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Hebe 'Emerald Gem' AGM

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© RHS

Characteristics

Plant type

Shrub

Habit

Bushy

Resilience

Hardiness

H4 (hardy - average winter)

Colour

Flower

White in Summer

Foliage

Green in Autumn, Spring, Summer and Winter

Size

Ultimate height

0.1-0.5 metres

Ultimate spread

0.1-0.5 metres

Time to ultimate height

5-10 years


Preferred common name

hebe 'Emerald Gem'

Family

Plantaginaceae


Hebe are evergreen shrubs or small trees, with paired, simple leaves and racemes or spikes of small, 4-lobed, tubular to salver-shaped flowers in summer and autumn

'Emerald Gem' is a dwarf evergreen shrub making a compact rounded bush to 30cm tall, with upright shoots densely covered with tiny, pointed leaves, and small white flowers appearing sparsely in summer

How to grow

Sunlight

  • Full sun
  • Part shade

Aspect

  • South-facing, North-facing, West-facing or East-facing
  • Sheltered

Cultivation

Grows well in poor to moderately fertile soil in sun or partials shade with protection from cold, drying winds. Tolerant of some pollution and can also be grown in a cool glasshouse in a loam-based compost with shade from hot sun

Soil

  • Well-drained or Moist but well-drained
  • Alkaline or Neutral
  • Sand, Clay, Chalk or Loam

Propagation

Propagate by seed sown in containers in a cold frame as soon as ripe. Cultivars will not come true. Root semi-hardwood cuttings in late summer or autumn with added bottom heat

Suggested planting locations and garden types

Banks and Slopes, City/Courtyard Gardens, Coastal, Cottage/Informal Garden, Garden Edging, Flower borders and beds, Gravel Garden, Patio/Container Plants or Rock Garden


How to care

Pruning

Pruning group 9

Pests

aphids may be a problem

Diseases

A leaf spot and a downy mildew may be a problem