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Stokes's Aster
Scientific Name: Stokesia laevis (Hill) Greene
Synonym: Carthamus laevis
Family: Asteraceae
Stokes's Aster (Stokesia  laevis) Recommended Temperature Zone:
sunset: 2-9,12-24,26,28-43
USDA: 7-10

Frost Tolerance: Survive with protection in USDA zones 5 and 6

Heat Tolerance: In the hottest areas, it does better with some shade in early afternoon when the sun is hottest.

Sun Exposure: Full sun

Origin: Southeastern USA

Growth Habits: Evergreen to semi-evergreen herbaceous perennial, 16 to 24 inches tall and wide (45-60 cm); medium green basal leaves, sometimes toothed, 6 to 8 inches long (15-20 cm)

Watering Needs: Regular water, needs good drainage and acidic soils

Propagation: Division, stratified seeds, easy to transplant

    Selected varieties:
  • 'Alba': white flowerheads.
  • 'Blue Danube': lavender flowerheads, 4 to 5 inches in diameter (10-12 cm).
  • 'Blue Moon': deep blue flowerheads.
  • 'Bluestone': a dwarf cultivar, up to 10 inches tall (25 cm).
  • 'Klaus Jelitto': Large, pale blue flowers
  • 'Mary Gregory': creamy yellow flowerheads, 12 inches tall (30 cm).
  • 'Omega Skyrocket': large variety, 3 to 4 feet tall (0.9-1.2 m) with long-stemmed white to pale blue flowers, 4 inches in diameter (10 cm), less cold resistant than the other varieties.
  • 'Purple Parasols': deep violet purple flowers.
  • 'Rosea': rosy-pink flowerheads.
  • 'Silver Moon': silvery-white flowerheads, up to 4 inches in diameter (10 cm).
  • 'Wyoming': dark blue flowerheads, 4 inches in diameter (10 cm).

Cultural Practices:
When the conditions are favorable the Stokes' aster tends to spread and sometimes become invasive.

Blooming Habits:
Shaggy cornflower-like pink or blue flowerheads, 3 to 4 inches in diameter (7.5-10 cm), in late summer and autumn.

Fruiting Habits:

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Desert-Tropicals is dedicated to provide gardening advice, gardening ideas, and information about flower of all kind for landscape and collections. We try to check carefully the identification of the plants on the illustrations as well as the other information from the page, but occasionally errors do occur. if you notice anything that needs to be changed please contact us. Thanks.

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