Auto-flowers are 8-week flowering varieties that are determinate maturity dates but can be planted almost every 2-4 weeks until August 20th. Regular full-term varieties can be planted 2-4 times during the regular season. Free energy from the sun is the most cost effective input into your operation, so planning for multiple crops during the growing season will optimize successive harvests. Due diligence must be taken when purchasing seeds or plants. Protect yourself and do your part in cleaning up the industry from fraudulent businesses, know your source before you purchase hemp seeds or plants.