top of page

Why Late Spring Is the Best Time for Tree Trimming: Expert Arborist Advice

  • Writer: Nicole Chicas
    Nicole Chicas
  • May 13
  • 2 min read

Timing is everything when it comes to tree trimming. Trim too early or too late, and you risk disease, stress, or poor healing. Late spring strikes the perfect balance: trees are fully leafed out, wounds close quickly, and you’ll encourage healthy summer growth. Here’s why May and June are your trimming sweet spot—and how to take advantage.




Understanding Tree Growth Cycles


Trees go through distinct phases each year:


  • Dormant (Winter): Minimal sap flow; cuts heal slowly.

  • Early Spring: Buds swell; cutting now can invite disease.

  • Late Spring: Full leaf canopy + strong sap flow → rapid wound closure.

  • Summer/Fall: Trimming stresses the tree and invites pests.



By pruning in late spring, you work with your tree’s natural healing process.



Key Benefits of Late Spring Pruning


  • Disease Resistance: Active sap flow pushes out pathogens before they settle in.

  • Better Visibility: Full foliage lets you clearly see branch structure for precise cuts.

  • Encouraged Growth: Proper cuts now direct energy toward healthy shoots, filling gaps in the canopy.

  • Safer Conditions: Dry weather reduces the risk of slip hazards underfoot.




Which Trees to Trim in Late Spring


While most deciduous trees benefit now, here are a few prime candidates:


  • Maple & Oak: Strong spring sap flow aids wound closure.

  • Birch & Elm: Quick-healing varieties—prune before summer pests peak.

  • Fruit Trees (Apple, Cherry): Encourages robust flowering and fruit set.



Evergreens and pines generally fare better with light trimming in late winter or early summer—so hold off on heavy cuts.



DIY Tools & Safety Tips


If you’re tackling small branches yourself, keep these in mind:


  1. Use the Right Tools


    • Bypass pruners for limbs up to ¾″

    • Loppers for 1–2″ branches

    • Pruning saw for anything larger


  2. Wear Protective Gear


    • Safety glasses, gloves, sturdy boots

    • Hard hat if you’re working under heavy limbs


  3. Follow the Three-Cut Method for large limbs:


    • Undercut 6–12″ from trunk

    • Top cut through the branch

    • Final cut at the collar to promote healing


  4. Never Overreach


    • Use proper ladders or pole saws; don’t stand on unsecured surfaces.



When to Call a Professional Arborist


Know your limits:


  • Height & Equipment: If a branch is above your safe reach or you need ropes/cranes.

  • Complex Cuts: Shaping for utility-line clearance or structural pruning.

  • Disease Concerns: Visible fungus, cankers, or unexplained dieback.



A certified arborist will ensure safe, effective pruning—and can advise on long-term care.




Ready to trim for a healthier, more beautiful canopy? Let our certified arborist ensure your trees thrive all season long.


Comments

bottom of page