These 15 cell inserts are designed to convert a standard full-size seed tray into 15 individual planting cells. Made from lightweight, thin-walled plastic with drainage holes, each section can be used as a standalone pot or snapped out in strips. The inserts fit flush with the top of full seed trays for easy filling and are compatible with propagator lids.

Features & Benefits:

• Thin-walled design keeps them light yet functional

• Drainage holes in each cell to prevent waterlogging

• Sections are semi-separated — can be broken into single pots or strips for flexibility

• Fits flush to the top of full seed trays for seamless integration

• Compatible with propagation domes and covers

Specifications:

• Tray Dimensions: 23 cm × 36 cm × 5.2 cm deep

• Cell Dimensions: Each cell ~6.5 cm × 6.3 cm

• Tray Type: Full-size insert designed to sit inside standard full trays

Why These Inserts Are Useful:
These 15 cell inserts give you flexibility and efficiency—turn one tray into multiple units or individual pots as needed. Ideal for propagation or staging, they let you optimize space and control moisture for young plants while using your existing trays and lids.