Deepest & Darkest Velvety Blooms. This Collection Contains Some Of The Richest & Most Sumptuous Dark Dahlia Flowers You Will Find. Incredibly Easy To Grow, They Flower Abundantly & With Their Mix Of Different Flower Shapes They Look Incredible In A Vase.dahlias Will Grow Almost In Any Location, In Any Soil But They Relish Good, Loamy, Well-drained Soil & Lots Of Sunshine. Plant The Tubers When There Is No Risk Of Frost & The Soil Has Warmed Up. When They Are One Foot Tall Start Staking Them. Lift After The Frost Has Touched The Plants & Store The Tubers In A Cool, Dark & Frost Free Place Over Winter.dahlias Will Grow Almost In Any Location, In Any Soil But They Relish Good, Loamy, Well-drained Soil & Lots Of Sunshine. Plant The Tubers When There Is No Risk Of Frost & The Soil Has Warmed Up. When They Are One Foot Tall Start Staking Them. Lift After The Frost Has Touched The Plants & Store The Tubers In A Cool, Dark & Frost Free Place Over Winter.