Downham Royal
Deep plum spheres that florists and exhibitors reach for first
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Miniature Ball · 2–3.5"PurpleJohn A. Sharp (1972)United Kingdom
Downham Royal produces tightly packed, spherical blooms in a rich plum to dark purple-red that deepens as the season progresses. Introduced in the UK in 1972, it has remained a trusted choice for both cutting gardens and show tables. Plants are compact and free-branching, pumping out blooms from midsummer until frost with impressive consistency. It was bred in United Kingdom by John A. Sharp in 1972.
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Specifications
Physical
- Form
- Miniature Ball
- Bloom class
- Munder 4"
- Bloom size
- 2–3.5"(5.1–8.9 cm)
- Plant height
- 35–47"
Color
- Color
- Purple
- Pattern
- Solid
- Tags
- deep purpleplumburgundydark purplewineviolet
Growing context
- Flowering season
- Mid season
- Cut flower
- ✓ Yes
- Exhibition
- ✓ Yes
Provenance
- 1972
- United Kingdom
- Breeder
- John A. Sharp
- RHS registration
- 59748
Grower Profile
Difficulty
Ideal for
Growing Downham Royal
Pinch the central growing tip early in the season to promote side shoots and maximize flower count. Stake plants at planting time before stems fill in. Water deeply and consistently at the base, letting the soil surface dry slightly between sessions. Feed with a low-nitrogen fertilizer once buds begin to form, and cut stems regularly to keep production going strong through autumn.
- Spacing
- Space roughly 2–3 ft apart
- Staking
- Staking recommended once buds set
Frequently asked questions
How tall does Downham Royal dahlia grow?
Downham Royal reaches 35–47" at maturity, so plan to stake plants early to keep heavy blooms upright.
When does Downham Royal dahlia bloom?
Downham Royal is a midseason bloomer, in flower from midsummer through first frost.
Is Downham Royal dahlia good for cut flowers?
Yes — Downham Royal is well suited for cutting, with approximately 7-day vase life.
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