Photo by Melody

PlantFiles: Opuntia
Opuntia engelmannii var. subarmata

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Family: Cactaceae (kak-TAY-see-ee) (Info)
Genus: Opuntia (op-UN-shee-a) (Info)
Species: engelmannii var. subarmata

Synonym:Opuntia subarmata
Synonym:Opuntia x subarmata
Synonym:Opuntia lindheimeri var. subarmata

One member has or wants this plant for trade.

Category:
Cactus and Succulents

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

Spacing:
36-48 in. (90-120 cm)
4-6 ft. (1.2-1.8 m)

Hardiness:
USDA Zone 8a: to -12.2 C (10 F)
USDA Zone 8b: to -9.4 C (15 F)
USDA Zone 9a: to -6.6 C (20 F)
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

Danger:
Plant has spines or sharp edges; use extreme caution when handling
N/A

Bloom Color:
Bright Yellow

Bloom Time:
Late Spring/Early Summer
Mid Summer

Foliage:
Deciduous
Succulent

Other details:
Drought-tolerant; suitable for xeriscaping
Average Water Needs; Water regularly; do not overwater

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 woody stem cuttings
Allow cut surface to callous over before planting
From seed; direct sow after last frost

Seed Collecting:
Allow unblemished fruit to ripen; clean and dry seeds
Unblemished fruit must be significantly overripe before harvesting seed; clean and dry seeds
Properly cleaned, seed can be successfully stored

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By Xenomorf
Thumbnail #1 of Opuntia engelmannii var. subarmata by Xenomorf

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By Xenomorf
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Thumbnail #6 of Opuntia engelmannii var. subarmata by Xenomorf

By Xenomorf
Thumbnail #7 of Opuntia engelmannii var. subarmata by Xenomorf

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Profile:

1 positive
No neutrals
No negatives

Gardeners' Notes:

RatingAuthorContent
Positive palmbob On Oct 30, 2013, palmbob from Acton, CA (Zone 8b) wrote:

Though I am unschooled in understanding exactly how to speciate cacti, this one at least has a unique pad shape (scalloped along the edges) that makes it stand out amongst most of the Opuntias I see.

Regional...

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

Chandler Heights, Arizona
Phoenix, Arizona
Colton, California
La Presa, California
San Leandro, California
San Marino, California
Roswell, New Mexico
San Antonio, Texas



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