Good & Bad Roma Tomato Companion Plants

You think about growing roma tomatoes in your garden or on your balcony but are not sure what plants to grow next to them? Great! This article will be exactly for you since I show you the best and worst roma tomato companion plants in the following chapters.

Why do I need Companion Plants to grow Roma Tomatoes?

While there are several factors that will determine the level of success of your tomato growth project, one important factor is using the right companion plants for your roma tomatoes.

Companion plants can improve the growth behavior as well as the yield of your roma tomatoes since they can attract pollinators, loosen the soil, keep away pests and can also provide shade to your tomato plants.

While planting the right companion plants next to your roma tomatoes can have those positive effects, the opposite is true for other plants that could rather harm the growth behavior of your roma tomatoes.

Thus, it is crucial that you have a look at the following tables to identify the best companion plants for your roma tomatoes and to avoid plants that may rather be bad for them.

Good Roma Tomato Companion Plants

Companion Plant	Why is it good?
Carrots	Loosen the soil.
Marigolds	Deters nematodes.
Garlic	Keep away spider mites.
Onions	Keep away pests from your roma tomatoes.
Celery	Loosens the soil and attracts helpful insects.
Peppers	Help to keep away pests.
Melons	Loosen the soil.
Parsley	Attracts hoverflies.
Borage	Improves the flavor of your tomatoes.
Basil	Repels spider mites and aphids.
Nasturtiums	Attract pollinators.
Chives	Deters pests.
Asparagus	Loosens the soil.
Beans	Can provide shade to your roma tomatoes.
Amaranth	Keeps away pests.
Lemon Balm	Can improve the flavor of your tomatoes.
Lettuce	Covers the soil and preserves moisture.
Mint	Can improve the flavor of your tomatoes.

Bad Roma Tomato Companion Plants

Companion Plant	Why is it bad?
Corn	Attracts pests.
Dill	Can slow down the growth of your tomatoes.
Rutabaga	Attracts harmful bugs and caterpillars.
Kale	Take away nutrients from your roma tomatoes.
Cabbage	Take away nutrients from your roma tomatoes.
Turnips	Take away space in the soil.
Collard Greens	Take away nutrients from your roma tomatoes.
Cauliflowers	Take away nutrients from your roma tomatoes.
Brussels Sprouts	Take away nutrients from your roma tomatoes.
Broccoli	Take away nutrients from your roma tomatoes.
Fennel	Can slow down the growth of your tomato plants.
Walnut	Can slow down the growth of your tomato plants.
Eggplant	Can emit harmful substances to the soil.
Potatoes	Can emit harmful substances to the soil.

Best & Worst Roma Tomatoes Companion Plants – Summary

Best Companion Plants	Worst Companion Plants
Chives	Turnips
Asparagus	Cabbage
Amaranth	Kale
Lemon Balm	Rutabaga
Lettuce	Corn
Mint	Dill
Beans	Brussels Sprouts
Basil	Cauliflowers
Borage	Broccoli
Peppers	Walnut
Nasturtiums	Potatoes
Parsley	Eggplants
Melons	Fennel
Marigolds
Garlic
Celery
Onions
Carrots

What should you plant with Roma Tomatoes?

Good companion plants for roma tomatoes are onions, garlic, carrots, celery, melons, parsley, marigolds, nasturtiums, borage, basil, peppers, mint, lettuce, beans, lemon balm, amaranth, asparagus and chives.

You should not plant roma tomatoes with plants of the cabbage family, eggplants, potatoes, walnut, corn, dill, turnips or fennel.

If you want to get more information on growing roma tomatoes in general, make sure to check out my grower’s guide that shows you how to grow roma tomatoes from seed to harvest.

About the Author

My name is Andreas and I’m really passionate about our environment and also about growing plants. In fact, I have grown several different plants over many years. I love to see my plants grow and also always try new things to improve my overall conditions at home.

In my blog posts, I want to share my experiences with you so that you can become successful in growing various different plants and improving your home as well, even though you might still be a beginner right now.