The Complete Gardener's Guide ,

Materials Needed

  • gardening shears
  • fork
  • labels
  • gardening boxes
  • vermiculite
  • compost
  • wooden stakes (optional)
  • fungicide powder (optional)
  • sharp knife (optional)

Step 1: Watch for the First Fall Frost to Blacken Foliage

Trim stems back to 6 inches (15 cm) with pruners. Use a fork to lift the tubers, label them, and store upside down for two weeks.

Step 2: Watch for Tubers to Dry Out

Once they have, place them right side up in boxes of dry vermiculite, and keep them in a cool, dry, frost-free place over the winter. Check the stored tubers regularly; if any mildew or rot has developed, cut it out with a clean, sharp knife, and dust with fungicide powder.

Step 3: Plant Tubers in Pots of Fresh Compost Once Spring Arrives

Grow the tubers inside, then plant outside when the frosts are over. For tall dahlias, add a stake when planting.

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