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Mountain Cactus, Plains Cactus

Pediocactussimpsonii

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Pediocactus simpsonii by Ally_UT
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Family
Cactaceae (kak-TAY-see-ee)
Info
Genus
Pediocactus (pee-dee-oh-KAK-tus)
Info
Species
simpsonii (simp-SON-ee-eye)
Info
Synonym
Pediocactus simpsonii var. simpsonii
Mammillaria simpsoni
Echinocactus simpsoni
Sun Exposure
Sun to Partial Shade
Light Shade
Foliage

Unknown - Tell us

Height
under 6 in. (15 cm)
Spacing
6-9 in. (15-22 cm)
9-12 in. (22-30 cm)
12-15 in. (30-38 cm)
15-18 in. (38-45 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)
Danger
Plant has spines or sharp edges; use extreme caution when handling
Bloom Color
Pink
Magenta (pink-purple)
Bright Yellow
White/Near White
Bloom Time
Mid Spring
Late Spring/Early Summer
Other Details
Category
Cactus and Succulents
Water Requirements
Drought-tolerant; suitable for xeriscaping
Average Water Needs; Water regularly; do not overwater
Foliage Color

Unknown - Tell us

Where to Grow
Can be grown as an annual
Bloom Characteristics

Unknown - Tell us

Bloom Size

Unknown - Tell us

Other details

Unknown - Tell us

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
Regional

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

Waterville, Washington

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6 members have or want this plant for trade

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