Set-and-forget vegetables that thrive on neglect are the busy gardener’s great relief: Swiss chard, kale, perpetual spinach, zucchini, runner beans, potatoes, Jerusalem artichokes, rhubarb, and Egyptian walking onions will tolerate missed waterings, modest soil, and the occasional week when life gets in the way. Give them a sensible start, mulch their roots, and harvest regularly, and they will reward you with armfuls of food rather than passive-aggressive collapse.
This is autopilot gardening at its most useful. It is not gardening without any effort, but it is gardening with a pleasingly low level of administrative burden.
If you are planning late-season sowings, there are still plenty of useful vegetables to plant in August for a productive plot long after summer has packed up its deckchair.
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1. Swiss Chard
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Swiss chard (Beta vulgaris subsp. vulgaris) is what I plant when I want the vegetable patch to look after itself while I attend to more pressing matters, such as sitting down. It is handsome, productive, and remarkably unfazed by imperfect care. Once established, it copes with heat, light frost, and periods of dryness better than most leafy crops.
Sow it directly into the ground or a raised bed in spring, allowing about 12 inches between plants, and pick the outer leaves as needed. The center continues producing with the serene determination of a small, leafy factory. In temperate USDA Zones 3–10, it can often keep going for months; in milder areas, it may overwinter.
The rainbow-stemmed varieties are especially lovely, turning a practical vegetable patch into something that might make the ornamental border feel briefly insecure. Nothing looks better than a handful of beautiful chard stems draped over the side of a wicker harvesting basket from Amazon. For a fuller primer, our guide on how to grow Swiss chard covers its sunny preferences and container potential.
2. Kale
(Image credit: Getty/Ron Levine)
Kale (Brassica oleracea) has a reputation for being worthy, which is a little unfair. It is also delicious when crisped in olive oil, tucked into soup, or picked young for salads and, crucially, it is hard to kill with ordinary neglect.
Plant kale in sun or partial shade in fertile, well-drained soil, then water it well while young. After that, a mulch of compost or shredded leaves is usually enough to steady moisture levels and suppress weeds. In Zones 7–9, kale can happily produce through winter; in colder temperate zones, a simple row cover extends the harvest handsomely.
I favor lacinato kale for its dark, puckered leaves, which have the pleasing appearance of something grown by a medieval apothecary. Pick a few lower leaves at a time rather than beheading the whole plant, and it will continue obligingly. Our how to grow kale guide has more on varieties and harvesting windows.
3. Zucchini
Zucchini (Cucurbita pepo) is the extrovert of the low-maintenance vegetable garden. Give it warmth, space, rich soil, and a deep drink during dry spells, and one or two plants can produce enough fruit to make neighbors suddenly avoid eye contact in August.
Plant after the risk of frost has passed, in full sun, ideally beside a generous heap of compost. The large leaves shade the ground, helping retain moisture and crowd out weeds. The only regular job is harvesting: pick zucchini while young and tender, around 6–8 inches long, unless you are cultivating a vegetable large enough to require planning permission.
In humid regions, good spacing helps prevent powdery mildew; in dry climates, water at the soil level rather than showering the foliage. For the essentials on spacing, sowing, and productivity, see how to grow zucchini. A sturdy raised garden bed from Lowe’s also makes the whole operation wonderfully contained.
4. Runner Beans
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Runner beans (Phaseolus coccineus) are proof that productivity can be vertical. Sow seeds after the soil has warmed, give the seedlings a wigwam, trellis, or fence to climb, and they will cover it with lively foliage and bright flowers before producing a steady run of pods.
They need water while establishing and during prolonged dry spells, but they are otherwise gloriously uncomplicated. In many temperate zones, they continue until the first frosts, and regular picking encourages more pods. Miss a few, and they become rather large and furry; simply save those to shell as beans, rather than pretending they are still dainty.
I love them at the back of a bed, where their height earns its keep and their flowers bring in pollinators. Start with a reliable seed such as Prizewinner Runner Beans from Ture Leaf Market, then let the beans perform their annual magic trick of becoming both food and screening.
5. Potatoes
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Potatoes (Solanum tuberosum) are perhaps the ultimate crop for gardeners who prefer results to fussing. Plant seed potatoes in loose, fertile soil or large grow bags, earth up the stems once or twice as they grow, and then allow the plants to get on with it.
They do appreciate water in a dry summer, especially when flowering and forming tubers, but they demand little pruning, staking, or persuasion. Grow bags are ideal for small back yards because harvesting becomes a satisfyingly theatrical act: tip out the compost and go prospecting.
Choose early varieties for quick harvests, or maincrops for winter storage. In areas with wet springs, wait until soil is workable rather than planting into cold mud; potatoes are patient, but they do not enjoy swamp life. A potato grow bag from Amazon is a neat route to homegrown spuds without sacrificing a border.
6. Jerusalem Artichokes
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Jerusalem artichokes (Helianthus tuberosus) are for anyone with a sunny corner and a tolerance for abundance. These tall, sunflower-like perennials grow from tubers, cope with poor soil, and return year after year with very little intervention.
Plant them where their height will not shade smaller crops, ideally at the back of the plot, and expect them to reach 6–10 feet. By fall, you can lift the knobbly tubers as needed, leaving a few behind to start next year’s colony. The phrase “a few” is important: this is a plant with expansion plans.
They are hardy across Zones 3–9 and make a useful edible screen, though I would not plant them in a tiny, highly ordered bed unless you enjoy negotiations with vigorous perennials. Their cheerful yellow flowers are a welcome bonus when much of the vegetable garden is beginning to look a touch exhausted.
7. Rhubarb
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Rhubarb (Rheum × hybridum) is technically a vegetable, though it spends much of its culinary career masquerading as dessert. More importantly, it is a perennial that asks for a good planting position once and then settles down for years.
Plant crowns in fall or early spring in rich, well-drained soil, with their buds just at soil level. Water during establishment, mulch annually with compost, and resist harvesting in the first year so the plant can build strength. After that, mature crowns offer spring stems with very little coaxing, especially in Zones 3–8 where winter cold helps them thrive.
Do not eat the leaves, which contain oxalic acid; the ruby stalks, however, are made for crumbles, compotes, and the kind of pie that makes dinner guests forgive nearly anything. Rhubarb crowns from True Leaf Market make establishing new plants quick and effortless.
8. Egyptian Walking Onions
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Egyptian walking onions (Allium × proliferum) are perennial onions with a party trick: they produce clusters of bulbils at the top of their stems, which eventually bend down, root, and “walk” across the bed. Any vegetable that behaves like a slow-motion creature feature deserves a place in the garden.
Plant the Egyptian Walking Onion seeds from Amazon, or bulbs in full sun and well-drained soil. They need little more than an occasional weed and a mulch in very cold climates. Harvest the green leaves like scallions, pull young bulbs, or collect the top bulbils for cooking and replanting.
They are hardy in Zones 3–10, reliable, and particularly useful for gardeners who forget to order seeds in spring. The best low-maintenance garden is not one that never needs you; it is one that can forgive you for being busy, then greet you with dinner anyway.
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