Why is it better to plant the seedlings in April? [br] [originaltext]M: Kathy,

M: Kathy, when would be best to plant some seedlings? In March or April?
W: In this area, April is better since they are very sensitive to the temperature.
M: Thanks, I will consider doing that. I think I’ll pick up some spray for my insect problem.
W: I’ll go shopping with you after work.