Super Sprouter® 50 Cell Square Plug Tray Insert

Start 50 seeds or cuttings in a standard 10×20 flat

The Super Sprouter® 50-cell square plug tray insert organizes propagation in a standard 10" × 20" flat. Use it with coco plugs, soil, or soilless growing mixes for a tidy, repeatable setup when starting seeds and cuttings.

• 50 square cells: Keep a full batch of seedlings or cuttings separated and easy to manage.
• Standard 10×20 fit: Designed to sit inside standard 10" × 20" propagation trays.
• Media flexible: Works with coco plugs, soil, and soilless mixes.
• Cleaner workflow: Organizes starts for watering, labeling, moving, and transplanting.

How to use

1. Place the insert into a compatible 10" × 20" propagation flat.
2. Fill the square cells with your chosen propagation medium and plant one seed or cutting per cell.
3. Water and manage humidity for your crop, then transplant established starts when they are ready.

A simple, space-efficient insert for growers who want a consistent 50-cell propagation layout.