Hallmark Dahlia

P · 1" bloom · 3 ft tall · Hybridized by Wiilliams (1946) · Australia

Hallmark dahlia

Description

Hallmark is an eye-catching decorative dahlia that produces full, neatly layered blooms in warm rose-pink tones with lighter highlights, creating a polished, “florist-perfect” look in the garden. Held on strong stems, its medium-to-large flowers make excellent cut stems and bring steady color from midsummer until frost with regular picking.

Specifications

FormP
ColorDP
Bloom size1"
Plant height3 ft
HybridizerWiilliams
Year introduced1946
Country of originAustralia

How to grow Hallmark

Hallmark is a P with 3 ft tall with 1-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

P-form dahlias like Hallmark 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 Hallmark grow?

Hallmark grows to about 3 ft.

What color is Hallmark?

DP — ADS color classification for Hallmark.

Who hybridized Hallmark?

Wiilliams, introduced in 1946.

Is Hallmark 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.