Q.Blackberry Plants
What is the best blackberry plant that will grow here in Houston, Texas Gulf Coast area?
Certified GKH Gardening Expert
Brazos blackberry (Rosaceae 'Brazos') is supposed to be the easiest blackberry to grow in the Houston area, but its seeds can get quite large. While it doesn't grow as elaborate as the Brazos variety, Rosborough blackberries (Rosaceae 'Rosborough') are another highly recommended type that is suitable for your area and has much smaller smaller seeds. Here is an article that you may find helpful: https://www.gardeningknowhow.com/edible/fruits/blackberries/growing-blackberry-bushes.htm