Hapet Blue Sea Dahlia

WL · 5" bloom · 3.3 ft tall · Hybridized by Peter Haslhofer (2019) · Austria

Hapet Blue Sea dahlia

Description

Hapet Blue Sea is an eye-catching decorative dahlia prized for its cool, ocean-toned palette—soft lavender to smoky blue-mauve petals that shift beautifully with changing light. Its full, rounded blooms sit on strong stems and make an exceptional cut flower, adding a calm, modern elegance to borders and bouquets alike.

Specifications

FormWL
ColorPR
Bloom size5"
Plant height3.3 ft
HybridizerPeter Haslhofer
Year introduced2019
Country of originAustria

How to grow Hapet Blue Sea

Hapet Blue Sea is a WL with 3.3 ft tall with 5-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

WL-form dahlias like Hapet Blue Sea 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 Hapet Blue Sea grow?

Hapet Blue Sea grows to about 3.3 ft.

What color is Hapet Blue Sea?

PR — ADS color classification for Hapet Blue Sea.

Who hybridized Hapet Blue Sea?

Peter Haslhofer, introduced in 2019.

Is Hapet Blue Sea 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.