(((Winter Gardening)) A cold frame with a glass top can give you a growing season, even in Maine, and it's the easiest and most economical way to extend your harvest. Build the one described here, and you're on your way to fresh veggies year round.
Baking soda neutralizes the ph in the soil and is a natural weed killer. Sprinkle baking soda around all of the edges of garden areas to keep the grass and weeds from growing into flower beds. Just lightly cover the soil twice a year – spring and fall.