Q.Is Milford, DE In Zone 7a, And What’s The Difference Between 7a And 7b?
When is the earliest time it is safe to plant tomato plants into the garden in zone 7a? Also, what types of vegetables do best in a 7a zone garden?
Certified GKH Gardening Expert
Tomatoes are warm season vegetables and shouldn't be planted before the soil has warmed to about 60 degrees F. You can find this temperature on weather sites or your cooperative extension sites. These article should help:
https://www.gardeningknowhow.com/planting-zones/delaware-planting-zones.htm
https://extension.unh.edu/resource/growing-vegetables-tomatoes-fact-sheet-1
https://www.gardeningknowhow.com/edible/vegetables/tomato/tips-for-growing-tomatoes.htm