- Type:
- Herbaceous perennial
- USDA hardiness zones:
- 3-8
Echinops bannaticus is an erect, clump-forming perennial globe thistle that typically grows to 4 (less frequently to 6) tall on stiff, sometimes branching stems. Spiny, deeply-dissected leaves (to 14î long) are rough green above and downy-white below. Globular, thistle-like, gray-blue flower heads (to 2î diameter) bloom at the stem tops in summer. ëBlue Glow improves on the species by producing intense steel blue flowerheads.
- Full sun
- Medium
- Low
Easily grown in average, medium, well-drained soils in full sun. Tolerates wide range of soils, including poor dryish ones, as long as well-drained. Avoid rich soils. This is a taprooted plant that is difficult to divide or transplant. ëBlue Glowà may be grown from seed and may self-seed in the garden if not deadheaded.
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