
Winter Pest Control: Natural Solutions for South African Gardens in 2025
July 9, 2025Photo: Ants eating sap on a tree stump in Styrsö, Sweden by Max Ronnersjö, licensed under CC BY‑SA 3.0 via Wikimedia Commons.
Tree stumps might look harmless, but they often invite unwanted visitors. Left untreated, they become a breeding ground for insects and rodents. How to tell if your tree stump is causing pest problems starts with observing subtle changes in your garden.
Check for Sawdust or Wood Shavings
First, look around the stump’s base for small piles of sawdust. These often signal carpenter ants or termites. If you spot fine, dry shavings or tiny holes, pests may already be nesting inside the wood.
Look for Ant Trails and Termite Tubes
Next, inspect the area for steady ant traffic. Ants often use stumps as entry points into your yard. Termites, on the other hand, leave behind thin mud tubes along the stump or nearby surfaces. These tubes protect them from sunlight and predators.
Watch for Fungus or Mold
Fungal growth on or near the stump indicates decay. While fungi alone aren’t pests, they create the perfect environment for insects. Mold also attracts small flies and gnats that may spread to other parts of your garden.
Notice New Holes in the Soil
Sometimes, you won’t see pests—but you’ll notice signs of them underground. Holes around the stump can indicate rodents or burrowing insects. Small animals like mice or moles may shelter in decaying roots.
Monitor Nearby Plant Health
Pests living in stumps don’t always stay there. If nearby plants show sudden stress—wilting, yellowing, or stunted growth—infestation might be spreading. This is another clue for how to tell if the stump has become a pest hotspot.
What to Do Next
If you see any of these signs, act quickly. Remove the stump or contact a professional for safe extraction. Stump grinding, chemical treatments, or complete removal will help stop the infestation from spreading.
Tree stumps aren’t just unsightly—they can cause long-term damage. Spotting early signs ensures you protect your garden from unwanted pests.