Dahlias test
Our bulbs are tried and tested in Sarah's garden at Perch Hill and only the best get added to our range. We have a wide range of varieties, colours and shapes to choose from. Not sure where to start? Take a look at our most popular and bestselling bulbs and get inspired.
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Can you leave dahlias in pots over winter?
Yes, you can leave your dahlias in pots over the winter but you will need to make sure they are protected from the cold. Cut back your plants, relocate your pots to a frost-free garage or shed for the winter and allow the compost to dry out completely. You can add extra insulation around the pot if temperatures in your garage are likely to drop below freezing. Bring the pots back out into the light when the temperatures rise again in the spring.
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How tall do dahlias grow?
There are compact varieties around 40cm (15in) tall, as well as varieties that reach over 1.5m (5ft) – as well as everything in between!
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When do dahlias start to sprout?
You’ll see tubers planted in early spring start to sprout 2-3 weeks later.
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Are dahlias perennial?
Dahlias are tender perennials and the tubers can be killed by frost.
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Are dahlias poisonous to pets?
Yes, unfortunately dahlias are toxic to cats and dogs.
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Are dahlias good for bees?
The single dahlias are a fantastic source of forage for bees and other pollinators, providing nectar well into late autumn.
