Heartthrob Dahlia
Description
Heartthrob is a romantic, bloom-packed dahlia that lives up to its name with richly saturated red-to-magenta tones and a lush, petal-filled look that reads beautifully in the garden or a vase. Producing plentiful, medium-to-large flowers on strong stems, it brings bold color and classic “cut-flower” presence to beds and bouquets all season long.
Specifications
| Form | CO |
|---|---|
| Color | R |
| Bloom size | 3" |
| Plant height | 3.5 ft |
| Hybridizer | Nick Gitts (Swan Island Dahlias) |
| Year introduced | 2010 |
| Country of origin | USA |
How to grow Heartthrob
Heartthrob is a CO with 3.5 ft tall with 3-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
CO-form dahlias like Heartthrob 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
- Apple Blossom — CO, LB
- Bloomquist Arise — CO, DP
- Bumble Rumble — CO, DB
- Ferncliff Dolly — CO, DB
- Giggles — CO, OR
- Kelsey Annie Joy — CO, OR
Frequently asked questions
How tall does Heartthrob grow?
Heartthrob grows to about 3.5 ft.
What color is Heartthrob?
R — ADS color classification for Heartthrob.
Who hybridized Heartthrob?
Nick Gitts (Swan Island Dahlias), introduced in 2010.
Is Heartthrob 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.