Verbascum nigrum | 11cm Pot | Yellow Flower

Price range: £4.86 through £5.58

Common Names

  • Dark Mullein
  • Black Mullein

Verbascum nigrum, or Dark Mullein, is a hardy perennial perfect for UK gardens. It displays tall, elegant spikes of bright yellow flowers with purple centres from summer to autumn, attracting bees and butterflies. This charming plant adds vertical interest with minimal fuss.

1595 in stock

£5.58
3 – 9 pieces
£5.33 (5% off)
10 – 24 pieces
£4.86 (13% off)
25+ pieces
3
Verbascum nigrum
£16.74

Discover Verbascum nigrum, a charming perennial offering stately flower spikes and a magnet for pollinators in UK gardens, thriving with minimal fuss.

Known commonly as Dark Mullein or Black Mullein, this delightful plant brings an elegant, vertical accent to any planting scheme. It is a native of much of Europe, including parts of the UK, and adapts well to various garden settings. Verbascum nigrum forms a basal rosette of soft, textured leaves, from which tall, slender flower stems emerge. These stems are adorned with a profusion of bright flowers throughout the summer months, inviting a host of beneficial insects into your outdoor space.

Key Features of Verbascum nigrum

  • Tall, elegant flower spikes reaching up to 1.2 metres.
  • Features bright yellow flowers, often with striking purple centres.
  • Forms a neat basal rosette of dark green, crinkled leaves.
  • Flowers reliably from early summer well into autumn.
  • Highly attractive to bees, butterflies, and other vital pollinators.
  • An excellent choice for adding vertical interest to borders and wild gardens.
  • Hardy perennial suitable for a wide range of UK garden conditions.

Understanding Verbascum nigrum: Naming and Appearance

The name Verbascum comes from the Latin word ‘barbascum’, meaning ‘bearded’. This refers to the hairy stamens found on many species within the genus. The specific epithet ‘nigrum’ is Latin for ‘black’ or ‘dark’. This probably refers to the dark green foliage. It can also hint at the occasionally dark-tinged stems of this plant.

Verbascum nigrum grows as an attractive clump. It forms a dense rosette of dark green leaves at its base. These leaves feel somewhat rough. They contrast well with the smooth, upright flower stems. During the flowering period, numerous small, cup-shaped flowers open sequentially. They appear along the impressive spikes. Each bloom typically displays five bright yellow petals. These are often highlighted by a distinct cluster of purple stamens in the centre. This striking colour combination adds significant visual interest to your garden.

Garden Uses and Wildlife Appeal

Dark Mullein is perfectly suited for various garden styles across the UK. It integrates beautifully into traditional cottage gardens. It also lends an air of classic charm. Furthermore, its upright habit makes it a superb choice for mixed borders. Here, it provides a strong vertical element amongst softer, mounding plants. Verbascum nigrum also shines in wildflower meadows. Or consider naturalised planting areas. Its ability to self-seed gently allows it to establish charming colonies.

A significant benefit of cultivating Verbascum nigrum is its strong appeal to local wildlife. Bees, especially bumblebees, frequently buzz around its abundant flowers. They collect nectar and pollen. Butterflies also visit these vibrant blooms. This adds dynamic movement to your garden. To encourage further flowering, simply deadhead spent flower spikes. This action can prompt the plant to produce a second flush of blooms. This extends its season of interest well into late summer and early autumn.

Max Height 1.20 at maturity
Max Spread 0.60 at maturity
Growth Rate Average
Average growth
Position
Full Sun Partial Sun
Soil Type
Loam Sandy Chalk Silt
H7 H7 – Very hardy

Hardy in the harshest UK conditions and below. Suitable for mountain regions.

−25°C +15°C
Typical minimum: Below -20°C

Care Notes

Verbascum nigrum is generally low maintenance. Water regularly until the plant is established, after which it becomes drought tolerant. Feeding is typically not necessary in average soil, but a light, balanced fertiliser can be applied in spring if the soil is poor. Deadhead spent flower spikes promptly to encourage a second flush of blooms, extending the flowering season. After the final flush, cut back all flowering stems to the basal rosette or leave seed heads for winter interest and bird food. Verbascum nigrum is largely trouble-free regarding pests and diseases, though good air circulation helps prevent powdery mildew. Being fully hardy, it requires no special winter protection in most UK gardens.