Thymus pulegioides 'Lemon King'

RHS Plant Profile
broad-leaved thyme 'Lemon King'

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Synonyms

Thymus serpyllum 'Citriodorus'

Plants for pollinators
Herbs - Culinary Shrubs

A dwarf, evergreen shrub with aromatic lemon-scented green foliage which turns bronze in spring and early winter. Purple-pink flowers with a dark burgundy-red centre appear in late spring to early summer

Position

Full sun

Soil Types

Chalk, Loam, Sand

Max Height

0.1-0.5 metres

Max Spread

0.1-0.5 metres

Size

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

Growing Conditions

Chalk Loam Sand
Moisture
Moist but well–drained or Well–drained
pH
Alkaline or Neutral

Position

Full sun
Aspect
East–facing or 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)
H5
Drought Resistance
Yes

Colour & Scent

Fragrance Flower Foliage
Season Stem Flower Foliage Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family
Lamiaceae
Native to GB/Ireland
No
Foliage
Evergreen
Habit
Matforming
Genus
Thymus are evergreen woody-based perennials, shrub or sub-shrubs with small aromatic leaves and terminal whorls of small, 2-lipped, tubular, purple, pink or white flowers in late spring or summer
Name Status
Accepted

How to Grow

Cultivation

Easy to grow in most well-drained, alkaline to neutral soils in full sun

Propagation

Propagate by division in spring. Semi-hardwood cuttings may be taken in mid- to late-summer although some bottom heat may be required

Suggested planting locations and garden types

  • City and courtyard gardens
  • Cottage and informal garden
  • Mediterranean climate plants
  • Patio and container plants
  • Coastal
  • Rock garden
  • Wildlife gardens
  • Flower borders and beds

Pruning

Pruning group 10

Pests

Generally pest-free

Diseases

Generally disease-free