I live in Dallas county Missouri I have been trying to grow strawberries for years but have no luck the may last as long as three years at the most but will eventually die off. They will usually start great but as time goes the die more and more. My last planting (50 Plants ozark beauty and Ogalala) started great even put a few berries on the next year nothing next year all gone.?. these last were planted in a strawberry pyramid. Other times in garden spot. whats up.