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Mammillaria fragilis


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Mammillaria fragilis

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Mammillaria fragilis is a small, low growing cactus which clusters freely and forms flat mounds. It is a very dainty and fragile plant. Mammillaria fragilis’ dark green body is covered in short, flat, white spines, giving the whole mound a whitish appearance. The flowers are lemon-yellow in color.

Mammillaria fragilis gets its name from the way the plant breaks apart easily to form new colonies wherever the pups fall. It forms small dainty white heads which detach. Be sure to plant all the pieces as they root very easily.

This is a nice container plant. Mammillaria fragilis can be grown outside in Southern California and forms spreading flat mounds which are appropriate for cactus, succulent, rock and xeriscape gardens.

Found in the collection of Ed and Betty Gay.

Horticultural Data

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Names and Synonyms: Mammillaria gracilis, Mammillaria gracilis subsp. fragilis
Common Names: Thimble cactus
Family: Cactacea
Origin: Hidalgo, Mexico
Size Label: 1 Gallon
Height: 6″
Width: 1-2′
USDA Zones: Zone 9a, Zone 9b, Zone 10a, Zone 11a
Cold Tolerance: 20 to 25°F, -6.7 to -3.9°C
Heat Tolerance: Extreme heat tolerance
Light Requirement: Full sun to light shade
Water needs: Drought tolerant but will tolerate irrigation and winter rains well in proper soils.
Maintenance: None
Uses: This is a nice container plant. It can be grown outside in Southern California and forms spreading flat mounds which are appropriate for cactus, succulent, rock and xeriscape gardens.
Propagation: Divide plants and replant pups. Seed – unblemished fruit should be significantly overripe before harvesting seed; clean and dry seeds. After proper cleaning, seed can be successfully stored.
Problems: Root and fungal rots in poor draining soils.
Research Links:

Shipping & Availability

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There is a minimum purchase of any 4 plants for online orders. All plants shipped bare root. Other sizes may be available for pick up from our growing grounds in Fallbrook, CA. For more information, give us a call at 760-990-4762.
Click here for complete Price List.