The gardening season doesn’t start outside in the mud, but from the comfort of the windowsill indoors. That’s where you want to begin growing vegetables and summer flowers. If you’re starting off your seedlings indoors, here are the main questions to consider: WHY does it make sense to grow veggies and flowers in advance? Start off your summer flowers and vegetables indoors if it is still cool outside, to give them an edge over plants you place directly in the flower bed. It gives the plants indoors a bit more time to grow stronger and more resilient so they are pretty hardy by the time it is …