Parsley and Tomato Companion Planting: A Match Made in Garden Heaven

When it comes to successful gardening, understanding which plants thrive together can make all the difference. Companion planting has been used for centuries as a natural way to improve soil quality, deter pests, and increase crop yields. One popular combination is parsley and tomato, two plants that complement each other in a variety of ways. In this blog post, we'll explore why parsley and tomato are such great companions and how you can use them to enhance your garden.

The Benefits of Parsley and Tomato Companion Planting

Improved Soil Health

One of the primary benefits of companion planting is its ability to improve soil health. Different plants have different nutrient requirements, and when they're grown together, they can help balance each other out. Parsley, for example, is known for its ability to absorb nitrogen from the air and transfer it to the soil. Tomatoes, on the other hand, are heavy feeders that require a lot of nitrogen. By planting parsley alongside tomatoes, you can provide the tomatoes with the nutrients they need while also improving the overall health of the soil.

Natural Pest Control

Another advantage of companion planting is its ability to deter pests naturally. Certain plants have natural compounds that repel insects or mask the scent of more desirable plants. Parsley, for instance, contains compounds that repel some species of beetles and aphids. By growing parsley alongside your tomatoes, you may be able to reduce the risk of infestations and minimize the need for chemical pesticides.

Increased Yields

When plants are grown together, they can help improve each other's growth and yield. Parsley and tomatoes are a great example of this. Parsley has shallow roots, which means it doesn't compete with tomatoes for water and nutrients. In fact, parsley can help conserve moisture in the soil around the tomato plant by acting as a living mulch. This can lead to larger, healthier tomato plants and a higher yield of fruit.

How to Plant Parsley and Tomato Together

Choosing the Right Location

Before you planting, it's important to choose the right location for your parsley and tomato garden. Both plants require full sun, so find a spot that gets at least six hours of direct sunlight per day. The soil should be well-draining and rich in organic matter. If your soil is heavy or compacted, consider amending it with compost or other organic material to improve its texture and fertility.

Planting Parsley and Tomato

Once you've chosen your location, it's time to planting. Here are the steps:

1. Prepare the soil by removing any weeds, rocks, or debris.

2. Apply a layer of compost or well-rotted manure to the soil surface and work it into the top few inches of soil.

3. Dig a hole for each tomato plant, making sure it's deep enough to cover the root ball.

4. Add a handful of slow-release fertilizer to each hole, following the manufacturer's instructions.

5. Plant the tomato seedlings in the holes and firm the soil around them.

6. Plant the parsley seeds or seedlings around the tomato plants, spacing them about 6 inches apart.

7. Water the plants thoroughly and keep the soil evenly moist throughout the growing season.

Maintaining Your Parsley and Tomato Garden

Watering and Fertilizing

Parsley and tomatoes require regular watering and fertilization to thrive. Water your plants deeply once or twice a week, depending on weather conditions. Avoid getting water on the leaves, as this can encourage fungal diseases. Fertilize your plants every three to four weeks with a balanced fertilizer that contains nitrogen, phosphorus, and potassium.

Pruning and Training

As your tomato plants grow, they may need to be trained and pruned to promote healthy growth and prevent disease. Use stakes, cages, or trellises to support the plants and keep them off the ground. Pinch off any suckers that form in the leaf axils, as these can divert energy away from fruit production. Remove any yellow or diseased leaves promptly to prevent the spread of infection.

Pest Management

Despite their natural pest-repelling properties, parsley and tomatoes can still fall victim to pests and diseases. Keep a close eye on your plants and watch for signs of damage, such as holes in the leaves or wilting. If you notice any problems, try using natural pest control methods first, such as hand-picking insects or spraying with a mixture of soap and water. If the problem persists, consider using an organic pesticide as a last resort.

FAQs About Parsley and Tomato Companion Planting

1. Can I plant other herbs with my parsley and tomatoes?

Yes! In fact, parsley and basil make great companions, as do parsley and chives. Thyme, oregano, and sage are also good options.

2. Can I grow parsley and tomatoes in containers?

Absolutely! Both plants can be grown successfully in containers, as long as the container is large enough and has adequate drainage. Use a high-quality potting mix and fertilize regularly.

3. Do I need to prune my parsley plants?

No, parsley doesn't require pruning. However, you may want to remove any yellowed or dead leaves to keep the plant looking tidy.

4. How often should I water my parsley and tomato plants?

Water your plants deeply once or twice a week, depending on weather conditions. Be sure to keep the soil evenly moist but not waterlogged.

5. Can I use chemical pesticides on my parsley and tomato plants?

It's not recommended. Chemical pesticides can harm beneficial insects and pollinators, as well as leave residues on your food. Try natural pest control methods first, and if necessary, use organic pesticides as a last resort.


Parsley and tomato companion planting is a smart and easy way to improve the health and yield of your garden. By planting these two crops together, you can improve soil quality, deter pests naturally, and increase your harvest. Whether you're an experienced gardener or just ing out, give parsley and tomatoes a try and see the difference for yourself!