A good quality soil thermometer helps throwing all guesswork away. As an experienced vegetable gardener knows , soil is the best indicator of when to plant a particular vegetable in the garden. Measuring soil temperature is the best and easiest way to determine timing for planting irrespective of the climatic conditions.
During the early spring season, you can plant cool-season vegetables such as peas and kale. This would not be good time to plant warm season varieties. Better keep them off.
Here is a brief description about the particular crop that will germinate at a particular soil temperature;
1. Below 40 degrees: arugula, fava beans, kale, lettuce, pak choy, parsnips, peas, radicchio, radishes and spinach seed. Read the rest of this entry