trefle.io · Taken Sep 10, 2019 by Jiří Vilím (cc-by-sa)
Asteraceae
Field sow thistle
Sonchus arvensis
Also known as Sonchus vulgaris subsp. arvensis, Hare's thistle, Annual sow thistle, Common sow thistle
Native Plants · Sow-Thistle · Yellow-Flowers · Aggressive-Spreader · Pollinator-Plant · Weedy · Hardy · Wildflower · Thistle
Field sow thistle is a robust perennial with deeply lobed leaves and bright yellow daisy-like flowers. It's extremely hardy and can spread aggressively, so plant with caution in garden settings. This plant is valuable for pollinators but may be considered weedy in formal landscapes.
Growing conditions
The details behind the basics
- Daily light
- 6 hours
- Watering
- Water moderately, tolerates some drought once established · Every 10-14 days
- Maintenance
- Low
- Soil
- loam
- Soil pH
- 7–7.5
- Temperature
- -30°F to 85°F
- Cycle
- Perennial
- Propagation
- Seed
Hardiness
USDA 4a-9b
Form & growth
Mature size and habit
- Mature height
- 12 in – 3 ft
- Spread
- 18 in
- Spacing
- 24 in apart
- Growth rate
- Moderate
- Root depth
- Deep
- Flowers
- No
- Foliage
- Medium
Ecology & origin
Where it belongs and what it brings
- Native to
- Alaska, Albania, Alberta, Altay, Amur, Assam, Austria, Baltic States, Belarus, Belgium, British Columbia, Bulgaria, Buryatiya, California, Central European Rus, Chatham Is., Chita, Colorado, Connecticut, Czechoslovakia
- Attracts
- Bees, Butterflies
Sources: trefle, usda
More Sonchus
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