Echinops bannaticus Blue GlowGlobe thistle
Family:Asteraceae
属:蓝刺头属
common name:Globe thistle
introduce:Plant Type: Herbaceous perennial
Family: Asteraceae
Missouri Native: No
Native Range: None
Height: 2 to 4 feet
Spread: 1 to 2 feet
Bloom Time: July - August
Bloom Color: Steel blue
Sun: Full sun (only)
Water: Medium moisture
Maintenance: Low
General Culture:
Easily grown in average, medium wet, 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. 態lue Glow?may be grown from seed and may self-seed in the garden if not deadheaded.
Noteworthy Characteristics:
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 14?long) are rough green above and downy-white below. Globular, thistle-like, gray-blue flower heads (to 2?diameter) bloom at the stem tops in summer. 態lue Glow?improves on the species by producing intense steel blue flowerheads.
Problems:
No serious insect or disease problems. Taller stems may need staking, particularly if grown in rich, fertile soils.
Uses:
Sunny borders, cottage gardens. Excellent accent.
