Check these first
- Check the soil moisture level with your finger.
- Recall if you recently applied fertilizer.
- Examine the rest of the leaf for other spots or discoloration.
Likely causes
Inconsistent Watering
PossibleHow to tell: The edges and tips of the leaves turn dry and crispy because the plant cannot keep up with transpiration needs.
What to do: Water deeply every 2 to 4 days to keep the soil moisture steady. Apply a layer of mulch around the base to help the soil retain water.
Fertilizer Burn
PossibleHow to tell: Tips turn brown and brittle shortly after you have applied a high concentration of synthetic fertilizer.
What to do: Flush the soil with plenty of water to wash away excess salts. Avoid fertilizing for 2 to 3 weeks until the plant shows signs of new growth.
Find out what's wrong with your winter squash
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.
Scan with your phone's camera to get the app
Or go to pocketbotanist.app/get on your phone
When to worry
If the browning spreads rapidly toward the center of the leaf, it is a sign of severe stress. A little browning on the oldest leaves at the end of the season is normal.
Stopping it coming back
Maintain a regular watering routine and use balanced, organic fertilizer sparingly.
Winter Squash: brown tips? Check yours with a photo
Every plant is a little different. Take a photo of your winter squash 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.
Scan with your phone's camera to get the app
Or go to pocketbotanist.app/get on your phone
Get the app · Or check it from a photo now, free
Questions people ask
- Does this affect the fruit?
- Minor tip browning usually does not affect the fruit. However, severe stress can cause the plant to drop flowers.
- Should I cut off the brown tips?
- You can trim them with clean scissors if you want the plant to look neater. It will not hurt the plant.
Guides to these causes
More problems with Winter Squash
- Why is my winter squash plant drooping suddenly?
- What are these white spots on my winter squash leaves?
- Why are the leaves on my winter squash turning yellow?
- Why are there bugs on my winter squash?
- Why are my winter squash leaves curling?
- Why are my winter squash leaves falling off?
- Why is my winter squash not producing flowers?
- How do I fix root rot in my winter squash?
- Why is my winter squash plant growing so leggy?
Back to the Winter Squash guide
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.
