Opal Dahlia

BA · 4" bloom · 2.8 ft tall · Hybridized by Harry W Allyn (1914) · USA

Opal dahlia

Description

Opal lights up the garden with luminous blush-to-pink blooms touched with a soft opalescent sheen, giving each flower a romantic, glowing presence. Its full, neatly formed blossoms rise on strong stems, making it a reliable choice for both borders and cutting—especially when you want an elegant pastel accent in bouquets.

Specifications

FormBA
ColorLB
Bloom size4"
Plant height2.8 ft
HybridizerHarry W Allyn
Year introduced1914
Country of originUSA

How to grow Opal

Opal is a BA with 2.8 ft tall with 4-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

BA-form dahlias like Opal 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 Opal grow?

Opal grows to about 2.8 ft.

What color is Opal?

LB — ADS color classification for Opal.

Who hybridized Opal?

Harry W Allyn, introduced in 1914.

Is Opal 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.