Gardening in March can feel overwhelming but rewarding. Many, many seeds can be planted mid-march if you have a last frost date of May 15th. I like to start most of my flowers and some secession seedlings indoors. While also having plants in my outdoor winter sowing containers. This gives me many plants with my limited space indoors. Growing seedlings indoors helps control the environment in which seeds can grow. Gardening in March indoors can give you a head start while your outdoor winter sow seeds are still warming up. This creates a nice secession or garden that will continue to have different plants ready at different times. Lets say…