Silver Thistle (Carlina Acaulis carline) 15 seeds (#1634)

Carlina acaulis (stemless carline thistle, dwarf carline thistle, silver thistle) is a perennial dicotyledonous flowering plant in the family Asteraceae, native to alpine regions of central and southern Europe.
The specific name acaulis (New Latin for "without a stem," from Latin caulis "stem" or "stalk") and common names are descriptive of the manner in which its flower head rests directly upon a basal leaf rosette.
The spiny, pinnatilobate leaves grow in a basal rosette approximately 20 cm in diameter. The flowers are produced in a large (up to 10 cm) flowerhead of silvery-white ray florets around a central disc. The disc florets are tubular and yellow-brown in colour.
To protect the pollen, the head closes in wet weather, a phenomenon folklore holds to presage forthcoming rain. The flowering time is between July and September.

Genus - Carlina
Species - Acaulis
Variety - carline
Common name - Silver Thistle
Pre-Treatment - Not-required, but recommended
Hardiness zones - 6 - 10
Height - 0,30 m
Spread - 0,30 m
Plant type - Perennial flower
Exposure - Full Sun
Growth rate - Medium
Soil PH - Acid, neutral, alkaline
Soil type - Normal, sandy
Water requirements - Average, drought tolerant
Landscape uses - Alpine & Rock, Containers, Deer Resistant
Bloom season - July - August
Leaf / Flower color - Green / Silver

Soak in water, let stand in water for 24 hours.
Stratification improves germination speed, but is not required. Cold stratify for 60 days in wet sterile sand or vermiculite at +4C. Stratification improves germination speed, but is not required. Sow inside from October to June 3-4 mm deep, tamp the soil.

Silver Thistle (Carlina Acaulis carline) 15 seeds (#1634)


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Tags: Seeds, Flower, Parennials, Flower-Herb-Grass, Average-Grower, Small, Zone 6, Zone 7, Zone 8, Zone 9, Zone 10-11, Average-Hardy, Warm-Climate-Zones, Sow-January, Sow-February, Sow-Marth, Sow-April, Sow-May, Sow-June, Sow-October, Sow-November, Sow-December