4/19: Green Gardening Tip: Perennials renew themselves. Annuals only last through the year they are planted. REDUCE & REUSE - Save money, save planting time.

http://www.perennials.com/
A perennial is a plant that continues growth from year to year.

http://www.burpee.com/category/annual+flowers.do?ch=SEM
Annuals are plants that live for one growing season.