2011 Perennial Plant of the Year. Long-lived, graceful, upright plant with clusters of cool blue flowers in May and June. The outstanding golden color of its narrow-leafed foliage in the fall expands its seasonal interest. North American native.
Production Location: Florida
Tray Size: 72 plants
Common Name: Blue Star
USDA Hardiness Zone: 4 - 9
Mature Height: 36 inches
Exposure: Full Sun to Part Shade
Recommended Finish Size: 1 gallon
Growing Media: Well-draining commercial media
Growing Temperature: 65-75 F (days) 55-65 F (nights)
Soil PH: 5.8-6.2
Soil EC: 1.8-2.2
Finish Time for Spring Sale: 6 - 8 weeks
Growing Info: Pinch after bloom.
Fertilizing: Constant liquid feed at medium levels of 150 - 200 ppm N
Moisture Level: Grow plants on the dry side.
Watch for Pest and Disease: Leaf spot, rusts
Vernalization Requirements: Required for flowering.
Supplemental Lighting: None required.
Growth Regulators: Generally, not needed.
Day Length: Day Neutral