Mercury Dahlia

FD · 12" bloom · 4.5 ft tall · Hybridized by Harry Stredwick (1938) · UK

Mercury dahlia

Description

Mercury is an eye-catching ball-type dahlia with tightly packed, rounded blooms that hold their form beautifully in both the garden and the vase. Its luminous, warm-toned coloration adds a vibrant pop to borders and cutting beds, and the plant is a reliable, prolific bloomer through the season. Ideal for bouquets, Mercury’s sturdy stems and consistent bloom shape make it a favorite for cutting.

Specifications

FormFD
ColorDB
Bloom size12"
Plant height4.5 ft
HybridizerHarry Stredwick
Year introduced1938
Country of originUK

How to grow Mercury

Mercury is a FD with 4.5 ft tall with 12-inch blooms. Plant tubers 12–18 inches apart in full sun after the last frost. Pinch when plants reach 12 inches tall to encourage bushier growth and more blooms.

Harvest & vase life

FD-form dahlias like Mercury harvest dahlias when blooms are three-quarters to fully open. With clean cuts and fresh water, most varieties last 4–7 days in the vase.

Similar dahlia varieties

Frequently asked questions

How tall does Mercury grow?

Mercury grows to about 4.5 ft.

What color is Mercury?

DB — ADS color classification for Mercury.

Who hybridized Mercury?

Harry Stredwick, introduced in 1938.

Is Mercury good for cut flowers?

Yes. Dahlias are among the most popular cut flowers for home and market growers. Expect 4–7-day vase life with proper hydration.