How Much Light do Succulents Need? + [Infographic] The Succulent Eclectic Is October Too Late to Plant Grass Seed? Medusa Ornamental Pepper Seeds Planting Zinnias for a Cut Flower Garden Seed Sowing Tips 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