Garden Help
Diagnose plant problems and treat garden pests


Get Gardening Help!

Home > Projects >

How to make the most of your dahlias


You will need: Pot, Straw, Cane, Secateurs

When it comes to stunning colour and flower size in the summer, Dahlias perform brilliantly. With a little care and attention, you can have blooms that will be the envy of your neighbours.

Best time to do it:

JanFebMarAprMayJunJulAugSepOctNovDec

Step 1

Step 1 of How to make the most of your dahlias

Earwigs love Dahlias and will feast on the flowers, leaving notches in the petals and mess everywhere. They feed at night and hide during the day, making them hard to remove. Create a trap by filling a pot with dry straw…

Step 2

Step 2 of How to make the most of your dahlias

…and placing it upside down on the top of a cane right next to the plant. The earwigs will hide in the straw and you can simply empty the pot each day to get rid of them.

Step 3

Step 3 of How to make the most of your dahlias

If you want really big blooms, remove competing flower buds from nearby on the same stem.

Step 4

Step 4 of How to make the most of your dahlias

Remove flowers as they fade. This stops the plant setting seed, which will reduce flowering, and reduces the risk of grey mould as the petals rot.

Related FAQs


Ask a gardening question:




Latest Gardening News



Latest Gardening & Horticultural Careers


Explore Gardens from Around the World


Butchart Gardens
British Columbia, Canada

Saint Petersburg Botanical Garden
Saint Petersburg, Russia

Medellin Botanical Garden
Medellin, Columbia

Lalbagh Botanical Garden
Bangalore, India

Nongnooch Tropical Garden
Pattaya, Thailand



Watch a Video!

How to Plant Spring Flowering Bulbs
How to Plant Spring Flowering Bulbs
How do I
How do I 'thin' grape bunches?
How to Grow Perennial Scabius
How to Grow Perennial Scabius
Why are my pansies and violas wilting?
Why are my pansies and violas wilting?
How do I summer prune fruit trees?
How do I summer prune fruit trees?
Will tulips grow in the shade?
Will tulips grow in the shade?