Seed Depth
The planting depth of seeds in your Garden Starter Tray will not necessarily be the same as recommended on seed packets from suppliers. Each Grow Sponge has a small, tapered hole near the center called a Dibble. The Dibble is adequate for most small and medium sized seeds. For larger seeds, the Dibble may need to be enlarged. We recommend using a Tray Layout or Seeding Log to keep track of which Dibbles need to be enlarged. Please refer to the table on page 7 for some guidelines on planting depths.
Changing Dibble Size
Enlarging Dibble size requires only tweezers.
•Open tweezers to desired width of Dibble opening.
•Insert open tweezers into Dibble to desired depth, then close tweezers.
•Pull up on closed tweezers to remove part of Grow Sponge.
•Repeat above steps until Dibble is desired depth.
•Be sure to make all Dibble adjustments before seeding the Tray.
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