Like Amsonia hubrichtii in general appearance, but with improved form, reddish stems, superior rich "butterscotch" fall color, and great disease resistance. Steel-blue flowers May-June. Selected by John Wachter, Elite Growers.
Product Sheet – Amsonia xButterscotch
Production Location: Florida
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
Patent/Royalty: .08 per plant included in tray price
Cell Size: 72 cell tray. 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
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
