How to prick out seedlings

In this video, Andrew demonstrates how to handle seedlings during pricking out.

Aim to prick out seedlings as soon as you can get hold of a seed leaf (called a cotyledon). That is the only part of the seedling you should handle. This is because the cotyledons are very hardy. Other parts of the seedling can be damaged easily which may at best put the plant under stress, and at worst damage or even kill the seedling.

Choose a container that is going to be big enough to allow them to grow to the size you want for planting out into their final position. We used a range of cells trays and pots depending on the size the plant is likely to grow to – pumpkins went in larger pots than alpine strawberries!

The compost used for pricking out can be potting or universal /multi purpose compost. We use peat free.

When you have potted up your seedlings, give them a good watering, and water regularly. When the plant shows signs of growth, such as developing more leaves, you should consider adding a fertiliser to encourage root growth.

Andrew holding a cell tray containing newly pricked out zinnia seedlings
The seedlings shown in the video are Zinnia Purple Prince that Andrew won from Mr Fothergill.

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