These bio degradable pre seeded growing mats are designed to help you with pest control in your garden without the aid of pesticides by attracting a variety of predatory insectsr r best planted between march and august and will also help suppress weed growth r r each mat comes complete with an id chart of plants within the mat and how attracting these beneficial insects can help in your garden plus each pack contains easy to follow planting instructions r r seed mat includes red lettuce g