Growing guide

How to grow dahlias

With showy blooms in a range of colours, sizes and shapes, dahlias light up sunny borders through summer and into late autumn. They suit most garden styles, from tropical to cottage borders, and smaller types can be grown in containers. As dahlia aren’t hardy, they need protection over winter.

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Quick facts

  • Moderately easy to grow
  • Flowers from summer through autumn
  • Like fertile, well-drained soil in sun
  • Deadhead to boost flowering
  • Not hardy, so protect from freezing conditions
  • In most of the UK, store tubers indoors over winter
  • Make new plants from cuttings, division or seed

All you need to know

Before you get started
Ongoing care
Pruning and training
While we think all this information will be helpful to you, we always recommend to read the instruction labels on your plants.

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