From ItSaul Plants comes this new, yellow, threadleaf coreopsis with a beautiful ring of burgundy around the crown that bleeds down to the petal tips. Discovered by Patti Bauer of Bauers Flowers in Lucinda, Pennsylvania where ‘Route 66’ has come back for 3 years in a cold Zone 5.
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: 8 - 10 weeks
Growing Info: Pinch after transplant.
Fertilizing: Constant liquid feed at low levels of 100 - 150 ppm N
Moisture Level: Grow plants evenly moist.
Watch for Pest and Disease: Aphids, thrips, botrytis, powdery mildew
Vernalization Requirements: Beneficial, not necessary.
Supplemental Lighting: Plants require 14+ hours photoperiod.
Growth Regulators: Generally, not needed.
Day Length: Long Day
Other: None