Classification according to Lifespan

WEEK 6

Classification according to Lifespan

Crops can be grouped according to their life span as follows: annuals, biennials and perennials.

Annuals

These are plants that perform their entire life cycle from seed to flower to seed within a single growing season. All roots, stems and leaves of the plant die annually. Examples are lettuce and spinach

Annual crops are crops that grow and live for about one year. Many vegetables belong to this group. Examples include tomato, amaranthus, okra, onion and carrot. Other crops in this group are yam, maize, rice, groundnut, millet, garden egg, sorghum, cassava and potato.

 

Biennials

These are plants which require two years to complete their life cycle. Examples are onions, carrots, and cabbage

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