5 Natural Pest-Repelling Plants for Your Greenhouse: A Guide to Keep Insects at Bay

Fellow DIY greenhouse beginner gardeners, are you tired of dealing with pesky insects infiltrating your greenhouse?

Surely you know pests can be controlled with pesticides, but finding natural ways to control them is better for you and the environment.

Plants helping other greenhouse plants to stay pest free is an amazing way to achieve this, but it can be a tricky process to find the right plants.

To help you out, we’ve created this guide to get you started.

In this article you’ll find a list of 5 plants that can help keep pests at bay. Make sure to read to the end, where we share a bonus tip :)

Let’s dive in.

1. Sage

Not only does sage have a unique and earthy scent, but it also contains natural insecticides that effectively repel a variety of pests away from your greenhouse.

Sage is useful for ridding your greenhouse of flies, mosquitoes, and moths. Additionally, it's a super low-maintenance plant and can handle dry conditions like a champ.

2. Marigolds

Marigolds are beautiful additions to any garden, and additionally, they have a compound that repels pesky aphids, whiteflies, and nematodes from your prized greenhouse plants.

Plus, they attract useful insects like lacewings and ladybugs, which can help control harmful pests in your DIY backyard greenhouse.

3. Lavender

Not only is lavender packed with compounds that repel a variety of insects like mosquitoes and fleas, but it also has a calming and soothing scent.

Lavender attracts bees and butterflies which can help pollinate other plants in your garden. Overall, lavender is a super gardener.

3. Basil

Basil has natural insecticides good for ridding your greenhouse of mosquitoes, flies, and aphids.

Basil is also a popular herb in the kitchen, versatile enough for a number of dishes. That means you can have fresh herbs for cooking while also keeping pests at bay.

5. Mint

Mint is super easy to grow and requires minimal care. You’ll get the best out of your mint plants if you plant them in well-drained soil and partial shade.

Mint repels pests like mosquitoes, ants, and spiders. Mint also attracts beneficial insects like bees and butterflies.

And now it’s time for the bonus plant we told you about earlier. Rosemary.

Yep, good old rosemary is a hardy plant that doesn’t need much attention. The compounds in rosemary repel a variety of pests, including mosquitoes, flies, and moths.

So, there you have it!

Five (plus one) incredible plants that help keep pests out of your vegetable or herb greenhouse. Many of these plants also have medicinal or culinary uses, making them incredible additions to any garden.

Happy planting!

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