Suitable for short or long growing season. Hand pollinated for purity. Each packet contains 7-15 seeds. Our seeds have become genetically adapted over 19 years and thrive in shorter, cooler growing seasons. They produce dense high quality gourds. We have successfully grown hard shell gourds from the seeds we sell in Wyoming which is part of zone 4 and is considered a short, cool, dry area. Zone 4 states include Colorado, Montana, Idaho, and Wyoming. Our seeds will also grow great in any other area and climate with at least 90-120 day growing season.