Teasel
Teasel is a distinctive biennial known for its tall, prickly stems and unique flower heads, which mature into conical seed heads. These seed heads provide winter interest and are a valuable food source for birds, particularly goldfinches. It self-seeds readily, often forming large clumps.
Sun: Full sun.
Soil: Well-drained to moist, adapts to a range of soil types.
Hardiness: H7 — below −20°C.
Flowering: Jul, Aug, Sep.