Coreopsis – Big Bang™ Mercury Rising
Maintenance Category Easy
Water Category Average
Flower Form Container, Cut Flower, Landscape
pH B - pH 5.8 - 6.2
EC (2:1 Extraction Method) 0.6 - 0.9
Fertilization 150 - 200
Light Requirements High
Water Requirements Moderate to Moist
Rooting Out Temperature 65 - 72° Fahrenheit
Growing On Temperature 55 - 65° Fahrenheit
Holding Temperature 40 - 50° Fahrenheit
Planting and Timing Information
Early Spring through Fall Finish. Standard PPP.
Finishing Times [weeks]
4-5" and Quart Pot : 6-7
6" and Gallon Pot : 8-9
7-9" Pot : 9-10
10-12" and Two Gallon Pot :
Pinching and Growth Regulators
Pinch needed at liner planting, then as needed to shape.
Pest and Disease Management
General pest and disease practices as listed in notes.
Good air circulation and water management are important.
It is not uncommon for flower size to be smaller when the plants are grown under hot conditions, 85 F or higher.