PRUNING FOR SHRUBS

Prune in Early Spring

Prune hard to encourage lots of new growth to flower or for foliage or stem interest:

  • Butterfly Bush (Buddleia)
  • Smoke Tree (Cotinus)
  • Bluebeard (Caryopteris)
  • Roses (Rosa)
  • Redtwig (Cornus)
  • Beautyberry (Callicarpa)
  • Spiraea, summer blooming (Spiraea)

Prune to thin older shoots (20-30 %); minimal cut on remaining branches:

  • Hydrangea (Hydrangea)
  • Hardy Fuchsia (Fuchsia)
  • Summersweet (Clethra)
  • Pomegranate (Punica)

Prune for removal of crossing or unaesthetic branches only; minimal thinning and no hard pruning:

  • Witch Hazel (Hamamelis)
  • Magnolia (Magnolia)
  • Japanese Maple (Acer palmatum)
  • Crape Myrtle (Lagerstroemia)
  • Burning Bush (Euonymus alatus)
  • Holly (Ilex)
  • Manzanitas (Arbutus and Arctostaphylos)
  • Lilac (Syringa)

Prune immediately after flowering:

Prune lightly for shape or aesthetic; dead-head regularly:

  • Rhododendron and azalea (Rhododendron)
  • Camelia (Camelia)
  • Heaths and Heathers (Erica and Calluna)
  • Mexican Orange (Choisya)
  • Sweet Box (Sarcococca)
  • Oregon Grape (Mahonia)
  • Daphne (Daphne)
  • Viburnum – deciduous varieties (Viburnum)
  • Lavender (Lavendula)

Prune to thin older shoots (20-30%); cut remaining branches to strong branch or bud:

  • Forsythia (Forsythia)
  • Mock Orange (Philadelphus)
  • Beautybush (Kolkwitzia)
  • Spiraea, spring bloomers (Spiraea)
  • Deutzia (Deutzia)
  • Weigela (Weigela)
  • Barberry (Berberis)

Prune during growing season

Prune to “frame”, or shear to hedge:

  • Laurel (Prunus)
  • Photinia (Photinia)
  • Quince (Chaenomeles)
  • Blueblossom (Ceanothus)
  • Privet (Ligustrum)
  • Boxwood (Buxus)
  • Euonymus, evergreen types
  • Viburnum tinus
  • Abelia (Abelia)

Prune lightly to thin; encourage flowers that will fruit; prune early:

  • Aralia (Fatsia)
  • Cotoneaster (Cotoneaster)
  • Golddust (Aucuba)
  • Firethorn (Pyracantha)
  • Heavenly Bamboo (Nandina)

Prune lightly or pinch to limit sprawl and dead-head:

  • Gardenia (Gardenia)
  • Rockrose (Cistus)

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