• AGM plants

    AGM plants have been through a rigorous 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

Vitex agnus-castus f. latifolia

broad-leaved chaste tree

AGM plants

AGM plants have been through a rigorous 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
broad-leaved chaste tree

© RHS

  • Other common names broad-leaved chaste tree

  • Synonyms Vitex agnus-castus var. latifolia
    Vitex macrophylla misapplied

  • Family Lamiaceae

  • Genus Vitex are deciduous or evergreen trees and shrubs with palmate leaves and terminal sprays of tubular, two-lipped flowers

  • Details V. agnus-castus f. latifolia is a large, spreading, deciduous shrub with dark green, palmate leaves comprised of five or seven oval, pointed, aromatic leaflets. Branched sprays of small, purple (occasionally white or dark blue), fragrant flowers appear on the ends of the branches in early to mid-autumn

Characteristics

  • Foliage Deciduous

  • Habit Bushy

  • Fragrance Leaf

  • 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)

    H4

Colour

Sunlight

  • Full Sun

  • Aspect South-facing or West-facing

  • Exposure Sheltered

Soil

  • Sand

    Sand

  • Chalk

    Chalk

  • Loam

    Loam

  • MoistureWell-drained, Moist but well-drained

  • SoilSand, Chalk, Loam

  • pHAcid, Alkaline, Neutral

Size

  • Ultimate height 4-8 metres

  • Ultimate spread 4-8 metres

  • Time to ultimate height 10-20 years

How to grow

Cultivation Grow in any well-drained soil in full sun. In frost-prone areas shelter from cold, drying winds

Propagation Propagate by seed sown in autumn or spring, or take semi-ripe cuttings in summer

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

How to care

Pruning Pruning group 6

Pests Generally trouble free

Diseases Generally trouble free

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