Tanjoh Dahlia

C · 4" bloom · 3.5 ft tall · Hybridized by Yusaku Konishi (1979) · Japan

Tanjoh dahlia

Description

Tanjoh is an eye-catching dahlia with bright, warm-toned blooms that glow in the garden and make standout cuts for bouquets. Its well-formed flowers sit on strong stems and bloom generously through the season, adding vivid color and reliable performance to beds and borders.

Specifications

FormC
ColorBI
Bloom size4"
Plant height3.5 ft
HybridizerYusaku Konishi
Year introduced1979
Country of originJapan

How to grow Tanjoh

Tanjoh is a C with 3.5 ft tall with 4-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 Tanjoh 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 Tanjoh grow?

Tanjoh grows to about 3.5 ft.

What color is Tanjoh?

BI — ADS color classification for Tanjoh.

Who hybridized Tanjoh?

Yusaku Konishi, introduced in 1979.

Is Tanjoh 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.