Hollyhill Black Widow Dahlia

WL · 4.5" bloom · 4 ft tall · Hybridized by Ted (Ken) & Margaret Kennedy (2007) · USA

Hollyhill Black Widow dahlia

Description

Hollyhill Black Widow is a dramatic, near-black dahlia with velvety petals that read deep burgundy to inky purple, intensifying in the evening light. Its full, formal blooms make a striking focal point in the garden and an unforgettable cut flower, pairing beautifully with pastels and bright jewel tones alike. Expect strong contrast, rich color saturation, and a moody elegance that stands out in any bouquet.

Specifications

FormWL
ColorDR
Bloom size4.5"
Plant height4 ft
HybridizerTed (Ken) & Margaret Kennedy
Year introduced2007
Country of originUSA

How to grow Hollyhill Black Widow

Hollyhill Black Widow is a WL with 4 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

WL-form dahlias like Hollyhill Black Widow 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.

Where to buy Hollyhill Black Widow tubers

Similar dahlia varieties

Frequently asked questions

How tall does Hollyhill Black Widow grow?

Hollyhill Black Widow grows to about 4 ft.

What color is Hollyhill Black Widow?

DR — ADS color classification for Hollyhill Black Widow.

Who hybridized Hollyhill Black Widow?

Ted (Ken) & Margaret Kennedy, introduced in 2007.

Is Hollyhill Black Widow 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.