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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 colorful flowers from the nursery fall into these categories.

Perennials are more long-lived plants, which you don't have to replace every year. Trees, shrubs, and some herbaceous plants such as mint, alstroemeria and tulips fall in this category.

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14y ago
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8y ago

Both annual and perennial plants produce seeds. Both may have flowers.

Perennial plants come back the next spring. Annuals you have to buy again.

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8y ago

Both have fundamental plant parts as root, stem and leaves. Both flowers and produce fruits and seeds. Both have many pollinators etc etc.

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Q: Why are there perennials and non perennials?
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