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PlantFiles: Pott's Prickly Pear
Opuntia macrorhiza var. pottsii

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

Synonym:Opuntia pottsii

One member has or wants this plant for trade.

Category:
Cactus and Succulents

Height:
under 6 in. (15 cm)

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

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

Bloom Color:
Red
Red-Orange

Bloom Time:
Mid Spring
Late Spring/Early 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

Click thumbnail
to view:

By beckstrommarc
Thumbnail #1 of Opuntia macrorhiza var. pottsii by beckstrommarc

Profile:

No positives
1 neutral
No negatives

Gardeners' Notes:

RatingAuthorContent
Neutral Xenomorf On Dec 2, 2004, Xenomorf from Valley of the Sun, AZ (Zone 9b) wrote:

Naturally found in the southwestern U.S.
The spines and pads are used medicinally.
The 'macrorhiza' variety has a less waxy, dull appearance than the 'pottsii' variety.
The pads on the 'macrorhiza' variety are larger up to 4 inches in length, while the pads of the 'pottsii' variety only reach 2.5 inches in length.
The 'macrorhiza' variety has only basically yellow flowers with red bases, and the 'pottsii' variety has the more reddish flowers.
The 'macrorhiza' variety is the most prevalent in the wild.

Regional...

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

Anniston, Alabama
Gadsden, Alabama
Livermore, California



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