Cosmos – Choca Mocha – Chocolate Cosmos – Cosmos atrosanguineus

Heat Tolerant
Maintenance Notes
Deadheading will increase bloom.
Uses Notes
Use in the middle of the annual flower bed or cutting garden
Maintenance Category Easy
Water Category Average
Bloom Time
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.