How do I get rid of slugs in my greenhouse?

How to Control Slugs in Your Winter Gardenz Greenhouse

Slugs might be small, but they can cause big problems for greenhouse growers across Australia. These slimy pests love damp conditions and organic matter, making your greenhouse a prime target—especially during cooler months or after rain. If your seedlings are mysteriously vanishing overnight, slugs could be the culprits.

Left: Slugs on kale | Right: Slugs in a beer trap

Top Slug Control Methods for Aussie Greenhouse Growers

• Night Patrol: Grab a torch and inspect your greenhouse after dark. Slugs are easy to spot and remove by hand when they’re active.
• Beer Traps: Fill shallow dishes with beer and bury them slightly in the soil. Slugs are drawn to the yeast and will drown themselves. Any beer works—though craft brews seem to be a favourite!
• Coffee Grounds Barrier: Sprinkle used coffee grounds in a 10cm-wide ring around your plants. Slugs dislike the texture and acidity. Just keep the layer thin and avoid direct contact with stems to protect your soil health.

These natural methods are safe, effective, and greenhouse-friendly. With a little effort, you can protect your crops and keep your Winter Gardenz greenhouse slug-free—no chemicals required.

Want more tips on pest control, seasonal planting, or greenhouse accessories? Explore our full blog or get in touch with our team.