Growing dahlias from seed is another way to grow dahlias. I saved seed from my formal decorative and informal decorative dahlias last fall. I usually start my dahlia seed around 4 to Deer Resistant Wildflower Seed Mix Amazon.com : Vegetable Seeds for Planting 10 Variety Pack Heirloom Garden Seed Packs to Grow Tomato, Lettuce, Onion, Cucumber, Squash & Other Vegetables Non GMO Family Garden Kit Survival Garden 5 Best Succulents for Beginners Easiest Succulents to Grow Succulents Box 5 Best Plants For Hanging Baskets Lazy Gardener Online Gardening Store India