Yardlong beans, also known as Chinese long beans, asparagus beans, or snake beans, are a type of legume with long, slender pods that can grow up to 18 to 30 inches (45-75 cm) in length. These beans are a member of the cowpea family and are commonly grown in warm, tropical climates across Asia and Africa. They have a tender texture and a mild, sweet flavour, somewhat similar to that of green beans but with a slightly earthier undertone. Yardlong beans are commonly used in various Asian cuisines, often stir-fried, sautéed, or added to soups and curries. Their unique length makes them a visually striking addition to dishes, and their crunchy texture holds up well under heat. Nutritionally, they are rich in vitamins A and C, as well as dietary fibre and a range of antioxidants, making them a healthy and versatile ingredient. The plants are fast-growing and can be cultivated easily with proper sunlight and support, as the beans grow on climbing vines. This makes them popular among home gardeners and small-scale farmers. With their ability to adapt to various cooking methods and blend well with numerous flavours, yardlong beans are valued for both their nutritional benefits and culinary versatility.

How To Grow

Growing yardlong beans is relatively straightforward, especially in warm climates. Here’s a step-by-step guide:

1. Choosing the Location Yardlong beans thrive in warm, sunny spots with plenty of sunlight (6-8 hours daily). Choose well-draining soil, preferably sandy loam, with a slightly acidic to neutral pH (6.0-7.0).

2. Planting Time Yardlong beans prefer temperatures between 70°F and 85°F (21-29°C). Plant seeds in the late spring or early summer after the last frost. In tropical climates, they can be grown year-round.

3. Preparing the Soil Loosen the soil to a depth of around 12 inches (30 cm) to ensure good root development. Amend with compost or aged manure to enrich the soil with nutrients, as beans are heavy feeders.

4. Sowing the Seeds Sow seeds directly in the garden, as they do not transplant well. Plant seeds 1 inch (2.5 cm) deep and 3-4 inches (7.5-10 cm) apart in rows that are at least 24 inches (60 cm) apart. Water gently after planting to keep the soil moist.

5. Providing Support Yardlong beans are climbing plants, so they need support for their long vines. Install trellises, poles, or a sturdy fence before the plants begin to grow, as they can reach heights of up to 10 feet (3 meters). Space poles around 6 feet (1.8 meters) apart to give plants ample room.

6. Watering and Mulching Water the plants regularly to keep the soil evenly moist but not waterlogged. Avoid overhead watering to prevent mildew. Mulch around the plants to help retain soil moisture and reduce weed growth.

7. Fertilizing Yardlong beans fix nitrogen in the soil, so they usually require minimal additional fertilizer. If needed, apply a balanced, all-purpose fertilizer (low in nitrogen to encourage pod formation rather than foliage) early in the growing season.

8. Pest and Disease Management Common pests include aphids, beetles, and spider mites. Monitor plants and use organic pest controls, like insecticidal soap or neem oil, if necessary. Practice crop rotation and proper spacing to reduce the risk of fungal diseases like powdery mildew and root rot.

How/When To Harvesting

To harvest yardlong beans, follow these steps:

1. Timing Yardlong beans are typically ready for harvest within 60-70 days after planting, depending on the variety and growing conditions. Harvest when the beans reach about 12-18 inches (30-45 cm) in length. At this stage, they are tender and flavorful, with fully formed but not overly mature seeds inside. Check your plants frequently, as beans grow fast and can become tough if left on the vine too long.

2. Method Use clean garden scissors or pruning shears to cut the beans, or simply pinch them off by hand close to the vine. Avoid pulling or tugging, as this can damage the plant and reduce its productivity.

3. Frequency of Harvest Yardlong beans benefit from regular harvesting. Pick beans every 2-3 days to encourage the plant to produce more pods. Regular harvesting also prevents beans from maturing on the plant, which can signal the plant to stop producing new pods.

4. Handling Handle beans carefully to avoid bruising. Yardlong beans are delicate, and bruised beans can spoil faster.

5. Post-Harvest Storage Yardlong beans are best used fresh but can be stored in the refrigerator for up to a week in a plastic bag or container. For longer storage, blanch and freeze them, which preserves their flavor and texture for up to several months.