Opuntia, Prickly Pear Cactus 'Mercur Rose'

Opuntiapolyacantha

Family
Cactaceae (kak-TAY-see-ee)
Genus
Opuntia (op-UN-shee-a)
Species
polyacantha (pol-lee-uh-KAN-tha)
Synonym
Sun Exposure
Full Sun
Sun to Partial Shade
Height
under 6 in. (15 cm)
6-12 in. (15-30 cm)
Spacing
15-18 in. (38-45 cm)
18-24 in. (45-60 cm)
Hardiness
USDA Zone 4a: to -34.4 °C (-30 °F)
USDA Zone 4b: to -31.6 °C (-25 °F)
USDA Zone 5a: to -28.8 °C (-20 °F)
USDA Zone 5b: to -26.1 °C (-15 °F)
USDA Zone 6a: to -23.3 °C (-10 °F)
USDA Zone 6b: to -20.5 °C (-5 °F)
USDA Zone 7a: to -17.7 °C (0 °F)
USDA Zone 7b: to -14.9 °C (5 °F)
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)
Danger
Plant has spines or sharp edges; use extreme caution when handling
Bloom Color
Rose/Mauve
Bloom Time
Mid Spring
Late Spring/Early Summer
Other Details
Category
Perennials
Cactus and Succulents
Water Requirements
Drought-tolerant; suitable for xeriscaping
Average Water Needs; Water regularly; do not overwater
Foliage Color
Where to Grow
Bloom Characteristics
Bloom Size
Other details
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 woody stem cuttings
Allow cut surface to callous over before planting
From seed; sow indoors before last frost
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
Regional

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Gardener's Notes:

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1
neutral
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Phoenix, AZ (Zone 9b) | August 2011 | neutral

Wonderfully rose colored blooms on this prickly pear cactus with numerous spines. Originating from Mercur, a mining town in the Oquirrh M...Read More

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