Learn how to grow a salad garden.

Growing a Salad Garden

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Growing a salad garden is easier than you think. Most salad greens are quick growing and ready to harvest just 4 to 6 weeks from seeding. They can be grown in garden beds or containers, with the majority thriving in the cooler temperatures of spring and fall, although there are also plenty of heat-tolerant greens for summer harvesting. And, there is no shortage of variety when it comes to leafy greens, with trendy mustards and mizuna as popular as the more traditional lettuce and spinach.

Most salad greens are cool weather crops, growing in early spring when the temperatures are in the 50 to 68 F (10 to 20 C) range. Once the heat of summer arrives, greens like lettuce, arugula, and spinach quickly bolt with the plants switching from leaf to flower and seed production. When plants bolt, the flavor also declines as leaves become more bitter.

However, there is good news for those who want to keep growing a salad garden in summer. There are a number of awesome greens that thrive in the heat – New Zealand spinach, Swiss chard, amaranth, magenta spreen, purslane, and orach are all summer superstars and deserve a place in every food garden. As well, most seed companies offer heat-tolerant varieties of greens like lettuce, spinach, and arugula. ‘Astro’ arugula and ‘Jericho’ lettuce, for example, can continue to yield tasty greens throughout the summer months.

Grow a variety of leafy greens for beautiful homegrown salads.

Start sowing the seeds of cool weather salad greens like arugula, mustard, spinach, and mizuna once the spring temperatures are above 50 F (10 C).

Picking the Right Site:

I grow most of my salad crops in my raised bed vegetable garden, but you don’t need a big garden to grow greens. In fact, you don’t need a garden at all! You can grow leafy crops in containers, window-boxes, fabric bags, planters or even a repurposed piece of furniture like Tara’s lettuce table. The majority of fast-growing greens like leaf lettuce, arugula, mizuna, mustard, Tokyo Bekana, and baby spinach are shallow-rooted and don’t need a deep layer of soil to produce a crop.

If you do plant salad greens in a garden, look for a sunny or partially shaded site. In summer, some shading of cool season greens can help delay bolting and extend the harvest. No shade? Create your own by floating a length of shade cloth overtop hoops in the garden. In spring and fall, use those same hoops with row covers to protect from cold temperatures and frost.

Growing a salad garden is easy with fast growing lettuces.

Lettuce forms the base of many salads, but don’t be shy about experimenting with the hundreds of varieties of lettuces available through seed catalogs like ‘Lollo Rossa’, ‘Red Sails’, and ‘Speckled Trout Back’.

5 Tips to Growing a Salad Garden:

  1. Feed the soil. Salad greens grow best in fertile, moisture-retentative soil, so dig in some compost or well-rotted manure before planting. This is also a good time to add a granular organic fertilizer if necessary.
  2. Seeds versus seedlings. With greens like arugula, leaf lettuce, and baby kale ready to harvest just 30 to 40 days from seeding, direct sowing is the way to go. Plus, direct seeding allows dense planting if you’re aiming for a crop of tender baby greens. For larger plants or mature heads of lettuce, direct sow, thinning as plants size up, or start seeds indoors under grow-lights. The seedlings should be transplanted into the garden after 3 to 4 weeks of indoor growth.
  3. Steady moisture. Because most types of salad crops are shallow-rooted and fast-growing, they require an even supply of moisture. If the soil is dry for an extended period of time, the plants may bolt or the leaves will become bitter. It’s difficult to mulch around densely planted baby greens, but if you’re growing salad crops that form a head, like romaine or butterhead lettuce, a mulch of straw or shredded leaves will help retain soil moisture.

    Mulch salad greens to keep soil moist.

    A mulch of straw or shredded leaves will help retain soil moisture and reduce the need to water.

  4. Succession plant. Succession planting is simply following one crop with another to ensure a non-stop harvest. For a long season of high-quality greens, sow fresh seed every 2 to 3 weeks, or use your grow-lights to produce seedlings to plug into empty areas of the garden. Even container gardeners should succession plant. The same rules apply; pot up a new container with a lightweight potting soil and fresh seeds every few weeks to replace spent greens.
  5. Interplant. I like to interplant fast-growing salad greens like leaf lettuce and arugula between slower-growing vegetables like tomatoes, peppers, and eggplant in the spring garden. The greens are ready to harvest in 30-40 days at which point, the slower crops are ready for the space.

Growing a Salad Garden – Greens to Grow:

Say good-bye to boring iceberg lettuce! Growing a salad garden allows you to pick from dozens of types of greens and hundreds of varieties. Have fun playing with different colors, textures, and flavors. We love mild tasting salad crops like lettuce, Tokyo Bekana, and spinach, but adding handfuls of spicy mustard, mizuna, turnip greens, and arugula can really liven up a salad. For extra convenience, most seed companies also offer pre-mixed salad green packets for a gourmet salad blend.

Mild flavored greens:

Lettuce –  Lettuce is a spring essential and perhaps the easiest green to grow. For the fastest harvest, stick to loose-leaf types like ‘Red Salad Bowl’, but most of the heading types of lettuce are also quick to grow when picked at a baby stage. Tuck clumps of lettuce around the edges of your garden beds for a colorful edible edging or include a few plants in your flower pots. Favorite varieties include ‘Black Seeded Simpson’, ‘Red Salad Bowl’, ‘Outredgeous’, and ‘Lollo Rossa’.

Tokyo Bekana – I fell in love with this looseleaf Chinese cabbage a few years ago after growing it in raised beds and window-boxes. It’s super fast from seed, forming one-foot wide rosettes of frilly, lime green leaves that look just like leaf lettuce. It also has a mild, lettuce-like flavor and makes a great base for a salad of homegrown greens.

Tokyo Bekana is an easy to grow salad green with green frilly leaves.

Tokyo Bekana is a non-heading Chinese cabbage with frilly lime green leaves. We use it like leaf lettuce in salads and on sandwiches.

Komatsuna – Komatsuna is a turnip relative that forms upright plants with large paddle-shaped leaves. Baby leaves are great for mixed salads, while larger leaves can be added to stir-fries, sautéed with garlic and sesame oil, or used as a wrap for fresh spring rolls or sandwiches.

Spinach – There are several types of spinach for the garden; savoy, semi-savoy, arrow-leaved, and smooth-leaved. I love them all, but tend to grow mostly smooth-leaved varieties like ‘Space’ and ‘Corvair’. They’re super fast to grow and ready to harvest 30 days from seeding. In fall and winter, I opt for savoyed spinach varieties like ‘Bloomsdale’ which are more cold tolerant.

Magenta Spreen – Featured in my book, Veggie Garden Remix, this quinoa cousin is both beautiful and productive. The plants form tall clumps of silvery-green foliage highlighted by a splash of hot pink at the center of each shoot. Plant magenta spreen in late spring, shearing the plants back every few weeks to keep them compact and encourage fresh growth. Eat raw in salads or cook as you would spinach.

Magenta spreen is a heat-tolerant salad green for the summer garden.

Magenta Spreen is a beautiful salad crop with silvery green foliage and a pop of pink at the centre of each growing tip.

Spicy greens:

Arugula – I would never consider growing a salad garden without arugula. This easy-to-grow crop is our favorite salad green with a peppery taste that pairs well with a simple dressing of olive oil, lemon juice, and salt. For a spring crop, sow arugula seed about a month before the last spring frost, planting in garden beds or containers. Repeat every few weeks. Baby arugula leaves have less heat than mature ones so start picking when the leaves are just a few inches long.

Mustard – I love growing a variety of mustard greens in my spring, autumn, and winter gardens. They’re all very cold tolerant – perfect for cold frames – and they offer so much variety in leaf texture and color. The young leaves have a mild spiciness, but be warned that the mature leaves pack quite a punch! These are best stir-fried to temper the heat. Outstanding varieties include Giant Red, Ruby Streaks, and ‘Miz America’, which has gorgeous deep burgundy foliage.

Mizuna – With less heat than peppery mustard greens, but just as much cold tolerance, mizuna is a good choice for an early spring sowing. The mild, cabbage-like flavor pairs well with other greens in mixed salads, but the mature leaves are sturdy enough to be tossed into stir-fries and wraps. Direct seed mizuna in cold frames 6 weeks before the last spring frost, or in the garden 3 to 4 weeks before the last expected frost.

Mizuna is both fast and easy to grow in a salad garden.

Most salad greens, like mizuna, grow best in the cool temperatures of spring and fall. But, mizuna can also be harvested into winter if protected with a cold frame.

For more information about growing salad greens, check out these awesome links:

Are you going to be growing a salad garden this year? 

Growing a salad garden is fast & easy!


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8 Responses to Growing a Salad Garden

  1. I love this. My problem is figuring out how to much (how little, actually) to plant in each planting, especially if I’m growing several varieties for salad interest. I always end up with way too much for the two of us and more than I can give away.

    • I totally hear you, Carole. It’s tough to have restraint when planting all the amazing varieties that are available. I try to plant only three to five seeds of each different variety, but I sow more seeds every three weeks so I have a continuous supply. We always have way too much, too, but the neighbors are super happy about that!

    • Niki says:

      Very true Carol! I tend to sow ‘mini rows’ of my salad greens to prevent waste. My beds are 4 by 8 feet, so I sow 3 to 4 mini rows at a time across the bed. Like Jessica, I’ll sow fresh seed every 2 to 3 weeks so that I have a non-stop supply of greens. Enough for variety but not so much that it ends up in the compost. 🙂

  2. Tiffany says:

    I am enthralled with the idea of Magenta Spreen, but I’m struggling to find it from a reputable source. Any recommendations? Thanks!

  3. Tiffany says:

    Thanks Jessica! They had a seed crop failure, so I’ll keep looking or cross my fingers for later! I appreciate your prompt reply.

  4. Marc says:

    One thing I want to try this year is a salad container garden. Basically planting lettuce, green onion, and a tomato plant in a large container. Something I can put next to my kitchen door to grab a few ingredients for a fresh salad that I can take to work for my lunch.

    We need to encourage people that maybe don’t have a full garden to grow some food in containers. And a salad container garden is a great idea to get someone started in growing their own food.

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