Mountain Cactus, Snowball Cactus

Pediocactussimpsonii var. nigrispinus

Family
Cactaceae (kak-TAY-see-ee)
Genus
Pediocactus (pee-dee-oh-KAK-tus)
Synonym
Echinocactus simpsonii var. nigrispinus
Pediocactus nigrispinus
Pediocactus simpsonii subsp. nigrispinus
Sun Exposure
Full Sun
Foliage
Grown for foliage
Height
under 6 in. (15 cm)
Spacing
9-12 in. (22-30 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
Pale Pink
Pink
Bloom Time
Late Spring/Early Summer
Other Details
Category
Cactus and Succulents
Water Requirements
Drought-tolerant; suitable for xeriscaping
Foliage Color
Where to Grow
Can be grown as an annual
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
Non-patented
Propagation Methods
From seed; sow indoors before last frost
Seed Collecting
Remove fleshy coating on seeds before storing
Regional

This plant is said to grow outdoors in the following regions:

Boise, Idaho

Meridian, Idaho

Twin Falls, Idaho

Waterville, Washington

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Gardener's Notes:

0
positive
0
neutral
0
negative
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