• 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

Vaccinium corymbosum 'Spartan' (F)

Blueberry 'Spartan'

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
Blueberry 'Spartan'

© � RHS

  • Other common names Blueberry 'Spartan'

  • Genus Vaccinium can be evergreen or deciduous shrubs or small trees, with simple leaves and small, bell- or urn-shaped flowers followed by juicy, sometimes edible berries

  • Family Ericaceae / Ericaceae

  • Species 'Spartan' is a bushy deciduous shrub to 1.5m tall, with small leaves turning yellow and red in autumn, and small whtie flowers in late spring and early summer, followed by large, good-flavoured, blue-black berries in mid to late summer

Characteristics

  • Foliage Deciduous

  • Habit Bushy

  • 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)
    Old hardiness ratings

    While we update our systems with the new hardiness ratings you may still see old hardiness ratings in your search results. These are denoted as 'Old'.

    • H1 - Requires heated glass
    • H2 - Requires unheated glass
    • H3 - Hardy outside in some regions of the UK
    • H4 - Hardy throughout the UK
    • H1 + H3 - Requires heated glass but may be grown outside in summer

    For full details of the hardiness ratings see

    see more

    H6

Colour

Sunlight

  • Full Sun

  • Partial Shade

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

  • Exposure Sheltered

Soil

  • Chalk

    Sand

  • Chalk

    Loam

  • MoistureMoist but well-drained

  • SoilSand, Loam

  • pHAcid

Size

  • Ultimate height

    1-1.5 metres

  • Ultimate spread

    1-1.5 metres

  • Time to ultimate height

    5-10 years

How to grow

Cultivation Plant a sheltered site in well-drained, moisture-retentive, acidic soil, (pH 4.5-5.5) in sun or part shade. Alternatively grow in containers or raised beds filled with ericaceous compost such as John Innes Ericaceous. Pot grown plants benefit from winter protection. For optimal pollination and yield plant three different cultivars. For further cultivation details see blueberry cultivation

Propagation Take 10-15cm (4-6in) softwood cuttings in late spring or semi-ripe cuttings in early summer

Suggested planting locations and garden types Flower borders and beds City & Courtyard Gardens Coastal Cottage & Informal Garden

How to care

Pruning More mature plants benefit from regular pruning ? see pruning blueberries

Pests Watch out for vine weevil, especially if container grown

Diseases Can be affected by powdery mildews. Chlorosis due iron and mangenese deficiency may be a problem - see nutrient deficiency

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