Thomas A Edison Dahlia

ID · 7.5" bloom · 3.8 ft tall · Hybridized by Dahliadel (Warren Maytrott) (1929) · USA

Thomas A Edison dahlia

Description

Thomas A Edison is a dramatic, deep purple dahlia with velvety petals and a full, formal decorative form that brings rich, jewel-toned color to the garden. Its large, showy blooms stand out beautifully in borders and make striking cut flowers, especially paired with softer pastels or bright whites. A reliable bloomer through the season, it’s an excellent choice for gardeners who want bold color and classic, exhibition-style form.

Specifications

FormID
ColorPR
Bloom size7.5"
Plant height3.8 ft
HybridizerDahliadel (Warren Maytrott)
Year introduced1929
Country of originUSA

How to grow Thomas A Edison

Thomas A Edison is a ID with 3.8 ft tall with 7.5-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

ID-form dahlias like Thomas A Edison 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 Thomas A Edison grow?

Thomas A Edison grows to about 3.8 ft.

What color is Thomas A Edison?

PR — ADS color classification for Thomas A Edison.

Who hybridized Thomas A Edison?

Dahliadel (Warren Maytrott), introduced in 1929.

Is Thomas A Edison 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.