How to overwinter tender dahlias and cannas (part one)

Tender perennials like cannas, dahlias and chocolate cosmos need winter protection – Monty Don shows you how to get started on this task.

A table displaying which months are best to sow, plant and harvest.
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
To do
To do

Do not To do in January

Do not To do in February

Do not To do in March

Do not To do in April

Do not To do in May

Do not To do in June

Do not To do in July

Do not To do in August

Do To do in September

Do To do in October

Do not To do in November

Do not To do in December

In part one of the Gardeners’ World guide to overwintering tender perennials, Monty Don shows you how to dig up dahlias, chocolate cosmos and cannas from a container display in autumn, explaining which parts of the plants to store and which to discard.

Take a look at part two of this video guide on how to overwinter dahlias and cannas.

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