A large tree with hanging branches overlooking a yellow field.

Summer Season

In the summer, trees are in full growth mode, with active photosynthesis, leaf expansion, and root development. This is when trees work hardest to produce energy and nutrients. However, high temperatures, drought, pests, and storms can stress trees, especially if they’re not properly cared for.

Mulch to Retain Moisture

Add a fresh 2–4 inches of mulch around the base, keeping it away from the trunk. This helps reduce evaporation, maintains soil temperature, and controls weeds.
(Trick: Keep mulch layer even, ensuring roots can breathe while staying cool.)

Deep Watering

Trees need deep watering, especially during dry spells. Water deeply once a week rather than shallow, frequent watering to encourage deep root growth.
(Trick: Water early in the morning to avoid evaporation and prevent fungus growth.)

Monitor for Pests & Disease

Summer brings increased pest activity. Watch for aphids, beetles, caterpillars, and borers, as well as signs of fungal diseases like powdery mildew.
(Trick: Early detection is key! Regularly inspect leaves and branches.)

Prune After Active Growth

Prune dead or diseased limbs in summer, but avoid heavy pruning during the growing season to prevent stress.
(Trick: Prune trees in early summer for the best wound healing and minimal sap loss.)

Ensure Proper Airflow & Sunlight

Thin out overcrowded branches to improve airflow and allow sunlight to reach lower parts of the tree. This helps prevent fungal diseases and ensures healthy growth.
(Trick: Prune trees after the spring growth surge to avoid cutting too much.)

Provide Shade to Vulnerable Trees

Young trees, especially those with thin bark, are more vulnerable to sunscald. Protect them with shade cloth or wrap their trunks during the hottest days.
(Trick: Choose breathable wraps to prevent heat buildup.)

Check for Storm Damage or Weak Limbs

Summer storms can cause damage, so ensure limbs are sturdy and free of any dead or broken branches.
(Trick: Be proactive! Schedule a tree check-up before the storm season starts.)

Additional Summer Tree Prep & Tips

Protect Newly Planted Trees:
New trees are still establishing roots and need consistent care. Water them regularly and apply mulch to help with moisture retention.
(Trick: Avoid fertilizing newly planted trees in summer—wait for fall.)

Ensure Tree Stakes Are Loosely Set:
If you've staked a young tree, make sure the stakes aren’t too tight. This allows for natural trunk movement, which helps strengthen the tree.
(Trick: Remove stakes after the tree is well-established to avoid girdling.)

Check for Overhanging Limbs Near Power Lines:
Trim back branches that are too close to power lines to prevent storm damage and ensure safety.
(Trick: Hire a professional arborist for safe power line trimming.)

Add Tree Fertilizer (Only If Needed):
If you notice yellowing leaves or slow growth, a light, slow-release fertilizer may help. But avoid fertilizing during a drought, as it can stress trees further.
(Trick: Do a soil test before fertilizing to ensure the right nutrients.)

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A sunlit forest path surrounded by tall trees and fresh green foliage.