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.