no frost. We haven't had any rain in sometime even thr grass it yellowing some so I gave them 50oz maybe a little more of water and 15-30-15 three times in a weeks time. We had a few plenty hot days last week high 80s low 90s and the sun was ruff. The soil is a mixture of 50% clayish- sand. and 50% horse,cow,maybe a little chicken and saw dust thats about aleast 6 to 8 years old. I did see fire ants moving in to the mounts and treating for them.