Non-perennials (which basically are either annuals or the rare biennial) are plants that grow for one warm season, then die (or in the case of biennials, two warm seasons). Many vegetables and cheap...
Peennial flowers are plants that will come back each summer without being replanted.
Hardy.
difference between perennial and nonperennoial river
yes. they do perish after becoming ripe.
Plants and Flowers for a Perennial Border
Caring for Perennials
Perennials for Beginners with Freya Wellin
How to Plant Fall Perennial