Willo Borealis Dahlia

P · 2" bloom · 3 ft tall · Hybridized by Norman Williams (1980) · Australia

Willo Borealis dahlia

Description

Willo Borealis is a show-stopping, high-impact bloom known for its bold, luminous coloration and beautifully packed petals that create a full, sculpted look in the garden. Standing tall on strong stems, it’s a reliable choice for cutting and adds vibrant late-summer to fall drama to borders and bouquets alike.

Specifications

FormP
ColorL
Bloom size2"
Plant height3 ft
HybridizerNorman Williams
Year introduced1980
Country of originAustralia

How to grow Willo Borealis

Willo Borealis is a P with 3 ft tall with 2-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 Willo Borealis 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.

Where to buy Willo Borealis tubers

Similar dahlia varieties

Frequently asked questions

How tall does Willo Borealis grow?

Willo Borealis grows to about 3 ft.

What color is Willo Borealis?

L — ADS color classification for Willo Borealis.

Who hybridized Willo Borealis?

Norman Williams, introduced in 1980.

Is Willo Borealis 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.