Fruit and vegetable companion planting takes advantage of the natural likes and dislike of plants to create a thriving, more diverse garden ecosystem. I loosely adapt the concepts presented in the book 366 hayek knowledge essay– the more you research, the more likely you are to find resources that contradict each other. This is not an exact science. Another very commonly referenced companion planting resource is more, and its companion book for flowers, “http://www.fundacionadapta.org/“.
What I really like about Sally Jean’s system is that she groups plants into “garden neighborhoods”, which contain “families” of plants that grow well together, and “friends” that support these families. You can mix and match within the family and friends list for a neighborhood to find a companion combination that works for your garden and the crops you want to grown. Because all the plants in a a neighborhood have similar growing needs, the entire neighborhood can be rotated around the garden. The friends plants often support beneficial insects and/or help repel problem insects. In this post I’ll discuss Sally Jean’s six neighborhoods and how I work with companion plants in my garden.
The Tomato Neighborhood consists of plants in the tomato family and greens. Tomato family plants include:
- Ground cherries
Potatoes are also in the same botanical family as tomatoes, but because of their very different growth habit, they’re placed in a separate companion group.
Friends of the family include:
- Queen Anne’s Lace
- Tall Aster Family flowers
Sally Jean suggests planting lettuce, spinach and other greens around the outside of the bed at the beginning of the season for an early harvest. As the tomato family plants grown and bush out, the last of the greens can be cleared to give them more room.
Plants included in this garden family neighborhood are:
- Bush Beans
Friends of the family include:
- Sweet Annie
Sally Jean likes to alternative a row of potatoes with a row or peas or beans to deter potato beetles and Mexican bean beetles. Potatoes are good for breaking up new beds because of all the digging required. I do put potatoes and beans in the same bed, but I don’t alternate the rows, because I don’t have significant problems with either of those pests. I also prefer growing pole beans, which require frequent picking from first ripening until frost because they are so productive.
The Cabbage neighborhood includes:
- Cabbage Family crops such as cabbage, cauliflower, broccoli, kale, Brussels sprouts
- Root Crops
Cabbage family friends include:
Sally Jean likes to plant her cabbage family crop in a 2-1-2 or 3-2-3 grid pattern in the bed with groundcover or root veggies such as onions, carrots or beets in between. For example, in a wide row, you might plant 2 cabbage plants, then 1 cabbage plant, then 2 cabbage plants and so on down the row. Lettuce can do well in the shade of taller broccoli or Brussels sprouts if the soil is rich enough.
This neighborhood is an adaptation of the classic 3 Sisters companion planting system. It combines:
- Squash family crops
- Pole Beans
Melons can also be included with this group.
Friends plants include:
I have found that planting sweet corn and pole beans together did not work well in my northern garden. The corn was crushed by the beans before it could get well established. Similarly, planting the corn and squash together led to the squash strangling the corn. What did work well for me was to plant the squash in hills placed at intervals around the corn patch, and allowing some vines to trail into the patch once the corn was established. This seems to help keep the raccoons at bay. In a traditional Three Sisters planting, the corn and beans are both drying types harvested at the end of the season, so you don’t need to get into harvest during the growing season.
The Roots and Greens Neighborhood includes:
Friends of the family include:
- Cosmos (dwarf)
- Queen Anne’s Lace
- Iceland Poppies
- Short Aster Family Flowers
You may be able to get multiple sowings of greens and roots during the course of the season, depending on the varieties used (check time to maturity). I’ve shied away from using Queen Anne’s Lace and Caraway near my carrots, as the plants are so closely related.
Strawberry and Asparagus Companions – The Perennial Garden Bed
Yes, strawberries are not a vegetable, but they are a good fit for a small food garden, and Sally Jean includes them in her perennial bed, along with:
Friends in the perennial bed are a mix of annuals and perennials:
- Sweet alyssum
- Swan River Daisies (for strawberries)
- Bee Balm
- Black-eyed Susans
- Creeping Thyme
- Sweet Annie (for asparagus)
This is an area where Sally Jean and I will have to agree to disagree. While she suggests pairing up aggressive growers such as horseradish and tansy, which might not be a bad idea, there’s no way I’d put horseradish, tansy or yarrow anywhere near my strawberries or asparagus on purpose because they spread like wildfire. I’ve grown all but a few of the others with no issues, but those three can take over a garden in record time. Proceed with caution.
Companion Planting “Rules” are Made to be Bent
I don’t use only the plants listed in each family in a specific garden neighborhood. We love onions (I plant hundreds), so those get tucked all over in the garden. I know in theory that they’ll not supposed to be planted near peas and beans, but sometimes we do (to help keep the rabbits at bay) and I haven’t noticed a problem.
I also love the look of sweet alyssum and lobelia, and grow a couple flats of them (over 100 plants) each year from seed. They do well in my garden, and the little pollinators love them, even though they aren’t featured prominently on the lists. They are low growing, and can be tucked just about anywhere as a ground cover.
I tuck different culinary herbs all over the garden, too. Yarrow can enhance the flavor and scent of some other plants, so I like to work with the herbs and the yarrow together.
Most people don’t think about weeds as companion plants, but purslane makes a good ground cover, as does white Dutch clover. Clover also adds nitrogen to the soil, so it is particularly good paired with heavy feeding crops like corn or cabbage family plants. You can read the post, “5 Reasons I Want Weeds in my Garden” to learn more about the use of weeds as ground covers, for soil building and for attracting beneficial insects.
Nasturtiums always have a place in my melon patch, and volunteer cosmos and chamomile pop up all over the garden. I thin them as needed – the bees and butterflies enjoy them all. Think about providing blossoms from the last spring frost until after fall frost to keep the bees fed.
Experiment, and find out what works for your growing conditions. I always try to strike a balance between keeping a crop concentrated enough for easy picking, and growing other crops mixed in to alleviate pest pressure. Think about growth habits – use tall plants to shade shorter ones that can’t stand the heat – or plant the tall plants to the north to make sure the rest of your garden gets more sun if needed. Use plants as a living mulch – just don’t plant them so thickly that they are overcrowded. It’s amazing how much growth takes place in a single season. If you don’t have a good feeling for how much space a crop will need, invest in a good book with spacing requirements such as Square Foot Gardening or The Vegetable Gardener’s Bible.
Your garden is a living canvas, and I invite you to paint it with a variety of wonderful tastes, smells, colors and textures.
What are your favorite companion planting combinations? I’d love to hear suggestions, from those in similar growing conditions and those in very different growing conditions. It’s always great to learn from each other.
You may also enjoy:
- Getting Started with Herb Gardening
- Natural Pest Control in the Garden
- Grow Stevia and Make Your Own Liquid Sweetener
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