Agastache – Rosie Posie
Magenta pink flowers. Deep purple calyxes. Dense, rounded clump of foliage.
Attracts: Butterflies, Hummingbirds
Heat and drought tolerant. Requires excellent drainage. Add gravel to soil if necessary.
Maintenance Category Easy
Water Category Average
Flower Form Border Plant, Container, Cut Flower, Dried Flower, Mass Planting
Soil Fertility Average Soil, Fertile Soil
Soil PH Category Alkaline Soil, Neutral Soil
pH C - pH 6.0 - 6.5
EC (2:1 Extraction Method) 0.6 - 0.9
Fertilization 100 - 150
Light Requirements High
Water Requirements Dry to Moderate, Moderate to Moist
Rooting Out Temperature 65 - 72° Fahrenheit
Growing On Temperature 55 - 65° Fahrenheit
Holding Temperature 50 - 60° Fahrenheit
Planting and Timing Information
Early Spring through Fall Finish. Standard PPP.
Finishing Times [weeks]
4-5" and Quart Pot : 6-8
6" and Gallon Pot : 8-10
7-9" Pot : 8-10
10-12" and Two Gallon Pot : 10-12
Pinching and Growth Regulators
Pinch at liner planting and as needed to shape.
Pest and Disease Management
General pest and disease practices as listed in notes.
-Color Spires are very free blooming and rebloom quickly after trimming.
Good air circulation and proper water management is critical. Use a well drained planting mix and allow soil to dry between waterings.