Beans, which belong to the legume family, are some of the most popular vegetables grown in the home garden. In fact, beans are right behind tomatoes in popularity. Green beans (also called snap beans), the kind most often found in home gardens, have many essential vitamins and minerals including calcium, potassium, vitamin A, folate, vitamin K and, of course, fiber. It is interesting to note that green beans also come in yellow and purple varieties! Growing snap beans is fairly easy to do and once you get the hang of it you can be harvesting and enjoying delicious beans year after year.
Green beans require full sun (at least 6 hours a day) organically rich and well-drained soil. Beans do not do well in cool, wet soil and will produce poorly if planted in these conditions. They prefer a soil pH of 6.5-7.5 Fertilization is not a necessity if the soil is organically rich.
Beans are a warm season vegetable and will need to be planted after all signs of frost are past and the soil is warm. Green beans are planted from seed. When you buy bean seeds from the garden center or nursery, store them in a cool, dry place and plant them as soon as possible after purchase. Do not use seeds from a prior season.
Sow the seeds about an inch in the soil and cover. Bush beans should be sown about 2-4 inches apart in rows that are 18-24 inches apart. Pole beans should be sown 4-6 inches apart in rows that are about 3 feet apart. You can also plant pole beans on small hills. If your soil is lacking in organic matter, you can add compost or manure to the soil. Give the seeds a good watering after planting.
Beans need about an inch of water per week. If they do not receive an adequate amount through rainfall, you can supplement by hand watering. Do not overwater the plants. Keep the bean plants free of weeds, as they will compete for nutrients and water supply as well as damage their fragile root system.
Your beans are ready to harvest when they are long, slender and crisp. Do not let the beans become overly mature (if the seeds inside the pod are bulging they are overly mature). Harvest your beans when they are completely dry. Picking beans when they are wet increases the risk of spreading bacterial blight.
The bean plant is fragile so be careful not to break the stems as you pick the beans. Your bean plant will produce new beans if you continue to harvest them. If you leave mature bean pods on the plant it will decrease new bean production and eventually stop.
Once you have harvested your beans you can store them in your refrigerator for up to 7-10 days. Green beans can be frozen, canned or dried. If you decide to freeze your beans, you will need to blanch them first. Go to these sites learn more about blanching vegetables or how to can vegetables.
Bacterial bean blight is a common problem with beans. Signs of this disease are yellow, water-soaked spots on leaves or lesions that look like the leaves are burned. Plant only disease-free certified seeds and do not touch or harvest bean plants when they are wet. Avoid overhead watering methods. Here’s more information about bean blights.
Bean mosaic disease is another common problem. This causes the bean to produce few or no pods. Signs of this disease are yellow/greenish plant leaves and irregular shaped leaves. There is no sufficient treatment for this at this time. Use disease-resistant varieties to prevent this problem.
Pests that bother beans include:
Leaf miner
Bean leaf beetle
Mexican bean beetle
Corn earworm
Slugs
Control methods include hand picking and disposing of pests or using organic pesticides when necessary.
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