How to Grow Chayote: Plant the Whole Fruit

Chayote breaks one of the basic rules of vegetable gardening: you do not plant a seed, you plant the entire fruit. Each pale green, wrinkled, pear-shaped chayote (Sechium edule) contains a single large seed fused to its flesh, and the whole fruit sprouts as a unit. You set a sprouting chayote in the ground, and from it erupts one of the most vigorous vines in the garden, capable of covering an arbor, a fence, or a shed in a single season and, in mild climates, coming back bigger every year as a perennial.

Also called mirliton, christophine, or vegetable pear, chayote is a tropical and subtropical member of the squash family. The mild, crisp fruit is eaten cooked or raw like summer squash, and the young shoots, leaves, and even the starchy root are edible too. It is wildly productive; a single established plant can bear dozens to hundreds of fruits. The two things you must respect are its appetite for space and its complete intolerance of frost. Get those right and chayote is one of the most rewarding and low-maintenance crops you can grow.

How to Sprout and Plant a Chayote

Start with a mature, healthy, store-bought or garden chayote, ideally one that is already showing a sprout pushing out of the fat end. To encourage sprouting, set a whole fruit in a warm spot indoors, or half-bury it on its side in a pot of moist soil with the fat (stem) end slightly tipped up and exposed, and wait a few weeks. A shoot and roots will emerge from the broad end where the fruit naturally splits. Do not try to remove the seed; the entire fruit must be planted, and it feeds the seedling as it establishes.

Once the danger of frost is past and the soil is warm, plant the sprouted fruit outdoors. Lay it on its side at a slight angle in a hole, with the sprouting end up and out of the soil and the broad end barely covered, burying only about half to two-thirds of the fruit so the growing tip stays above ground. Planting it flat or tilted, rather than upright, helps prevent the exposed fruit from rotting. In short-season climates, sprout the fruit indoors in late winter or early spring so it has a running start by the time it goes outside, since chayote needs a long warm season to produce.

When and Where to Plant

Chayote is strictly frost-tender and needs warmth, so plant it out only after all frost danger has passed and nights are reliably warm. It thrives in long, hot, humid summers and is naturally suited to USDA zones 8 through 11, where it can survive winter and grow as a perennial. In zones 7 and colder, the top growth dies at the first frost, but you can sometimes overwinter the tuberous root with heavy mulch, or simply treat the plant as an annual and start a fresh sprouted fruit each spring. Because it commonly flowers and fruits only as days shorten in late summer and fall, gardeners in short-season areas may run out of frost-free time before harvest, which is the main climate limitation.

Pick a full-sun site with rich, deep, well-drained soil and, above all, room. This is a massive plant: a single vine routinely grows 30 feet or more in a season and needs a robust structure to climb. An arbor, a strong fence, a pergola, or a heavy-duty trellis is ideal, both because the vine demands support and because keeping the fruit up off the ground keeps it clean and easy to pick. Enrich the planting area generously with compost, since chayote is a heavy feeder that rewards fertile ground with explosive growth and heavy yields.

Supporting and Training the Vine

Chayote climbs by tendrils and will scramble up and over anything you give it, so set up the support before or at planting time. A sturdy overhead structure like an arbor or pergola is the classic choice; the vine drapes over the top and dangles its fruit underneath where it is shaded and easy to harvest. Guide the young shoots onto the structure as they grow, and after that the plant largely trains itself. Because the mature vine is heavy, make sure your trellis is genuinely strong; a lightweight one will be pulled down. The same trellising logic applies to other big climbing cucurbits, as in our guide to growing bottle gourd.

If your vine grows huge but refuses to set fruit, the usual culprits are insufficient time (frost arrives before the short-day flowering window completes), too much nitrogen driving leaves over fruit, or a lack of pollinators. Chayote bears separate male and female flowers and relies on bees for pollination, so a pollinator-friendly garden helps; in their absence you can hand-pollinate by dabbing pollen from male flowers onto females. Easing off high-nitrogen feeding as the plant matures encourages it to switch from vegetative growth to fruiting.

Watering, Feeding, and Seasonal Care

Keep chayote consistently and generously watered, especially in hot weather and once it begins flowering and fruiting. The huge leaf area transpires a great deal of water, and a stressed, dry plant will drop flowers and slow down. Deep, regular watering plus a thick mulch around the base to conserve moisture and feed the soil keeps it cropping hard. Feed with compost or a balanced fertilizer through the growing season to fuel the relentless growth, tapering nitrogen as flowering approaches so energy goes into fruit.

In frost-free zones, the plant dies back somewhat in the cooler, drier season and then resurges from its perennial root the following spring, growing larger and more productive each year. In borderline climates where frost kills the top growth, cut back the dead vine after frost and mulch the root crown deeply with straw or leaves to protect it; if the root survives, it will resprout. Where winters are too harsh for the root to make it, simply sprout a fresh fruit indoors and start again, which is easy and reliable.

Harvesting Chayote

Harvest chayote young and tender for the best texture and flavor, when the fruits are roughly the size of your palm, typically 4 to 6 inches, and the skin is still smooth-ish and easily dented with a fingernail. At this stage the flesh is crisp and mild, perfect for sauteing, roasting, stuffing, or shredding raw into slaws. If left on the vine too long the fruit toughens, the skin hardens, and the inner seed begins to sprout in place, though even those over-mature fruits are exactly what you save to plant next season.

Pick frequently once production starts, because the plant is astonishingly prolific and regular harvesting keeps it producing; a single established vine can yield dozens to well over a hundred fruits in a good season. Beyond the fruit, the tender growing shoot tips and young leaves are edible cooked like greens, and in tropical regions the large starchy root is dug and eaten like a potato or yam. Store harvested chayote in the refrigerator, where it keeps for several weeks, and set aside a few good fruits to sprout for next year’s crop. For more space-saving and high-yield vining crops, browse our plants and flowers hub.

Common Problems

The number one chayote complaint is “huge vine, no fruit,” almost always a season-length or pollination issue as described above; choosing the warmest, longest-season spot and supporting pollinators usually solves it. Rotting of the planted fruit is the next most common, caused by burying it too deep or in cold, wet soil, so plant it tilted with the sprout end exposed in warm conditions. Pest-wise, chayote can attract the usual squash pests such as aphids, cucumber beetles, and squash bugs, plus slugs on ground-level fruit, which is another reason to trellis it. Otherwise it is remarkably trouble-free, and its sheer vigor tends to outrun minor setbacks.