RNX Blackwell Dahlia
Description
RNX Blackwell is a beautiful dahlia variety hybridized by Eugene Kenyon in 2026.
Specifications
| Form | NX |
|---|---|
| Color | PR |
| Bloom size | 4.5" |
| Plant height | 3.5 ft |
| Hybridizer | Eugene Kenyon |
| Year introduced | 2026 |
| Country of origin | USA |
How to grow RNX Blackwell
RNX Blackwell is a NX with 3.5 ft tall with 4.5-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
NX-form dahlias like RNX Blackwell 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
- Caribbean Fantasy — NX, DB
- Crazy Legs — NX, OR
- Hollyhill Bill M — NX, DP
- Valley Porcupine — NX, LB
- Lucky Jill — NX, PR
- Lucky Madison — NX, DR
Frequently asked questions
How tall does RNX Blackwell grow?
RNX Blackwell grows to about 3.5 ft.
What color is RNX Blackwell?
PR — ADS color classification for RNX Blackwell.
Who hybridized RNX Blackwell?
Eugene Kenyon, introduced in 2026.
Is RNX Blackwell 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.