RM Glenny Penny Dahlia

5.5 ft tall · Hybridized by Merle (2025) · USA

Description

RM Glenny Penny is an eye-catching, warm-toned dahlia known for its glowing coppery-peach to apricot petals that read like a polished penny in the garden. Its lush, fully double blooms sit on strong stems, making it as useful for cutting as it is striking in the border, with color that deepens beautifully as the season progresses.

Specifications

Plant height5.5 ft
HybridizerMerle
Year introduced2025
Country of originUSA

How to grow RM Glenny Penny

RM Glenny Penny is a dahlia with 5.5 ft tall. 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 RM Glenny Penny 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

How tall does RM Glenny Penny grow?

RM Glenny Penny grows to about 5.5 ft.

Who hybridized RM Glenny Penny?

Merle, introduced in 2025.

Is RM Glenny Penny 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.