Oxford Ragwort
Seneciosqualidus

Family: Asteraceae (ass-ter-AY-see-ee)
Genus: Senecio (sen-ek-ee-o )
Species: squalidus (SKWA-lee-dus)

Category
Biennials

Water Requirements

Sun Exposure
Full Sun
Sun to Partial Shade

Foliage

Foliage Color

Height
18-24 in. (45-60 cm)

Spacing

Hardiness
USDA Zone 9b: to -3.8 °C (25 °F)
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)

Where to Grow

Danger
All parts of plant are poisonous if ingested

Bloom Color
Bright Yellow

Bloom Characteristics

Bloom Size

Bloom Time
Mid Summer
Late Summer/Early Fall
Mid Fall

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)
7.9 to 8.5 (alkaline)

Patent Information

Propagation Methods
From seed; direct sow outdoors in fall

Seed Collecting