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PlantFiles: Mammillaria
Mammillaria theresae

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Family: Cactaceae (kak-TAY-see-ee) (Info)
Genus: Mammillaria (mam-mil-AR-ee-uh) (Info)
Species: theresae

Synonym:Mammillaria saboae var. theresae

4 members have or want this plant for trade.

Category:
Cactus and Succulents

Height:
under 6 in. (15 cm)

Spacing:
3-6 in. (7-15 cm)
6-9 in. (15-22 cm)

Hardiness:
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)

Sun Exposure:
Full Sun
Sun to Partial Shade
Light Shade

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

Bloom Color:
Magenta (Pink-Purple)
Fuchsia (Red-Purple)
Violet/Lavender
Purple

Bloom Time:
Mid Summer
Late Summer/Early Fall

Foliage:
Unknown - Tell us

Other details:
Drought-tolerant; suitable for xeriscaping
Average Water Needs; Water regularly; do not overwater
Suitable for growing in containers

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

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By Kelli
Thumbnail #1 of Mammillaria theresae by Kelli

By cactus_lover
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By franj
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By palmbob
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By franj
Thumbnail #7 of Mammillaria theresae by franj

There are a total of 15 photos.
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Profile:

1 positive
1 neutral
No negatives

Gardeners' Notes:

RatingAuthorContent
Positive palmbob On Aug 20, 2009, palmbob from Acton, CA (Zone 8b) wrote:

Despite this dinky species delicate appearance, this is one of the easier Mammillarias to grow, and it is quite winter hardy, dealing with rain and cold with little problems (at least down to 32F). It is user-friendly, too- no sharp spines. An excellent tiny pot cactus with incredible, bright pink-purple flowers in summer.

Neutral cactus_lover On Oct 30, 2005, cactus_lover from FSD
Pakistan (Zone 10b) wrote:

Stem tp 4 cm high by 2 cm,sparingly clustering.

Regional...

This plant has been said to grow in the following regions:

Green Valley, Arizona
Tucson, Arizona
Corona, California
Reseda, California
San Diego, California



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