Cosmos – Choca Mocha – Chocolate Cosmos – Cosmos atrosanguineus
Deadheading will increase bloom.
Use in the middle of the annual flower bed or cutting garden
Maintenance Category Easy
Water Category Average
Flower Form Container, Landscape
pH A - pH 5.5 - 5.8, B - pH 5.8 - 6.2
EC (2:1 Extraction Method) 0.6 - 0.9
Fertilization 150 - 200
Light Requirements High
Water Requirements Dry to Moderate, Moderate to Moist
Rooting Out Temperature 65 - 72° Fahrenheit
Growing On Temperature 60 - 65° Fahrenheit
Holding Temperature 60 - 65° Fahrenheit
Planting and Timing Information
Spring to Summer, standard PPP.
Finishing Times [weeks]
4-5" and Quart Pot : 4-6
6" and Gallon Pot :
7-9" Pot :
10-12" and Two Gallon Pot :
Pinching and Growth Regulators
Once well rooted height can be controlled using drought stress, negative DIF, and growth regulators. B-9 and Bonzi are both effective.
Pest and Disease Management
Aphids, Leaf minor, Thrips, and Whitefly can all be problematic. Also watch for Alternaria.