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Lavandula angustifolia 'Imperial Gem' (English lavender 'Imperial Gem')

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Variety or Cultivar
'Imperial Gem' is a compact, upright, bushy, evergreen shrub with linear, aromatic, grey-green leaves and dense spikes of tiny, fragrant, deep purple flowers throughout summer.
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Season of interest

Flower

Spring Summer Autumn Winter
Flower

Foliage

Spring Summer Autumn Winter
Foliage
Height and spread

Height and spread

Size Max height Max spread To maturity
0.5 m 0.5 m 2-5 years
1 ft 1 ft 2-5 years

Where to grow

Soil type
  • Chalky
  • Clay
  • Loamy
  • Sandy
Soil drainage
  • Well-drained
Soil pH
  • Acid
  • Alkaline
  • Neutral
Sunlight
  • Full Sun
Aspect
  • East
  • West
  • South
Exposure
  • Sheltered

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Additional plant details

Cultivation

Plant in well-drained soil in a sheltered, sunny position.

Suggested uses

Banks and Slopes, Gravel, Containers/Patio, Rock, Coastal, Flower Arranging, Beds and borders, Mediterranean, Cottage/Informal, City, Drought Tolerant, Wildlife, Flavouring food and drinks, Garden edging

UK hardiness

H5

USDA zones

Zone 5, Zone 6, Zone 7, Zone 8, Zone 9, Zone 10

Sunset zone

4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 2, 3

WUCOLS

North-Central Coastal = Low
Central Valley = Low
South Coastal = Low
South Inland = Low
High and Intermediate Desert = Moderate/Medium
Low Desert = Inappropriate

Foliage

Evergreen

Habit

Bushy, Clump-forming

Native to

Garden origin

Drought tolerant

Yes

Flood tolerant

No

Fragrance

The flowers are highly scented. Good for drying.

Toxicity

Not toxic

Plant care

Pruning

Pruning group 10

Propagation methods

Semi-hardwood cuttings

Pests

Cuckoo spit

Rosemary leaf beetle

Diseases

Grey mould

Take semi-hardwood cuttings in late-summer

Plant container grown plants in a sunny sheltered spot

Add grit to clay soils to improve the drainage

Check for waterlogging during winter (optional)

Plant container grown plants in moderately fertile, well-drained soil

Prune lavender

Plant in neutral to alkaline soil (autumn or spring)

Other plants

Plants in this Genus (0)

Lavandula

Companion plants (5)

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Borago officinalis 'Alba'
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Borago officinalis 'Alba' White borage
Borago pygmaea
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Borago pygmaea Bell-flowered borage
Sternbergia lutea
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Sternbergia lutea Winter daffodil
Vitis coignetiae
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Vitis coignetiae Crimson glory vine
Borago officinalis
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Borago officinalis Borage
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