What We're Seeing Out There This April
April doesn't look like much yet, but we've been on properties across the Pioneer Valley all week and the picture is consistent. This past winter was harder on trees than it looked.
The late February freeze-thaw cycles were the main culprit. When ground temperatures swing that dramatically in a short window you get bark splits, stress fractures at branch unions, and root damage that doesn't announce itself right away. The problem with freeze-thaw injury is that the tree doesn't show you what happened until it's under stress. Right now, with buds just breaking and canopies still thin, a damaged tree and a healthy tree can look identical from your driveway. Come July, when that tree is carrying a full load of leaves through a stretch of summer storms, the difference shows up fast. We've seen trees come down in August that gave no visible warning signs in spring. The warning signs were there, they just weren't visible from the ground.
What we're doing on property visits right now is working through the canopy systematically, looking at bark condition, branch unions, and how last year's growth responded to stress. On a lot of properties we're finding that maples took the worst of it this winter, particularly older trees with existing wound wood or previous pruning cuts that weren't quite right. Oaks are showing some bark damage too, especially on south-facing exposures where the temperature differential between sun and shade created the most dramatic freeze-thaw swings.
The other thing that's time-sensitive right now is the dormant pruning window. For most hardwoods in Western Mass, the next few weeks are the tail end of the period where we can do serious structural work cleanly. Trees are still holding just enough dormancy that large cuts seal well and disease pressure is low. Once full leaf-out hits, certain species need to wait until midsummer or fall for major work. That's not the end of the world, but it does mean another season of carrying structural problems that could be resolved now. If there's a tree on your property you've been watching, or work that got pushed from last fall, this is genuinely the right window to get it done.
We're booking into May already and the schedule tightens up fast once the weather stabilizes. Reach out now and we'll get a certified arborist out to walk your property before the busy season takes over.
Two Pest Situations Western Mass Homeowners Need to Know About Right Now
Spring is when the pest calendar gets active in a hurry and there are two situations heading into this season that we think every property owner in Hampshire and Franklin counties should understand before we get much further into April.
The first is spongy moth. Egg masses are already on trees throughout the region right now. If you had defoliation on your oaks or other hardwoods last summer, those trees came out of winter already running a deficit. They burned through stored energy trying to push new leaves after the first set got eaten, they had less time to photosynthesize, and they went into dormancy with less in reserve than a healthy tree. A second defoliation event this season on the same weakened trees is a serious situation. It's not a guarantee of death, but it puts mature trees into a stress spiral that can take years to recover from, and for older trees or trees already dealing with other issues it can be fatal. The most effective treatments need to go on before the eggs hatch and the caterpillars start feeding. We're in that window right now. Once they're out and eating, the options narrow considerably and the damage is already happening.
The second is Emerald Ash Borer. EAB has been in the Connecticut River Valley for several years now and it is not going away. If you have ash trees on your property that haven't been assessed by an arborist, this is the year to do it. The reason timing matters is that preventative treatment with systemic insecticide works well on a healthy ash. It's cost-effective and it buys the tree years. But once a tree starts showing decline from EAB, the treatment math changes. A tree that's lost more than thirty percent of its canopy to borer damage is generally past the point where treatment makes sense, which means removal is the call. And ash removal, particularly on large mature trees, is among the most labor-intensive work we do because the wood becomes brittle and unpredictable as the tree declines. It is significantly more expensive than removing a healthy tree. Getting an assessment done now, while your ash trees are still in good shape, gives you real options. Waiting until the decline is visible from the ground means most of those options are already off the table.
Both of these situations are manageable when we get ahead of them. Neither one gets easier the longer it sits.
Call us or reach out through the website to get a certified arborist out to your property.
