Commercial Floriculture

Growth and Flowering

Temperature
Dahlia needs 10-21^oC night temperature during winter.
During summer it requires 15.6-26.7^oC night temperature.
Flower bud accelerated as temperature increases.
The best quality blooms can be obtained at 25^oC day, 16^oC night.
At 24^oC day and 12^oC night temperature delayed flowering.
The quality will affect at 28-29^oC days, 17-20^oC night.