Pocket BotanistCheck these first
- Check the soil moisture 6 inches deep near the drip line.
- Inspect the leaves for signs of salt damage if near a road.
- Examine the tree for any signs of recent drought stress.
Likely causes
Dehydration
Most likelyHow to tell: The leaf edges look crispy and dry, often curling slightly inward. This happens when the root zone lacks enough water to support the canopy.
What to do: Water the tree deeply once every 7 to 14 days during dry spells. Ensure the water reaches 12 to 18 inches deep into the soil to hydrate the entire root system.
Salt accumulation
PossibleHow to tell: Brown tips appear even when the soil feels moist, often after a winter with road salt usage. The salt builds up in the soil and prevents the roots from absorbing water.
What to do: Flush the soil around the base of the tree with a large volume of fresh water in early spring. This helps leach excess salts away from the root zone.
Find out what's wrong with your sugar maple
The list above covers the usual causes. Pocket Botanist looks at a photo of your actual plant and tells you the likely cause, how serious it is, and what to try first. Identification and a health check are free.
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When to worry
Worry if the browning spreads rapidly across the entire leaf surface or affects most of the canopy. Minor browning on a few leaves during a heatwave is usually normal.
Stopping it coming back
Apply a 3 inch layer of organic mulch around the base to retain soil moisture and keep roots cool.
Sugar Maple: brown tips? Check yours with a photo
Every plant is a little different. Take a photo of your sugar maple and Pocket Botanist tells you which cause is most likely, how serious it is, and what to try first. A few checks a day are free. Save the plant and you get care reminders timed for it.
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Questions people ask
- Should I trim off the brown tips?
- You can trim them for aesthetic reasons, but it is not necessary for the health of the tree. Use clean, sharp shears to cut just outside the green tissue.
- Can fertilizer cause brown tips?
- Yes, over fertilizing can lead to salt burn on the tips. Always follow label instructions and avoid applying fertilizer during extreme heat or drought.
Guides to these causes
More problems with Sugar Maple
This article was generated with AI on from the plant’s care profile and is general information, not horticultural advice. Read about how we build these guides.