Meleah MaynardEdible plants to grow in the shade

Want to grow vegetables and herbs even though you don’t have full sun? No problem. You just need to choose edibles that don’t depend on six hours or more of baking sunlight to thrive. So, yes, tomatoes are out, as are peppers, squash and eggplant, because plants grown for their fruit really do need a minimum of six hours of good sun per day.

Lettuce will grow well, even in partial shade. Photo Rhonda Hayes

Lettuce will grow well, even in partial shade. Photo Rhonda Hayes

But that still leaves a wide variety of edibles to choose from as long as you’ve got more than deep shape to work with—not much will grow under a maple tree’s canopy. But plants grown for their roots and flowers will produce with as little as three to six hours of full sun or consistent dappled sun. Beets, carrots, broccoli, cauliflower, onions, turnips and radishes, for example, can be successfully grown with four to six hours of sun. And though they produce fruit, I get a pretty good crop of cucumbers in 5 hours of sun.

Leafy veggies like kale, spinach, leaf lettuce, arugula (rocket), mustard greens and Swiss chard can get by with only two to four hours of sun—though they will grow more lush in sunnier locales. If you have a garden that offers both sun and shade, one of the advantages of knowing what can take less sun is the ability to increase your harvest by tucking these plants in along shaded borders that are often though of as wasted space.

Swiss chard grows well in the shade

Swiss chard grows well in the shade

Sure, there’s a lot to be said for the power of sun, but there are some benefits to growing vegetables in part shade. Crops like broccoli and cauliflower won’t bolt as quickly as they would in full sun, tender lettuces will last longer and you won’t have to water constantly, which is always a plus. That said, though, it is important to monitor moisture levels in shade gardens carefully because these sites are often located beneath big trees or shrubs, as well as the overhang of the house or garage. So even when it does rain, the water may not reach your garden, and much of what does fall will likely be taken up by the root systems of greedy trees and shrubs.

Colourful lettuce varieties can be grown in shade but they need ample water

Colourful lettuce varieties can be grown in shade but they need ample water

As always, the most critical ingredient of a thriving vegetable garden is rich, well-drained soil. Though some plants prefer specific things, a general guideline for amending garden beds is a mix of cocopeat (especially if you want to help save overly harvested peat bogs), new topsoil and compost—each element being 1/3 of the mix.

Getting the right amount of light in a shady spot can be tricky. So if the light level in your garden changes dramatically throughout the day, one thing you can do to make the most of available sunlight is to grow your veggies in containers. That way, as the sun moves, the containers can be moved, too. I stumbled onto this idea a couple of years ago during my struggle to grow tomatoes in my shaded backyard and it has worked very well. Even if you don’t have that much sun any place, you can still increase the number of vegetables you can plant by trying this method.

Place plants, like basil, that need a lot of sunlight on rolling platforms that can be moved around easily

Place plants, like basil, that need a lot of sunlight on rolling platforms that can be moved around easily

I like to put my large pots on four-wheeled stands that I bought at IKEA for a few bucks, but many garden centers carry them. (They kind of look like a metal garbage can lid on wheels.)(Aside from smaller yield, the only real drawbacks to containers are that they dry out quickly so they often need to be watered every day once summer gets rolling. They also require more nutrients, so it’s a good idea to add some diluted fertilizer to the water you use throughout the season.

One of the most important keys to success with container-grown veggies is to choose pots that are large enough for the job. A good starting point is 16 inches (400mm) wide and at least a foot deep (300mm), though something closer to 25 inches (630mm) wide and 18 to 20 inches (450-500mm) deep is probably closer to ideal for most veggies.

Salad greens and herbs can also be grown in smaller, plastic pots that are very portable. Photo: iStock

Because these large containers will be something of a focal point outdoors, you may want to dress them up a bit by combining vegetables with flowers that aren’t too demanding like nasturtiums, dwarf snapdragons or petunias. Or, you could add a few herbs. Parsley, tarragon, thyme, lemon balm, chives and oregano will all do well in partial shade. Mint is also shade tolerant, but you’d best give it a pot of its own to spread out in.

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Meleah Maynard

About Meleah Maynard

My name is Meleah Maynard and I garden in crazy-ass cold, zone 4 Minneapolis, Minnesota. My first book, co-authored with Jeff Gillman, Decoding Gardening Advice: The Science Behind the 100 Most Common Recommendations, was recently published by Timber Press. I don't have a hort degree. I'm a longtime journalist and master gardener who loves asking people questions, doing research and learning something new every day. I hope you like my blog here on GardenDrum and you read my full blog at Everyday Gardener

2 thoughts on “Edible plants to grow in the shade

  1. Leticia on said:

    thank you so much for this…… even though we live in sunny Qld, Australia, our courtyard is rather shady. Your tips are very helpful

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