Warning: Do not plant in cold wet soil or you may experience poor germination! Soil Requirements: Requires fertile soil in a well drained location in the garden.
Afternoon high temperatures are highest in Montgomery (92.4 degrees daily from June through August) and in Tuscaloosa. The average nighttime humidity is highest in southwest Alabama, which results in the highest average (high plus low temperature) for reporting stations in the state.
The climate of Alabama is humid subtropical. The heat of summer is tempered in the south by the winds from the Gulf of Mexico, and in the north by the elevation above the sea. The average annual temperature is highest in the southwest along the coast, and lowest in the northeast among the highlands.