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PlantFiles: Common Groundsel
Senecio vulgaris

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Family: Asteraceae (ass-ter-AY-see-ee) (Info)
Genus: Senecio (sen-ek-ee-o ) (Info)
Species: vulgaris (vul-GAIR-iss) (Info)

Category:
Annuals

Height:
under 6 in. (15 cm)

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

Sun Exposure:
Full Sun
Sun to Partial Shade

Danger:
All parts of plant are poisonous if ingested

Bloom Color:
Pale Yellow
Bright Yellow
Chartreuse (Yellow-Green)

Bloom Time:
Mid Spring
Late Spring/Early Summer
Mid Summer
Late Summer/Early Fall

Foliage:
Smooth-Textured
Veined

Other details:
May be a noxious weed or invasive

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

Seed Collecting:
Allow seedheads to dry on plants; remove and collect seeds

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Profile:

No positives
No neutrals
1 negative

Gardeners' Notes:

RatingAuthorContent
Negative darylmitchell On Jul 1, 2010, darylmitchell from Saskatoon, SK (Zone 3a) wrote:

This is a common weed in western Canada. Fortunately it is shallow-rooted and easily pulled up.

Regional...

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

San Mateo, California
Aurora, Colorado
De Leon, Texas
San Antonio, Texas
Leesburg, Virginia



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