When is it safe to plant flower and veg seeds outside? It always says after all danger of frost has passed. Is that April or May?
Time to Plant
Certified GKH Gardening Expert
It really depends on your region and the plant. Typically the seed packet will have this information, but, yes, after all threat of frost has passed in your area. This article may be of some help: https://www.gardeningknowhow.com/garden-how-to/info/how-to-determine-last-frost-date.htm