My Step by Step Guide to Growing Purple Coneflower from Seed Fastest Growing Flowers for Early Bloom Choose varieties that bloom quickly and reliably. 1. Zinnias Bright colorful blooms appear within weeks outdoors. 2. Marigolds Fast sprouting flowers with natural pest resistance. Growing Blackberries in containers General Fruit Growing Growing Fruit Threadleaf Sundew Seeds: Drosera Filiformis Carnivorous Plant Seeds Etsy Coneflower Echinacea Seeds HGTV Yucca Cane Care Guide Lively Root