This seeding cover allows you to distribute seeds into a 288 tray and have them automatically centered. You avoid dropping seeds into air holes and can distribute seeds much faster.
This system replaces broadcasting seeding into open flats
This is perfect for replacing the labor and time intensive "pricking out" method for germinating seeds before potting on.
The Winstrip Broadcast and Pop Method
1) Broadcast the Seed 2) Pop the Starts 3) Pot-on to a bigger container
1) Broadcast Seed
A quick and easy method to start thousands of transplants.
🌱 Fill a Winstrip 288 tray, dibble it and cover with the Broadcast Seeding Cover
🌱🌱Broadcast your seed just like you would into an open tray. The seeding cover will center your seeds in the cells.
🌱🌱🌱Once you have first true leaves, pop out the starts with the Winstrip popping frame
🌱🌱🌱🌱 Pot-on the seedlings to a bigger tray or Winstrip xl 3” pots, either singular or groups.
2) Pop the Starts
Hard to Germinate Seeds
Broadcast by hand, essentially scattering seeds across the tray. Seed cover will center those seeds.

Perfect for the Broadcast and Pop Method
Flowers:
- Hard to Germinate flower seeds (such as bells of ireland, columbine, erigeron )
- Seeds that take a long time to germinate (such as celosia, aster, delphinium, eucalyptus)
- Pelleted flower seeds ( such as campanula, foxglove, lisianthus)
- Small flower seeds to (such as snapdragons, poppies, foxglove)
- Seeds that need to be germinated in large quantities, or when the space is limited in the germination chamber / on germination pad
Vegetables:
- Seeds that need to be germinated in large quantities, or when the space is limited in the germination chamber / on germination pad (such as brassicas: kale, chard, cabbage, brussels sprouts) to be potted on into larger trays.
- Seeds that take a long time to germinate (such as parsley, perennial herbs, celery)
3) Pot-on Seedlings
Winstrip Trays
For more information about using our Winstrip Trays, check out our YouTube Winstrip Playlist.