Family: Aloaceae
Genus: Aloe (AL-oh) (Info)
Species: castellorum (kas-tel-LOR-um) (Info)

One member has or wants this plant for trade.

Category:
Cactus and Succulents

Height:
12-18 in. (30-45 cm)

Spacing:
Unknown - Tell us

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:
Bright Yellow
Chartreuse (Yellow-Green)

Bloom Time:
Late Spring/Early Summer

Foliage:
Succulent

Other details:
Drought-tolerant; suitable for xeriscaping
Suitable for growing in containers

Soil pH requirements:
6.1 to 6.5 (mildly acidic)

Patent Information:
Non-patented

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

Seed Collecting:
Collect seedhead/pod when flowers fade; allow to dry
Allow pods to dry on plant; break open to collect seeds
Allow seedheads to dry on plants; remove and collect seeds
Properly cleaned, seed can be successfully stored

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to view:

By palmbob
Thumbnail #1 of Aloe castellorum by palmbob

By Porphyrostachys
Thumbnail #2 of Aloe castellorum by Porphyrostachys

By Porphyrostachys
Thumbnail #3 of Aloe castellorum by Porphyrostachys

By thistlesifter
Thumbnail #4 of Aloe castellorum by thistlesifter

By palmbob
Thumbnail #5 of Aloe castellorum by palmbob

By palmbob
Thumbnail #6 of Aloe castellorum by palmbob

Profile:

2 positives
1 neutral
No negatives

Gardeners' Notes:

RatingAuthorContent
Positive Porphyrostachys On Oct 4, 2006, Porphyrostachys from Portland, OR (Zone 8b) wrote:

This Aloe is only known from Saudi Arabia and is not at all found in Somalia. Almost like a more green, solitary version of A. vera and with shiny, waxy yellow flowers. First described in 2000 and discovered by Sheila Collenette.

Neutral palmbob On Aug 22, 2006, palmbob from Acton, CA (Zone 8b) wrote:

Yemen/ Saudi aloe from higher elevations. Seedlings are heavily spotted, but adults appear spot-free. In my climate (inland southern California) this is a pretty slow growing species. It will be many years I think before I see it flower. Several authors (2010) feel that Aloe hijzensis is the same thing and ranges overlap in Yemen. This aloe is closely related to Aloe vacillans.

Positive thistlesifter On Aug 21, 2006, thistlesifter from Vista, CA wrote:

Not much experience with the plant, as it is new in my collection. So far it is a pretty addition, though not large - young seedling.

Regional...

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

Carefree, Arizona
Bonsall, California
Vista, California



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