Mammillaria Species, Feather Cactus

Mammillariaplumosa

Family
Cactaceae (kak-TAY-see-ee)
Genus
Mammillaria (mam-mil-AR-ee-uh)
Species
plumosa (plum-OH-suh)
Synonym
Sun Exposure
Full Sun
Sun to Partial Shade
Height
under 6 in. (15 cm)
Spacing
6-9 in. (15-22 cm)
9-12 in. (22-30 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)
Danger
Plant has spines or sharp edges; use extreme caution when handling
Bloom Color
White/Near White
Bloom Time
Mid Spring
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
By dividing rhizomes, tubers, corms or bulbs (including offsets)
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:

Carefree, Arizona

Chandler, Arizona(2 reports)

Phoenix, Arizona

Tucson, Arizona

Pittsburg, California

Reseda, California

San Diego, California

Las Cruces, New Mexico

Cleveland, Ohio

South Jordan, Utah

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Gardener's Notes:

1
positive
1
neutral
0
negative
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C
(Zone 10b) | October 2005 | neutral

Forming large mounds,heads to 7 cm across.Flowers sparingly produced.

P
Acton, CA (Zone 8b) | March 2004 | positive

One of the best looking Mammillarias. RElatively cold hardy (down to 20F). Has soft looking spines and easy to handle, but still are so...Read More

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