Eureka! Strike gold with this Rudbeckia. Finally, a black-eyed Susan that blooms in spring with warm weather. Blooms last through summer into fall. From Dupont Nursery.
Cell Size: 50 cell tray. Depth 2.31". Volume (max. dry) cubic inches: 4.64
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: 8 - 10 weeks
Growing Info: Pinching not required.
Fertilizing: Constant liquid feed at medium levels of 150 - 200 ppm N
Moisture Level: Grow plants evenly moist.
Watch for Pest and Disease: Aphids, whiteflies, thrips, Botrytis
Vernalization Requirements: Required for flowering.
Supplemental Lighting: Plants require 14+ hours photoperiod.
Growth Regulators: Generally, not needed.
Day Length: Long Day
Other: None
