• AGM plants

    AGM plants have been through a rigourous trial and assessment programme. They are:

    • Excellent for ordinary use in appropriate conditions
    • Available to buy
    • Of good constitution
    • Essentially stable in form & colour
    • Reasonably resistant to pests & diseases

Hebe hulkeana

New Zealand lilac

New Zealand lilac

© � RHS

  • Other common names New Zealand lilac

  • Genus 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

  • Family Plantaginaceae / Plantaginaceae

  • Species H. hulkeana is a small evergreen shrub of open growth, with glossy, toothed oval leaves, often red-edged. Flowers pale lilac, in very large, open panicles

  • Plant range New Zealand (S.Island)

Characteristics

  • Foliage Evergreen

  • Habit Bushy

Colour

Sunlight

  • Full Sun

  • Aspect South-facing or North-facing or West-facing or East-facing

  • Exposure Sheltered

Soil

  • Chalk

    Sand

  • Chalk

    Clay

  • Chalk

    Chalk

  • Chalk

    Loam

  • MoistureWell-drained, Moist but well-drained

  • SoilSand, Clay, Chalk, Loam

  • pHAlkaline, Neutral

Size

  • Ultimate height

    0.1-0.5 metres

  • Ultimate spread

    0.1-0.5 metres

  • Time to ultimate height

    2-5 years

How to grow

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

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 Flower borders and beds City & Courtyard Gardens Coastal Cottage & Informal Garden Patio & Container Plants

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

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