Verbascum luridiflorum 'Blue Lagoon'PBR
mullein 'Blue Lagoon'
A biennial or short-lived perennial producing upright stems to 75cm, growing from a rosette of basal leaves. Flowers are borne in loose spikes, opening in flushes throughout the summer. Petals of the flat flowers are blue, the centre of the flower and the protruding stamens are purplish with flecks of white
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Size
Ultimate height
0.5–1 metresTime to ultimate height
1–2 yearsUltimate spread
0.1–0.5 metresGrowing conditions
Moisture
Well–drainedpH
AlkalineColour & scent
| Stem | Flower | Foliage | Fruit | |
| Spring | Green | |||
|---|---|---|---|---|
| Summer | Blue | Green | ||
| Autumn | ||||
| Winter |
Position
- Full sun
Aspect
South–facing or West–facing
Exposure
Exposed or Sheltered Hardiness
H4Botanical details
- Family
- Scrophulariaceae
- Native to GB / Ireland
- No
- Foliage
- Deciduous
- Habit
- Bushy
- Genus
Verbascum can be annuals, biennials, perennials or subshrubs mostly with hairy leaves and 5-petalled, saucer-shaped flowers
- Name status
Accepted
How to grow
Cultivation
Requires an alkaline, well-drained, poor soil in full sun. In fertile soil plants grow larger and need staking - see staking perennials
Propagation
Propagate by root cuttings in winter, or division in spring
Suggested planting locations and garden types
- Coastal
- City and courtyard gardens
- Cottage and informal garden
- Gravel garden
- Wildlife gardens
- Flower borders and beds
Pruning
Cut back old flower stems once flowering has finished
Pests
Figwort weevil and some moth caterpillars may be a problem
Diseases
Prone to powdery mildew
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