trefle.io · Taken Apr 15, 2019 by Pep Secem (cc-by-sa)
Asteraceae
Slender thistle
Carduus pycnocephalus
Also known as Shore thistle, Winged slender thistle, Carduus tenuiflorus, Carduus tenuiflorus var. pycnocephalus
Native Plants · Thistle · Wildflower · Pollinator · Drought Tolerant · Biennial · Self-Seeding · Open Meadow · Low Maintenance · Spiny · Naturalized
Slender thistle is a biennial or short-lived perennial that establishes readily in disturbed soils, roadsides, and open meadows with little care. It prefers full sun to part shade and is tolerant of poor, dry soils once established. While it attracts pollinators, be aware it can self-seed prolifically and may require management to prevent unwanted spread.
Growing conditions
The details behind the basics
- Daily light
- 6 hours
- Watering
- Water sparingly; soil can dry out between waterings · Every 10-14 days
- Maintenance
- Low
- Soil
- loam
- Soil pH
- 6.5–7
- Temperature
- -20°F to 90°F
- Cycle
- Perennial
- Propagation
- Seed, Division
Hardiness
USDA 3a-10b
Form & growth
Mature size and habit
- Mature height
- 12 in – 6 ft
- Spread
- 3 ft
- Spacing
- 12 in apart
- Growth rate
- Moderate
- Root depth
- Medium
- Flowers
- No
- Foliage
- Medium
Ecology & origin
Where it belongs and what it brings
- Native to
- Afghanistan, Alabama, Albania, Algeria, Arkansas, Austria, Baleares, Belarus, Belgium, Bulgaria, California, Canary Is., Chatham Is., Corse, Cyprus, Denmark, East Aegean Is., East European Russia, Egypt, Ethiopia
- Attracts
- Bees, Butterflies, Moths
Sources: trefle, usda
More Carduus
Related plants from the same genus
Buy this plant
No nurseries currently list it
No nursery lists Slender thistle right now.