Onslow Flash Dahlia
Description
Onslow Flash is a beautiful dahlia variety hybridized by Arthur R King in <1972.
Specifications
| Hybridizer | Arthur R King |
|---|---|
| Year introduced | <1972 |
| Country of origin | UK |
How to grow Onslow Flash
Onslow Flash is a dahlia. 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
Dahlia-form dahlias like Onslow Flash 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
Who hybridized Onslow Flash?
Arthur R King, introduced in <1972.
Is Onslow Flash 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.