Materials & Tools

Plastic cups
Soldering iron

Step 1

Melt a hole in the base of each cup using a soldering iron. Do this in a well-ventilated area - preferably outdoors.

Step 2

Once you have a drainage hole, the cups are ready for use as plant pots for small seedlings.

Step 3

The cups are the perfect size to fit neatly in 15-cell tray inserts.

Example 1

Fifteen shallots started in plastic cups about 3 weeks ago.

Example 1

Fifteen pots multi-sown with spring onions, which will be planted out to form small clumps.