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PlantFiles: Everglades Keys false buttonweed
Spermacoce terminalis

Family: Rubiaceae
Genus: Spermacoce (sperm-a-KOH-see) (Info)
Species: terminalis (term-in-AL-iss) (Info)

Tropicals and Tender Perennials

12-18 in. (30-45 cm)

6-9 in. (15-22 cm)

USDA Zone 10b: to 1.7 C (35 F)
USDA Zone 11: above 4.5 C (40 F)

Sun Exposure:
Full Sun


Bloom Color:
White/Near White

Bloom Time:
Blooms repeatedly


Other details:
Drought-tolerant; suitable for xeriscaping
This plant is resistant to deer

Soil pH requirements:
6.6 to 7.5 (neutral)
7.6 to 7.8 (mildly alkaline)

Patent Information:

Propagation Methods:
From seed; direct sow outdoors in fall

Seed Collecting:
Bag seedheads to capture ripening seed

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Gardeners' Notes:

Neutral olddude On Aug 7, 2011, olddude from Big Pine Key, FL (Zone 11) wrote:

Endemic to South Florida from the Monroe County Keys north to Martin, Hendry and Collier counties. In the Monroe County Keys, disjunct from Miami-Dade County to the pine rocklands of Big Pine Key. Very rare or perhaps extirpated in Broward County.

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