Overview

Verbascum 'Merlin' is a plant with a columnar upright habit in the genus Verbascum, part of the Scrophulariaceae family, with semi evergreen foliage. Verbascum 'Merlin' grows best in full sun, and tolerates most soils and alkaline pH. Its UK hardiness is rated H6. Suggested uses include cottage and informal garden, gravel garden, wildlife gardens and flower borders and beds.

About

Verbascum 'Merlin' is a cultivar of the genus Verbascum, commonly known as mullein, which belongs to the figwort family Scrophulariaceae. This plant has a columnar upright habit and semi-evergreen foliage, thriving best in full sun on south- or west-facing aspects. It prefers well-drained alkaline soils such as chalk, loam, or sand and is hardy in the UK to H6. Suitable for cottage and informal gardens, gravel gardens, wildlife gardens, and flower borders, it can be propagated by seed or root cuttings.

About the genus

Verbascum is a genus of over 450 species of flowering plants, common name mullein, in the figwort family Scrophulariaceae. They are native to Europe and Asia, with the highest species diversity in the Mediterranean.

Wikipedia contributors, "Verbascum", CC BY-SA 4.0 — Verbascum

Growing conditions

Best soil and position for Verbascum

Sunlight
Full sun
Soil type
Chalk, Loam, Sand
Soil pH
Alkaline
Soil moisture
Well-drained
Aspect
South-facing, West-facing
Exposure
Exposed, Sheltered
UK hardiness
H6

Plant details

Verbascum 'Merlin' size, habit and characteristics

Habit
Columnar upright
Foliage
Semi evergreen
Suggested uses
Cottage and informal garden, Gravel garden, Wildlife gardens, Flower borders and beds

Care notes

Pruning and caring for Verbascum 'Merlin'

Propagation
Seed, Root cuttings
Pest resistance
Mullein moth caterpillars, Figwort weevil
Disease resistance
Powdery mildews

Frequently asked questions

Where is the best place to plant Verbascum 'Merlin'?

Verbascum 'Merlin' prefers full sun. It suits exposed and sheltered positions.

What soil does Verbascum 'Merlin' need?

Verbascum 'Merlin' is adaptable and grows happily in most soil types, including chalk, loam and sand. It prefers alkaline soil. Aim for soil that stays well-drained.

Is Verbascum 'Merlin' hardy in the UK?

Verbascum 'Merlin' has an RHS hardiness rating of H6, meaning it is very hardy, tolerating -20 to -15°C across most of the UK.

How do I propagate Verbascum 'Merlin'?

Seed, Root cuttings.

From the Fenn Plants journal

More in the Verbascum genus

Browse all Verbascum →