Grayval Shiraz Dahlia
Description
Grayval Shiraz is a richly colored, wine-toned dahlia that brings deep burgundy “shiraz” hues and a velvety glow to the late-summer garden. Its full, well-formed blooms sit on strong stems, making it a standout in beds and a dramatic choice for cutting—pair it with blush, cream, or smoky foliage for a moody, elegant palette.
Specifications
| Form | MB |
|---|---|
| Color | DR |
| Bloom size | 4" |
| Plant height | 4 ft |
| Hybridizer | Garham Switalla |
| Year introduced | 2006 |
| Country of origin | New Zealand |
How to grow Grayval Shiraz
Grayval Shiraz is a MB with 4 ft tall with 4-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
MB-form dahlias like Grayval Shiraz 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
- 20th Ave Delicada — MB, PK
- 20th Ave For Mom — MB, DP
- 20th Ave Ingrid — MB, L
- 20th Ave Tradition — MB, W
- Bloomquist Crave — MB, DR
- Bloomquist Wonderful — MB, LB
Frequently asked questions
How tall does Grayval Shiraz grow?
Grayval Shiraz grows to about 4 ft.
What color is Grayval Shiraz?
DR — ADS color classification for Grayval Shiraz.
Who hybridized Grayval Shiraz?
Garham Switalla, introduced in 2006.
Is Grayval Shiraz 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.