Don’t buy seed-starting mix, make your own for less money (Oregonian)

Don’t buy seed-starting mix, make your own for less money (Oregonian)
Home gardeners can start vegetable and flower seedlings indoors from four to 12 weeks before the last average spring frost in their area, which means it’s time to get started. Making homemade planting medium can be more economical than buying a sterile mix at the store, said Brooke Edmunds, a horticulturist with Oregon State University’s Extension Service.