Beginner's Guide to Growing Dahlias — Three Acre Farm
The soil should be warm and well drained. 3. Space tubers about 18" apart. Dig a hole about 4-6" deep and wide enough to accommodate the tuber. Place tuber in the hole with the "eyes" at the top (or lay it on it's side) and back-fill the hole gently, covering the tuber completely with a few inches of soil. 4.
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