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 PlantWhy is it good?
CarrotsLoosen the soil.
MarigoldsDeters nematodes.
GarlicKeep away spider mites.
OnionsKeep away pests from your roma tomatoes.
CeleryLoosens the soil and attracts helpful insects.
PeppersHelp to keep away pests.
MelonsLoosen the soil.
ParsleyAttracts hoverflies.
BorageImproves the flavor of your tomatoes.
BasilRepels spider mites and aphids.
NasturtiumsAttract pollinators.
ChivesDeters pests.
AsparagusLoosens the soil.
BeansCan provide shade to your roma tomatoes.
AmaranthKeeps away pests.
Lemon BalmCan improve the flavor of your tomatoes.
LettuceCovers the soil and preserves moisture.
MintCan improve the flavor of your tomatoes.

Bad Roma Tomato Companion Plants

Companion PlantWhy is it bad?
CornAttracts pests.
DillCan slow down the growth of your tomatoes.
RutabagaAttracts harmful bugs and caterpillars.
KaleTake away nutrients from your roma tomatoes.
CabbageTake away nutrients from your roma tomatoes.
TurnipsTake away space in the soil.
Collard GreensTake away nutrients from your roma tomatoes.
CauliflowersTake away nutrients from your roma tomatoes.
Brussels SproutsTake away nutrients from your roma tomatoes.
BroccoliTake away nutrients from your roma tomatoes.
FennelCan slow down the growth of your tomato plants.
WalnutCan slow down the growth of your tomato plants.
EggplantCan emit harmful substances to the soil.
PotatoesCan emit harmful substances to the soil.

Best & Worst Roma Tomatoes Companion Plants – Summary

Best Companion PlantsWorst Companion Plants
ChivesTurnips
AsparagusCabbage
AmaranthKale
Lemon BalmRutabaga
LettuceCorn
MintDill
BeansBrussels Sprouts
BasilCauliflowers
BorageBroccoli
PeppersWalnut
NasturtiumsPotatoes
ParsleyEggplants
MelonsFennel
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.

Prepare the soil!

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.

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