Dahlias are not the first flower you think about when looking for container plants. The large flowers from tuberous roots are very thirsty, very hungry and can grow 4-6 feet tall. So I would leave the dinner plate varieties alone unless you have an enormous pot or barrel.
Annual Dahlias may be the answer and there are many colourful mixes available to grow from seed. Mostly they are single flowered annuals and are less fussy than the larger varieties.
- Bambino mix grow to 12-18″ tall miniature semi-double flowers that are recommended for bedding, pots and containers. Sow in February or March.
- I like the idea of Bishops Children which are seeds to grow as offspring from the Bishop of llandaff and various cathedral cities which have red-purple dark leaves and red to orange flowers. They are mid sized dahlias from seed and you may grow a great flower.
- Double Extreme is an attractive dwarf selection, producing a mass of high quality double and semi double flowers in an rich colour mixture.
If you want to try larger flowered varieties, preferrably in their own space with lots of compost and mulch the Thompson Morgan have a selection.
Dark leaved Bishop’s children Dahlias are looking very good as Autumn comes to an end. Children will be surprised the leaves are not green and the flowers remain so colourful read more
See a mosaic of Pink Dahlias with top ten pointers