✂ Cut Flower🏆 Exhibition

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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Availability & pricing

No growers are currently listing Downham Royal on The Dahlia Hub.

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

Intermediate

Ideal for

HobbyistsFloristsExhibitors

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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