trefle.io · Taken Dec 3, 2021 by Jardin Des Cocagnous (cc-by-sa)
Asteraceae
Rough milk thistle
Sonchus asper
Also known as Prickly sow thistle, Milk thistle, Sonchus asper, Sonchus oleraceus var. asper
Native Plants · Wildflower · Self Seeding · Yellow Flowers · Medicinal · Thistle · Pollinator · Hardy · Drought Tolerant
A robust annual or short-lived perennial that self-seeds readily in disturbed soils. Produces yellow dandelion-like flowers that attract pollinators throughout the growing season. Thrives with minimal care in sunny locations.
Growing conditions
The details behind the basics
- Daily light
- 6 hours
- Watering
- Water moderately, prefers well-draining soil · Every 10-14 days
- Maintenance
- Low
- Soil
- sandy loam
- Soil pH
- 7–7.5
- Temperature
- -30°F to 95°F
- Cycle
- Perennial
- Propagation
- Seed
Hardiness
USDA 4a-10b
Form & growth
Mature size and habit
- Mature height
- 2 ft – 5 ft
- Spread
- 3 ft
- Spacing
- 18 in apart
- Growth rate
- Moderate
- Root depth
- Deep
- Flowers
- No
- Foliage
- Medium
Ecology & origin
Where it belongs and what it brings
- Native to
- Afghanistan, Alabama, Alaska, Albania, Alberta, Algeria, Altay, Amur, Angola, Antipodean Is., Arizona, Arkansas, Assam, Austria, Azores, Bahamas, Baleares, Baltic States, Bangladesh, Belarus
- Attracts
- Bees, Butterflies
Sources: trefle, usda
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