How close do you plant companion plants
Andrew Campbell
Updated on April 07, 2026
Plants that have known beneficial relationships (friends) should be planted within two or three rows of each other. Plants that are known to have detrimental relationships (foes) should be planted at least 2-3 rows apart.
How far away should companion plants be?
How close should you plant these companion plants? To make it simple, take an average spacing between the two varieties. If one variety should be spaced 12 in. apart and the other calls for 6 in., space them 9 in.
What 2 plants should you never plant next to each other?
- Mint and onions where asparagus is growing.
- Pole beans and mustard near beets.
- Anise and dill neighboring carrots.
- Cucumber, pumpkin, radish, sunflower, squash, or tomatoes close to potato hills.
Can plants be planted close together?
Plants that grow too close to each other compete for the same sunlight, water and soil nutrients. … Whichever plant is more vigorous reaps the most water and nutrients. However, with numerous plants and roots, the soil resources deplete more quickly, affecting all plants in the area.Do companion plants need to be in the same container?
The best way to maximize the space of containers is to group plants that benefit each other. … Companion planting helps to prevent insect infestations and disease, and it can increase plants’ rate of growth and overall crop yield. With these combinations, just a few containers can produce a full variety of fresh produce.
What can you not plant with tomatoes?
- Brassicas (including cabbage, cauliflower, broccoli and brussel sprouts) – inhibit tomato growth.
- Potatoes – along with tomatoes are also in the nightshade family so they will be competing for the same nutrients and will also be susceptible to the same diseases.
Why should you not plant cucumbers near tomatoes?
Cucumbers’ and Tomatoes’ Shared Diseases Phytophthora blight and root rot are more serious issues as these disease pathogens can ravage both cucumbers and tomatoes. Plants can be treated with commercial fungicides as a preventive measure, but it’s better to just use good cultivation practices.
How do you measure plant spacing?
Divide the width of the garden by the space between rows and the length of the garden by the space between plants. This will give you the number of spaces with which you can plant.What happens if plants are planted too close together?
Overcrowded plants must compete with each other for soil nutrients, which can result in increased fertilizer needs. … Plants suffering from nutrient deficiencies may develop weak or yellow foliage, grow poorly, or they may fail to fruit or flower well.
How close together can you plant marigolds?In planting beds, space African marigolds 10 to 12 inches apart, while French marigolds should be 8 to 10 inches apart. If you’re planting marigolds into containers, use a pot that’s at least 10 inches across for African and larger French types.
Article first time published onWhat can you not plant with marigolds?
Marigold companion planting enhances the growth of basil, broccoli, cabbage, cucumbers, eggplant, gourds, kale, potatoes, squash and tomatoes. Marigold also makes a good companion plant to melons because it deters beetles. Beans and cabbage are listed as bad companion plants for marigolds.
Do plants like to be around other plants?
Plants “Listen” to the Good Vibes of Other Plants. A new study found that plants grown next to certain other plants are healthier than those grown in isolation.
What can you not plant with a rutabaga?
Avoid planting turnips and rutabaga where you have grown related crops—broccoli, Brussels sprouts, cauliflower, collards, kale, turnip, rutabaga, cabbage, mustard, bok choy, or kohlrabi—during the previous four years.
How do you mix two plants together?
Grafting and budding are horticultural techniques used to join parts from two or more plants so that they appear to grow as a single plant. In grafting, the upper part (scion) of one plant grows on the root system (rootstock) of another plant. In the budding process, a bud is taken from one plant and grown on another.
Which plants go well together?
VegetableLikes Growing WithRadishBeets, Carrots, Peas, Spinach, BeansSpinachBrassicas, Eggplants, Leeks, Lettuce, Peas, Radish, StrawberriesSwiss ChardBeans, Brassicas, Celery, CauliflowerStrawberriesBeans, Borage, Garlic, Lettuce, Onions, Peas, Spinach, Thyme
What plants should be planted next to each other?
Type of VegetableFriendsCabbageBeets, celery, chard, lettuce, spinach, onionsCarrotsBeans, lettuce, onions, peas, peppers, tomatoesCornClimbing beans, cucumber, marjoram, peas, pumpkins, squash, sunflowers, zucchiniOnionsCabbage, carrots, chard, lettuce, peppers, tomatoes
Can you plant cucumbers and peppers together?
Carrots, cucumbers, radishes, squash, and members of the Allium family all do well when grown in close proximity to peppers. Eggplant, a member of the nightshade family along with peppers, thrives alongside peppers. Spinach, lettuce, and chard are suitable pepper companions.
Can peppers and tomatoes be planted together?
Yes, you can grow tomatoes and peppers together – although it’s important to bear in mind that growing plant members of the Nightshade or Solacaceae families together can increase the risk that disease will spread amongst them, especially if they are grown in the same bed after each other.
How far apart should cucumbers and tomatoes be planted?
According to garden experts, cucumbers and tomatoes share similar growing habits and grow well when planted in proximity. Since both are vining plants, space them at least 18 inches apart and install stakes to train them vertically as they grow.
Do tomatoes like marigolds?
Marigolds have long been planted alongside tomato plants, and not just because of their pretty flowers. … Marigolds—a flowering plant in the daisy family—are common companions for tomatoes. In the long lore of gardeners, the marigold is thought to do something to help tomatoes avoid pests.
What is the best spacing for tomato plants?
A general recommendation is to place tomato plants about 18-24 inches apart, but plant spacing actually depends a lot on the type of tomato variety you’re planting. Research the variety or follow spacing guidelines on the seed packet or plant tag.
How close can you plant tomatoes together?
The correct tomato plant spacing is dependent upon which variety of tomato is being grown. Generally speaking, the ideal spacing for tomato plants is between 24-36 inches (61-91 cm.) apart. Spacing tomato plants any closer than 24 inches (61 cm.) will reduce air circulation around the plants and may result in disease.
How close can I plant tomatoes and peppers?
If you grow several specimens of each type of crop, then give your tomato plants and pepper plants their own rows, and keep the rows separated by about 3 feet. Tomato plants should be spaced about 18 to 24 inches from each other, and pepper plants need about 18 inches of space between them.
How close together can you plant perennials?
If you can’t find information about a specific plant, a general rule is to space small perennials 6-12 inches apart, 2-3-foot-tall perennials 12-18 inches apart, and taller perennials 18-36 inches apart.
How important is plant spacing?
Spacing your plants appropriately reduces the risk of disease in two ways: contagion and improved immune system. It is easy for disease to spread from one plant to another if the plants are growing on top of one another, so plants growing too closely together are not as healthy as plants with enough space.
What happens if you plant shrubs too close together?
“Planting things too close together looks good for a year or two, but once the trees get bigger, they’ll fight for light and nutrients,” Lambton says. The result? A lot of dead leaves and branches—and money down the drain.
How far apart should flowers be planted?
If you can’t find information about a specific plant, a general rule is to space small perennials 6-12 inches apart, 2-3-foot-tall perennials 12-18 inches apart, and taller perennials 18-36 inches apart.
How close together can you plant shrubs?
MATURE WIDTH OF PLANTPLANTING DISTANCE3.5 – 4ft1.5ft4.5 – 5ft2ft
How do you arrange marigolds in a garden?
Choose a plot or place your container where it receives at least four hours of full sun – more is better – per day from early spring to late fall. Sow the 1/2-inch-long, needle-like black-and-white marigold seeds 6 inches apart in garden beds or borders on top of well-drained, fine-crumbled soil.
What do you plant marigolds with?
- Cucumbers.
- Melons.
- Eggplants.
- Squash.
- Potatoes.
- Lettuce.
- Pumpkins.
- Tomatoes.
How many marigolds are in a square foot garden?
Marigold seeds are planted 1/2 inch deep, 4 per square foot, in the full sun. Take care to notice what plants are around the area as well, see the companion plant section below. Your seeds should sprout within 14-21 days. You will need to provide your marigolds with consistent moisture.