Teucrium hircanicum

RHS Plant Profile
Caucasian germander

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Caucasian germander RHS

Other common names

Iranian germander

Herbaceous Perennial
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A semi-evergreen, bushy perennial to 60cm tall with aromatic, coarsely-textured leaves and spikes of reddish-purple flowers held above the foliage in summer

Position

Full sun, Partial shade

Soil Types

Chalk, Loam, Sand

Max Height

0.5-1 metres

Max Spread

0.1-0.5 metres

Size

Time to Maturity
2–5 years
Max Spread
0.1-0.5 metres
Max Height
0.5-1 metres

Growing Conditions

Chalk Loam Sand
Moisture
Well–drained
pH
Alkaline or Neutral

Position

Full sun Partial shade
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)
H5

Colour & Scent

Fragrance Foliage
Season Stem Flower Foliage Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family
Lamiaceae
Native to GB/Ireland
No
Foliage
Semi evergreen
Habit
Bushy
Potentially harmful
Harmful if eaten. Wear gloves and other protective equipment when handling LJD
Genus
Teucrium can be herbaceous perennials, deciduous or evergreen shrubs or sub-shrubs, with paired, aromatic leaves and tubular, 1-lipped flowers in whorls
Name Status
Correct
Plant Range
Turkey to Iran

How to Grow

Cultivation

Grow in well-drained, preferably neutral to alkaline soil in full sun or partial shade; drought-tolerant once established

Propagation

Propagate by seed, by division or by softwood cuttings

Suggested planting locations and garden types

  • Cottage and informal garden
  • City and courtyard gardens
  • Patio and container plants
  • Wildlife gardens
  • Flower borders and beds

Pruning

Prune in spring, trim any winter damaged foliage; deadhead regularly

Pests

Generally pest-free

Diseases

Generally disease-free