The plants are sensitive to frost and the leaves of many varieties will turn black and drop off the plant when temperatures drop below 40°F. To save seeds from basil, leave the flowers on the ...

It should thrive until the temperatures begin to drop in the fall. While your cinnamon basil plant will die off and need to be replanted, its speed in growth means that you won't have to go too ...

Always wait for the air and soil to warm before moving basil into the garden. Cold air and soil can stunt or damage the plants and increase the risk of downy mildew. You may even see blackened leaves ...