Monday, September 29, 2025

How to Prune Lavender: A Step-by-Step Guide

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Lavender is a garden favourite, but without pruning it soon turns woody and straggly. With a simple yearly routine you can keep it compact, healthy and full of flowers.


Tools You’ll Need

  • Sharp secateurs or small shears
  • Gloves (lavender stems can be scratchy)
  • Trug or bucket for clippings

When to Prune Lavender

  • Main prune: Late summer to early autumn (August–September), just after flowering.
  • Light tidy: Spring (April), to remove frost damage and reshape.

How to Prune Lavender in Late Summer

  1. Wait until flowers fade – once blooms are past their best, get ready to prune.
  2. Remove spent flower stems – cut flower stalks down into the leafy growth.
  3. Trim the green growth – take off 5–7 cm (2–3 inches) of soft new stems.
    • ✅ Always leave some green shoots.
    • ❌ Never cut into bare, woody stems – they don’t regrow.
  4. Shape into a dome – prune evenly so the plant forms a neat mound.
  5. Clear clippings – collect and compost trimmings.

Example: Pruning a Healthy Young Lavender

[Insert Image: lavender-young.png]
Caption: Cut just into the green growth, avoiding the woody base.


Light Spring Tidy

  1. Check for winter damage – snip off any dead or blackened tips.
  2. Even up the shape – trim straggly shoots to restore the dome.
  3. Keep it light – the main shaping was done in late summer.

Example: Pruning an Older Woody Lavender

[Insert Image: lavender-woody.png]
Caption: Cut above the woody stems – never into bare wood.


Extra Tips for Success

  • Young plants (1–2 years): Pinch back tips after flowering to encourage bushy growth.
  • Older plants (5+ years): If they’ve gone very woody, replace them or take cuttings.
  • Cold areas: Do a lighter prune in autumn to stop wind damage, then finish shaping in spring.

Key Routine to Remember

  • Late summer – main prune (after flowering).
  • Spring – light tidy (to refresh and remove frost damage).

Local Gardener
TEL : 07984 112537, info@localgardener.org, 124 City Rd, London EC1V 2NX

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