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Slenderflower Thistle, Winged Plumeless Thistle

Carduustenuiflorus

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Carduus tenuiflorus by kennedyh
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Family
Asteraceae (ass-ter-AY-see-ee)
Info
Genus
Carduus (KARD-yoo-us)
Info
Species
tenuiflorus (ten-yoo-ee-FLOR-uh)
Info
Synonym
Sun Exposure
Full Sun
Foliage
Herbaceous
Height
12-18 in. (30-45 cm)
18-24 in. (45-60 cm)
24-36 in. (60-90 cm)
Spacing

Unknown - Tell us

Hardiness
Not Applicable
Danger
Plant has spines or sharp edges; use extreme caution when handling
Bloom Color
Magenta (pink-purple)
Bloom Time
Mid Spring
Late Spring/Early Summer
Other Details
Category
Annuals
Biennials
Water Requirements
Drought-tolerant; suitable for xeriscaping
Average Water Needs; Water regularly; do not overwater
Foliage Color

Unknown - Tell us

Where to Grow

Unknown - Tell us

Bloom Characteristics
This plant is attractive to bees, butterflies and/or birds
Bloom Size

Unknown - Tell us

Other details
May be a noxious weed or invasive
Soil pH requirements
5.1 to 5.5 (strongly acidic)
5.6 to 6.0 (acidic)
6.1 to 6.5 (mildly acidic)
6.6 to 7.5 (neutral)
7.6 to 7.8 (mildly alkaline)
7.9 to 8.5 (alkaline)
Patent Information

Unknown - Tell us

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
Self-sows freely; deadhead if you do not want volunteer seedlings next season
Seed Collecting
Properly cleaned, seed can be successfully stored
N/A: plant does not set seed, flowers are sterile, or plants will not come true from seed
Regional
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