Are the scorching summers taking a toll on your trees? As a trusted provider of tailored tree services in Boulder, CO, we at Arbortec Tree Service know how to help arboreal specimens bounce back from hot spells. Read on as we lend some insight.
The Signs of Heat Stress in Trees
Can trees recover from heat stress? Before we dive into recovery methods, it’s crucial to spot the symptoms first. Heat stress in trees happens when high air temperatures, intense sunlight, and dry winds force water to evaporate from leaves faster than roots can absorb moisture from the soil.
This water deficit can reduce the tree’s ability to maintain normal functions, including photosynthesis and growth. Prolonged heat stress may also weaken the tree and leave it more vulnerable to damage from pests, diseases, and environmental pressures. Possible symptoms include:
- Branch dieback or dead twigs at the crown
- Leaves turning yellow or brown at the edges
- Scorched, wilting, or curling foliage
- Premature leaf drop
- Reduced growth or sparse leaf canopy
How To Help a Tree Recover From Heat Stress
If you suspect you have a heat-stressed specimen, you need to restore its water balance and protect its delicate tissues. Consider the following steps.
Water the Right Way
Water the tree deeply and slowly at the drip line (the ground directly beneath the canopy edge), not just near the trunk. This encourages water to sink further into the soil and reach more roots. Do this in the early morning so the tree can soak up more moisture before it evaporates.
Apply Organic Mulch
Spread a three-to-four-inch layer of wood chips or bark under the canopy to insulate the soil. Keep the mulch a few inches away from the trunk to prevent rot. Mulch regulates the soil temperature and reduces water loss from evaporation, giving the roots a stable environment to heal.
Provide Temporary Shade
If the tree is fairly small, you can rig up a shade cloth or a porous fabric over the side that faces the hot afternoon sun. This helps lower the temperature of the leaves and reduces the rate of transpiration, which is when the tree loses water through its leaves. The shade material should allow air to move freely around the branches.
Delay Major Pruning
Leave your specimen’s leaves and branches alone for now, even when they look dead or dry. Pruning potentially removes parts of the tree that might still be alive and causes further stress. Unless it’s for pressing safety concerns, consider waiting until the tree recovers before removing any dead wood.
Professional Tree Care During Hot Weather in Boulder
Can trees recover from heat stress? Absolutely, and if you need assistance, Arbortec Tree Service has you covered. Our team knows the ins and outs of mitigating and preventing heat stress in trees. Your particular specimen may also be suffering from something else, and we can help identify the problem.
Contact us today to schedule an assessment. We also encourage you to read our blog post on choosing the right tree care company.