Trelyn Rhiannon Dahlia
Description
Trelyn Rhiannon is a showy, fully double dahlia with elegantly layered petals that create a lush, rounded bloom. Its rich, romantic coloring—often shifting with light and temperature—makes it a standout in the border and an eye-catching choice for cutting, delivering strong stems and repeat flowering from midsummer to frost.
Specifications
| Form | C |
|---|---|
| Color | DB |
| Bloom size | 5" |
| Plant height | 5 ft |
| Hybridizer | Roy Tudor |
| Year introduced | 2005 |
| Country of origin | UK |
How to grow Trelyn Rhiannon
Trelyn Rhiannon is a C with 5 ft tall with 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
C-form dahlias like Trelyn Rhiannon 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
- Erpeler Ley — C, BR
- Sandia Barbie — C, DP
- AC Anna Lisa — C, LB
- AC Lucille — C, FL
- Devon Savannah — C, Y
- Hollyhill Cheerio — C, BI
Frequently asked questions
How tall does Trelyn Rhiannon grow?
Trelyn Rhiannon grows to about 5 ft.
What color is Trelyn Rhiannon?
DB — ADS color classification for Trelyn Rhiannon.
Who hybridized Trelyn Rhiannon?
Roy Tudor, introduced in 2005.
Is Trelyn Rhiannon 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.