good question. we had a lot of high temps last year. 100s+. not all summer but many days. i had numerous strains and they all seemed to do just as well as each other. LOTS OF WATER. i was watering twice a day sometimes. i was in pot so this had a little to do with it. in ground would probably require less watering if the ground got soaked.
Hashberry Seeds (Mandala Seeds) Hashberry develops tight and heavy head bud with dense buds located on firm side shoots. THC glands coat the bud leaves which will fill pollinator/bubble bags generously. Easy to manicure, and dried buds have great “bag appeal”. Refreshing fruity-floral scent during flowering period. After proper drying and maturation fragrance transforms into a delicious hashy-berry like aroma. Hashberry is very heat resistant and easy to grow.
You would think a sativa dominant strain would be good. I would think there would be something out there since there is mexican weed. FDD is probably right though, lots of watering, and I would think a really good rooting system, deep hole.