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.
Tray Size: 72 plants Common Name: Blue Star USDA Hardiness Zone: 4 - 9 Mature Height: 36 inches Color: Blue Exposure: Full Sun to Part Shade
Plugs per Tray 72. Depth 2.35". Volume (max. dry) cubic inches: 2.23 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 Other: None