Protecting plants from frost in spring and autumn
In Finland, frost can strike in early summer and as early as August, and one cold night is enough to destroy tender seedlings. This guide explains how to recognise the risk of frost and protect your plants by inexpensive means.
You will need
- Garden fleece or old sheets
- A weather app or the Finnish Meteorological Institute's forecasts
- Stones or clips to hold the fleece down
- A watering can or hose
Steps
Know the frost-sensitive plants
Tomatoes, cucumbers, squash, beans, basil and most summer bedding flowers, for example, are damaged even by a light frost. Potatoes, cabbage and lettuce withstand a light frost better.
Follow the forecast
Time your planting correctly
Cover plants in the evening
Do not put plastic directly on leaves
Water the soil in the early evening
Move pots to shelter
Assess the damage in the morning
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