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Astrophytum Species, Bishop's Cap, Bishop's Hat, Bishop's Miter Cactus

Astrophytummyriostigma var. quadricostatum

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Astrophytum myriostigma var. quadricostatum by franj
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Family
Cactaceae (kak-TAY-see-ee)
Info
Genus
Astrophytum (ass-troh-FY-tum)
Info
Synonym
Astrophytum myriostigma subsp. quadricostatus
Astrophytum myriostigma f. quadricostata
Astrophytum myriostigma f. quadricostatum
Sun Exposure
Full Sun
Sun to Partial Shade
Light Shade
Foliage

Unknown - Tell us

Height
under 6 in. (15 cm)
6-12 in. (15-30 cm)
12-18 in. (30-45 cm)
Spacing
9-12 in. (22-30 cm)
12-15 in. (30-38 cm)
Hardiness
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)
Danger
N/A
Bloom Color

Unknown - Tell us

Bloom Time
Late Spring/Early Summer
Mid Summer
Late Summer/Early Fall
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 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

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

Grenoble, Rhône-Alpes

Brookeland, Texas

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Kada
| March 2008 | positive

This just means it has 4 ribs. there are some other varieties of the 4 ribs, such as nufum, variegated etc.

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