Dahlia Plant 'Bishop of Llandaff'

dahlia pinnata

Dahlia 'Bishop of Llandaff' is one of the most popular single dahlias, with bright red flowers and dark bronze-green foliage. RHS AGM.

1 x 3L Plant

51301510

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Despatched between 21st and end of May

£14.99

1 x Tuber

51008049

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Despatched between 11th and 20th of February

£7.99

Plants Delivery £4.95* | Learn More

Product Information

Eventual Height:

90-120cm

Position:

Full Sun

Suitable for:

Pots, Patio, Small Gardens, Borders, Cottage Garden, Cut Flower Garden

Plant Type:

Tender Perennial

Soil Type:

Dahlias prefer well-drained, fertile, and slightly acidic to neutral soil (pH 6.0–7.0).

Complete The Job

Growing Calendar

Jan

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Plant outdoors

Plant outdoors

Flowering

Flowering
  • Bright red flowers.
  • Dramatic dark foliage.
  • Pollinator-friendly.
  • Excellent cut flower.

Dahlia ‘Bishop of Llandaff’ is one of the most popular single dahlias, with bright red flowers set off by superb dark bronze-green foliage. It flowers prolifically through summer and early autumn and holds the RHS Award of Garden Merit. The stunning flowers are pollinator-friendly and ideal for cutting.

How To Grow

How to Grow Dahlias:

Plant dahlias in a sunny spot with well-drained, fertile soil enriched with compost or organic matter. Space plants 30-60cm apart depending on their final size, ensuring good air circulation. Tubers should be planted 10-15cm deep with the crown upwards, while plug plants and potted dahlias can be planted at the same depth as in their pots. Water thoroughly after planting and keep the soil consistently moist but not waterlogged.

Pinch out the growing tips when plants are 30cm tall to encourage bushier growth and more flowers. Stake taller varieties early to prevent wind damage. Regular deadheading promotes continuous blooms, and feeding every 2-3 weeks with a high-potash fertiliser enhances flowering. Lift tubers after the first frost, dry them, and store in a cool, frost-free place for winter, or mulch deeply in mild climates to overwinter in the ground.

Guide To Plant Sizes

Dahlia Plant Sizes:

Dahlias are available in a range of sizes to suit every gardener:

  • Tubers: Dormant and ready to plant in spring, producing full-sized plants by summer.
  • Garden-Ready Plug Plants: Young plants ideal for direct planting once frosts have passed, growing quickly into healthy specimens.
  • 9cm Potted Plants: Well-rooted and easy to transplant, providing a head start on the growing season.
  • 2L Potted Plants: Established plants that deliver an instant impact in borders or pots.

All sizes offer vibrant blooms for summer displays, with varieties suited to pots, borders, or cutting gardens.

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