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A picture of a Dense-Flower Mullein

Dense-Flower Mullein

Verbascum densiflorum

Photo by CandideUK (All rights reserved)

Full Sun
Light watering
Frost Hardy

H7

RHS hardiness

-20°C

Minimum temperature

Expected size

Height
Spread

1.5m

Max

60cm

1.2m

Min

40cm

Flowering

  • spring
  • summer
  • autumn
  • winter

Dense-Flower Mullein Overview

Verbascum densiflorum commonly known as Dense-Flowered Mullein is a rosette forming biennial with grey yellow hairs and elliptic, mid green basal leaves. The bright yellow, saucer-shaped flowers are borne in spikes in early summer to late summer.

How to propagate Dense-Flower Mullein

Seed

You can propagate from seeds in the spring or late summer. Some species self seed freely.

Division

Division in the winter.

Cuttings

Selected forms by root cuttings only.

Other uses of Dense-Flower Mullein

Flower arranging