Growing guide

How to grow annuals and biennials

Annuals and biennials are fast-growing plants that flower prolifically over a long period. Cheap and cheerful, they are easy to grow from seed in large quantities, to fill borders, patio containers and hanging baskets with colour.

Quick facts

Get involved

The Royal Horticultural Society is the UK’s leading gardening charity. We aim to enrich everyone’s life through plants, and make the UK a greener and more beautiful place.