Alfred Grille Cactus Dahlia Clump - Bright Yellow/Pink - #1 Size Root Clump Cactus Flower. Bright yellow center, surrounded by salmon pink petals. 6-8" flowers. Height: 30". Loves the sun. Blooms August until the frosts in the fall. Hardy in zones 8-10, elsewhere dig and store in the winter. Immediate Shipping. #1 size root clump