General Gardening Outdoor Grow Room

Maximum Soil Temperature for Spring Plants

Last time we talked about the minimum soil temperature for germinating many spring plants, now lets look at the maximum temperature for the same plants. Fava beans will germinate until the soil reaches about 65 degrees Fahrenheit. By 70 degrees Fahrenheit, arugula, celery, celeriac and mache will stop germinating. The following vegetables will need to […]