Heatwave Dahlia

WL

Heatwave dahlia

Description

Heatwave lights up the garden with fiery sunset tones—glowing blends of red, orange, and gold that seem to intensify in bright summer sun. Its full, formal blooms are carried on strong stems, making it a standout in borders and an eye-catching cut flower for bold, warm-toned bouquets. Expect a vigorous plant that flowers generously through the season, bringing nonstop energy to beds and vases alike.

Specifications

FormWL
ColorV
Year introduced<1969

How to grow Heatwave

Heatwave is a WL. 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 Heatwave 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

What color is Heatwave?

V — ADS color classification for Heatwave.

Is Heatwave 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.