Dahlia Bishop of Llandaff

One of the best.

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The striking red flowers of Dahlia 'Bishop of Llandaff' bloom against stunning burgundy foliage. This is a vigorous, heritage variety dating back to the 1920's. It has been tried, tested and loved by gardeners around the world. Dahlia 'Bishop of Llandaff' is even in the RHS top 200 plants of all time.

The semi double, vermillion red flowers open from late Summer deep into autumn. The burgundy foliage adds a little something special to the garden.

Dahlias are brilliant garden plants. They are long flowering, with lush foliage, come in a huge array of colours shapes and sizes, and are easy to care for. Dahlias are suitable for growing in garden beds or large pots.

Dahlias take around 8 weeks from planting to flowering. Plant your Dahlias in a sunny spot, morning sun is best and they need around six hours of sun a day to flower well.

Plant Dahlias into moist, humus rich, well drained soil. We recommend digging well rotted manure though the soil prior to planting. Plant the tuber around 10cm deep, and it is a good idea to stake tall varieties at the time of planting, this avoids root disturbance later on. Allow for good air flow between the plants.

You don't need to water your Dahlias in, just keep them moist once they start to grow. Add a slow release Tomato fertiliser in early Summer and some Sulphate of Potash, then mulch for best results.

Dahlia flowers are excellent for cutting, and last well in a vase. By cutting the flowers you will also encourage more blooms. When you cut the flowers, do it in the morning as they have a higher moisture content and so will last longer. Cut the stems so you are taking at least two leaves, this prunes the plant back far enough to encourage more flowers and bushy growth. Any flowers left on the plant should be removed as they brown in a similar method to encourage more blooms.

Dahlia tubers don't really need to be lifted, if the soil is well drained and you don't live in areas where the soil will freeze. But they should be dug and divided every couple of years to keep them flowering at their best.

Dahlias were discovered in Mexico in the 1700's. They were named after the Swedish botanist, Anders Dahl.



Botantical name

Dahlia hybrid






Summer to Autumn


Cool to Mediterranean


Australia wide


Full Sun to Semi Shade

Supplied as


Water needs