Your Trees Are Overgrown, Storm Season Is Coming, and Most of You Are About to Make It Worse
I've spent forty-some years watching people tinker with their trees, and I can tell you with absolute certainty: March is when the real damage happens. Not the ice storms. Not the wind. The damage comes from folks with chainsaws and confidence in equal measure, hacking away at limbs without any real plan. Listen, I know I'm a large, somewhat fuzzy creature living under a fallen Douglas fir, but I've learned a thing or two about tree architecture that might actually save you money and maybe even a lawsuit.
A few summers back I watched a neighbor spend three weekends removing massive branches from his 40-year-old maple. By the time he finished, he'd opened up so many wounds that the tree spent the next two years just trying to compartmentalize the damage. He meant well. But he didn't know the difference between a flush cut and a proper branch collar removal, and that tree paid for it. That's what we're fixing this spring.
Why March and April Matter More Than You Think
Trees wake up slow in the Pacific Northwest. Right now—late winter into early spring—is the exact moment when your trees are thinking about growth but haven't fully committed to it yet. This is when their defenses are ready to work for you, not against you. Wait until June and you're cutting during peak growth season. Wait until fall and you're asking the tree to heal wounds when it's already tired. Now is the window.
Storm season doesn't announce itself. Spring rains come heavy, and by May and June you've got those surprise wind events that snap poorly structured branches. I'll tell you what, the trees that survive those events cleanly are the ones that had structural pruning done while they were still dormant. The ones that crack and tear? Those are the ones nobody touched.
The Five Cuts That Actually Matter
You don't need to remove 40% of your tree's canopy. You don't need to "open it up" so you can see sky through it. Most homeowners prune too much because they feel like they need to see results. Real spring tree pruning is about removing specific branches for specific reasons. Here are the five cuts you're actually making:
Cut 1: The Dead Wood (The Obvious One)
Look up into your canopy right now. See those gray, brittle branches that didn't leaf out last year? That's your starting point. Dead wood creates weight distribution problems and it invites disease. Remove anything obviously dead, cutting back to live wood. You'll know you've hit live wood when you see green or brown cambium under the bark, not gray.
Cut 2: The Crossing or Rubbing Branches
When two branches cross and knock against each other in the wind, they create open wounds on both. Pick the less structurally important branch and remove it entirely—not just trim it back. This usually means stepping back and deciding which branch has better angle and growth direction, then committing to removing its competitor.
Cut 3: The Weak Crotch Branches
Now here's the thing—not all angles are created equal. If two branches meet at a narrow V-angle (less than 45 degrees), that's a structural weakness waiting to split under snow or storm load. A wider U-angle is stronger. You're looking for branches that form that tight V and removing one of them. This is preventative storm damage work. Do this now and you won't have a branch hanging from a strip of bark in June.
Cut 4: The Downward or Inward-Pointing Growth
Branches that grow straight down or back into the center of the tree create crowding and poor air circulation. These also tend to be structurally weaker because they're working against the tree's natural growth pattern. Remove them. You want branches that grow outward and slightly upward—that's the tree's preference and it's also the strongest configuration.
Cut 5: The Sucker or Water Sprout Cluster
After winter damage or if you pruned hard last year, you'll see clusters of thin, vigorous shoots coming up from the base or from major branch wounds. These suckers look energetic but they're actually weak wood that won't contribute to your tree's structure. Remove them entirely, back to the branch or trunk they originated from. Don't just trim the tips—that makes them bushier.
What NOT to Do (The Mistakes That Kill Trees)
Most garden centers will point you toward wound dressing or pruning sealer—and look, it works fine, but you're mostly paying for the name and the illusion that you're helping. Trees compartmentalize wounds with their own chemistry. Sealing them actually traps moisture and slows healing. Skip it. Your cuts are your contribution. The tree handles the rest.
Don't make flush cuts. You know the look—cutting right flush with the main trunk so there's no stub. That removes the branch collar and the tree's natural protection zone. Leave that collar intact. It looks stubby, but it's the difference between a wound that heals and a wound that becomes a disease entry point.
Don't remove more than 25% of the canopy in one year. I see folks get ambitious and gut their trees, thinking they're "opening them up." You've just shocked the tree and created vulnerability. Spring tree pruning is about refinement, not reconstruction.
The Tools and Timing Matter
You don't need much. A sharp pruning saw with 8-10 teeth per inch will handle 80% of your work. Loppers work for anything under about an inch in diameter. Keep them sharp—dull tools bruise the wood and make jagged cuts that don't heal. A pole pruner saves your shoulders for branches 12-15 feet up, though folks, be honest about your balance and comfort with heights.
Timing-wise, folks, you're working in a window. Aim for March through mid-April in most of the Pacific Northwest. You want to prune while the tree is still dormant enough that it won't immediately bleed sap, but close enough to spring that it can respond and seal wounds quickly. After late April you're cutting into active growth season and the tree's energy gets divided.
Knowing When to Stop (The Hardest Part)
Step back every 15 minutes. Seriously. Look at your tree from different angles. Walk across the yard and look at it from the street. Your instinct is to keep going, to keep removing, to feel like you accomplished something. That instinct is wrong. When you first start to think the tree looks good, you're about 80% done. When it looks perfect to you, you've probably gone about 20% too far.
The best pruning jobs are the ones people don't really notice. The tree just looks more structured, more balanced, stronger. You're not supposed to look at it and say, "Oh, someone really worked on that tree." You're supposed to see a healthy tree with better branch architecture and improved storm resistance.
Get your pruning done in the next month, before things leaf out too far, and you've bought yourself peace of mind for storm season. Your trees will be stronger for it, and you won't spend June watching a branch hang by a thread of bark. That's worth a Saturday of work right there.