Verbascum phoeniceum hybrids

RHS Plant Profile
mullein phoeniceum hybrids

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Herbaceous Perennial
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A range of short-lived perennials, with basal rosettes of slightly scalloped dark green leaves to 15cm long. Produce tall spikes of delicate saucer-shaped flowers in shades of white, pinks and purples, in late spring and early summer

Position

Full sun

Soil Types

Chalk, Loam

Max Height

0.5-1 metres

Max Spread

0.1-0.5 metres

Size

Time to Maturity
1–2 years
Max Spread
0.1-0.5 metres
Max Height
0.5-1 metres

Growing Conditions

Chalk Loam
Moisture
Well–drained
pH
Alkaline

Position

Full sun
Aspect
South–facing or West–facing
Exposure
Exposed or Sheltered
Hardiness

Hardiness Ratings

All ratings refer to the UK growing conditions unless otherwise stated. Minimum temperature ranges (in degrees C) are shown in brackets

  • H1A: under glass all year (>15C)
  • H1B: can be grown outside in the summer (10 - 15)
  • H1C: can be grown outside in the summer (5 - 10)
  • H2: tolerant of low temperatures, but not surviving being frozen (1 to 5)
  • H3: hardy in coastal and relatively mild parts of the UK (-5 to 1)
  • H4: hardy through most of the UK (-10 to -5)
  • H5: hardy in most places throughout the UK even in severe winters (-15 to -10)
  • H6: hardy in all of UK and northern Europe (-20 to -15)
  • H7: hardy in the severest European continental climates (< -20)
H6
Drought Resistance
Yes

Colour & Scent

Season Stem Flower Foliage Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family
Scrophulariaceae
Native to GB/Ireland
No
Foliage
Evergreen
Habit
Columnar upright
Genus
Verbascum can be annuals, biennials, perennials or subshrubs mostly with hairy leaves and 5-petalled, saucer-shaped flowers
Name Status
Unresolved

How to Grow

Cultivation

Grow in alkaline, poor, well-drained soil in a sunny position. Plants grown in fertile soil may need support, see staking (perennials)

Propagation

Propagate by seed, or by division in spring

Suggested planting locations and garden types

  • City and courtyard gardens
  • Coastal
  • Cottage and informal garden
  • Gravel garden
  • Wildlife gardens
  • Flower borders and beds

Pruning

Remove faded flower spikes

Pests

May be susceptible to moth caterpillars and figwort weevil

Diseases

May be susceptible to powdery mildews