Teucrium fruticans 'Azureum'

RHS Plant Profile

azure tree germander

Shrubs

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A small, lax evergreen shrub with white-felted shoots and small, ovate, glossy dark green leaves, white beneath. Terminal racemes of two-lipped, clear blue flowers 2.5cm long open in summer

Position

Full sun

Soil Types

Chalk, Loam, Sand

Max Height

1-1.5 metres

Max Spread

1-1.5 metres

Size

Time to Maturity: 5–10 years
Max Spread: 1-1.5 metres
Max Height: 1-1.5 metres

Growing Conditions

Chalk Loam Sand

Moisture: Well–drained
pH: Alkaline or Neutral

Position

Full sun

Aspect: West–facing or South–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): H3

Colour & Scent

Fragrance Foliage

Season	Stem	Flower	Foliage	Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family: Lamiaceae
Native to GB/Ireland: No
Foliage: 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: Accepted

How to Grow

Cultivation

Grow in a sheltered border with full sun or against a warm, sunny wall in well-drained neutral to alkaline soil

Propagation

Propagate by softwood cuttings in early summer, semi-ripe cuttings in midsummer, both with bottom heat

Suggested planting locations and garden types

City and courtyard gardens
Coastal
Cottage and informal garden
Wall side borders
Flower borders and beds

Pruning

Pruning group 7

Pests

Generally pest-free

Diseases

Generally disease-free