The constant gardener

Garden editor

Seed funding

September 1 is the official start of spring, the season of rejuvenation when it feels like nature has given us the go-ahead to get out into the garden, sowing and planting. But patience is prudent in all but the warmest parts of the country.

Unless the soil temperature is high enough, many seeds will struggle to germinate outdoors. Soil thermometers can be obtained to measure the soil but an ordinary household one will also do the trick. Bury the end about 10cm deep and wait for five minutes before checking. Most seeds like the soil to be between 20°C and 30°C. Remember, the soil type will affect how quickly it