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PlantFiles: Martin's Thistle
Cirsium ochrocentrum var. martinii

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Family: Asteraceae (ass-ter-AY-see-ee) (Info)
Genus: Cirsium (SIR-see-um) (Info)
Species: ochrocentrum var. martinii

One member has or wants this plant for trade.

Category:
Perennials

Height:
18-24 in. (45-60 cm)
24-36 in. (60-90 cm)

Spacing:
15-18 in. (38-45 cm)
18-24 in. (45-60 cm)

Hardiness:
USDA Zone 7a: to -17.7 C (0 F)
USDA Zone 7b: to -14.9 C (5 F)
USDA Zone 8a: to -12.2 C (10 F)
USDA Zone 8b: to -9.4 C (15 F)
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)

Sun Exposure:
Full Sun

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

Bloom Color:
Pink

Bloom Time:
Mid Summer
Late Summer/Early Fall

Foliage:
Herbaceous

Other details:
May be a noxious weed or invasive
This plant is attractive to bees, butterflies and/or birds
Drought-tolerant; suitable for xeriscaping
Average Water Needs; Water regularly; do not overwater
Self-sows freely; deadhead if you do not want volunteer seedlings next season
This plant is resistant to deer

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; direct sow outdoors in fall
From seed; winter sow in vented containers, coldframe or unheated greenhouse
From seed; stratify if sowing indoors
From seed; sow indoors before last frost
From seed; direct sow after last frost

Seed Collecting:
Allow seedheads to dry on plants; remove and collect seeds
Properly cleaned, seed can be successfully stored

Click thumbnail
to view:

By Xenomorf
Thumbnail #1 of Cirsium ochrocentrum var. martinii by Xenomorf

By Xenomorf
Thumbnail #2 of Cirsium ochrocentrum var. martinii by Xenomorf

By Xenomorf
Thumbnail #3 of Cirsium ochrocentrum var. martinii by Xenomorf

By Xenomorf
Thumbnail #4 of Cirsium ochrocentrum var. martinii by Xenomorf

No details have been posted.



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