Bloomquist Grandiose Dahlia

FD · 4 ft tall · Hybridized by Paul Bloomquist (2026) · USA

Bloomquist Grandiose dahlia

Description

Bloomquist Grandiose lives up to its name with big, fully double blooms that bring bold, high-impact color to the garden and the vase. Held on strong, upright stems, it’s a standout cutting choice with a lush, layered form that reads rich and dramatic from a distance while revealing intricate petal detail up close.

Specifications

FormFD
ColorDP
Plant height4 ft
HybridizerPaul Bloomquist
Year introduced2026
Country of originUSA

How to grow Bloomquist Grandiose

Bloomquist Grandiose is a FD with 4 ft tall. 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 Bloomquist Grandiose 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 Bloomquist Grandiose grow?

Bloomquist Grandiose grows to about 4 ft.

What color is Bloomquist Grandiose?

DP — ADS color classification for Bloomquist Grandiose.

Who hybridized Bloomquist Grandiose?

Paul Bloomquist, introduced in 2026.

Is Bloomquist Grandiose 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.