Dahlia ‘Bishop of Auckland’ – How to Grow This Stunning Dark‑Leaved Dahlia
Dahlia ‘Bishop of Auckland’ is a striking variety with deep crimson‑purple blooms and dramatic dark foliage. Here’s how to plant, care for and enjoy this reliable summer favourite in your UK garden.
Why Grow Dahlia ‘Bishop of Auckland’?
Part of the renowned Bishop series, this dahlia delivers:
- Velvety deep red to purple blooms
- Rich, dark, contrasting foliage
- Constant flowering from midsummer to autumn
- Excellent performance in borders and cut‑flower gardens
It’s a dramatic, high‑impact choice for summer displays and pairs beautifully with grasses, salvias and cosmos.
Choosing the Right Location
Sunlight
- Needs full sun — at least 6–8 hours daily for strong blooms
Soil
- Well‑drained and fertile
- Improve heavy soil with compost, grit or organic matter
When & How to Plant
Planting Time
- Plant tubers in spring, after the last frost
- In Plymouth, this is typically late April–May
How to Plant
- Dig a hole 4–6 inches deep
- Place tuber with the eye facing upward
- Cover lightly with soil
- Water well after planting
Watering
- Water thoroughly after planting
- Keep soil consistently moist, but avoid waterlogging
- Deep water weekly in hot weather for strong flowering
Feeding
- Use a balanced fertiliser (10‑10‑10) at planting
- Feed again mid‑season
- Avoid high nitrogen — it encourages foliage over flowers
Staking
‘Bishop of Auckland’ has tall stems that benefit from support:
- Stake at planting or early growth stage
- Tie in stems gradually as they lengthen
Deadheading
- Remove spent blooms regularly
- Encourages repeat flowering and longer bloom season
Pest & Disease Management
Common issues include:
- Aphids
- Slugs and snails
- Powdery mildew
Use organic controls or neem oil if needed.
Ensure good airflow to reduce fungal problems.
Winter Care
- After the first frost, cut back stems
- Lift tubers in colder areas, dry them, and store in a cool, frost‑free place
- In mild coastal gardens, you may overwinter in the ground with heavy mulch
Propagation
- Divide tubers every 2–3 years in spring
- Ensure each division has at least one visible eye
Extra Tips
- Mulch to retain moisture and suppress weeds
- Plant companions like salvias, silver foliage plants or grasses for contrast
- Check regularly for pests to keep plants vigorous
FAQs
Does ‘Bishop of Auckland’ grow well in pots?
Yes — choose a large pot (30–40cm+) with drainage.
How tall does it grow?
Typically 90–120cm, depending on conditions.
Is it good for cut flowers?
Excellent — long stems and rich colour make it a favourite.
Bring bold colour and dramatic foliage to your garden with Dahlia ‘Bishop of Auckland’ — a showstopper that rewards you with months of blooms and easy care.
