Pruning Trees and Shrubs — When, Why, and How

Pruning is one of the highest-impact and most frequently botched jobs in the garden. Done right, it strengthens the plant, improves yield, and shapes form. Done wrong, it cuts flowering or opens the door to disease.

Why we prune

• Health — removing dead, diseased, and crossing branches
• Form — building the desired structure
• Yield — improving fruit quality and quantity on fruit trees
• Safety — clearing hazardous limbs over buildings and paths

The golden rule: when

• Fruit trees — late winter, before leaf-out (February–March). Exception: stone fruit (peach, plum) — in summer, to reduce infection risk.
• Spring-flowering shrubs (forsythia, lilac) — right after blooming. Prune in winter and you remove the flower buds.
• Summer-flowering shrubs — late winter or early spring.
• Hedges — mid-to-late summer, when growth slows.
• Ornamental trees — while dormant, in winter.

Technique basics

1. Clean, sharp tools — a crushed cut heals slowly and invites infection
2. Cut above a bud — 5 mm above, angled, toward an outward-facing bud
3. The three-cut method for large limbs — so the bark doesn't tear
4. Never remove more than 25–30% in one season

Common mistakes

• "Topping" — cutting the main leader, which weakens and disfigures the tree
• Pruning after-flowering shrubs in winter
• Not disinfecting tools after working a diseased plant

When to call a professional

Tall trees, limbs near power lines, or tree-risk assessment are a professional's job — for safety and for the tree's health. Dr. VERDE offers seasonal agrotechnical works, including tree and shrub pruning and shaping, and for ongoing care a yard care subscription where hedge and shrub shaping happens on every visit. For vine-specific pruning, see the vineyard & orchard guide.