Mammillaria Species, Mother of Hundreds
Mammillariacompressa

Synonym:Neomammillaria compressa

Synonym:Cactus compressa

Synonym:Mammillaria angularis f. compressa

Synonym:Mammillaria angularis var. compressa

Synonym:Mammillaria angularis

Category
Cactus and Succulents

Water Requirements
Drought-tolerant; suitable for xeriscaping
Average Water Needs; Water regularly; do not overwater

Sun Exposure
Sun to Partial Shade
Light Shade

Foliage

Foliage Color

Height
under 6 in. (15 cm)
6-12 in. (15-30 cm)

Spacing
9-12 in. (22-30 cm)
12-15 in. (30-38 cm)

Hardiness
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)
Not Applicable

Where to Grow

Danger
Plant has spines or sharp edges; use extreme caution when handling

Bloom Color
Rose/Mauve

Bloom Characteristics

Bloom Size

Bloom Time
Blooms repeatedly

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
By dividing rhizomes, tubers, corms or bulbs (including offsets)
From seed; germinate in vitro in gelatin, agar or other medium

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