Phlomis lanata

RHS Plant Profile

woolly Jerusalem sage

RHS 2002

Shrubs

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A compact evergreen shrub with sage-like grey-green leaves to 2.5cm in length, with whorls of deep yellow flowers 2cm in length in summer

Position

Full sun

Soil Types

Chalk, Loam, Sand

Max Height

0.1-0.5 metres

Max Spread

0.5-1 metres

Size

Time to Maturity: 5–10 years
Max Spread: 0.5-1 metres
Max Height: 0.1-0.5 metres

Growing Conditions

Chalk Loam Sand

Moisture: Moist but well–drained or Well–drained
pH: Acid or Alkaline or Neutral

Position

Full sun

Aspect: South–facing or West–facing or East–facing
Exposure: 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): H4
Drought Resistance: Yes

Colour & Scent

Season	Stem	Flower	Foliage	Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family: Lamiaceae
Native to GB/Ireland: No
Foliage: Evergreen
Habit: Bushy
Genus: Phlomis can be herbaceous perennials or evergreen shrubs, with sage-like leaves and whorls of tubular, hooded flowers over a long period in summer
Name Status: Correct
Plant Range: Crete

How to Grow

Cultivation

Easy to grow in any well-drained fertile soil in full sun. Seed heads can be left over winter for their effect

Propagation

Propagate by softwood cuttings in summer or division in the spring. Propagate by seed in late spring under cover

Suggested planting locations and garden types

Cottage and informal garden
Mediterranean climate plants
Coastal
City and courtyard gardens
Wildlife gardens
Low Maintenance
Flower borders and beds

Pruning

Pruning group 8 or pruning group 9

Pests

May be susceptible to leafhoppers

Diseases

May be susceptible to honey fungus (rarely)