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How Long Do Bean Plants Grow In Length

How Long Do Bean Plants Grow In Length?

Bean plants are easy to grow, and any gardener can try growing their own, but do you know how long bean plants grow in length?

Beans are the second most popular vegetables to grow. They grow fast, providing ready beans to eat within 2 months from planting.

They are available in both bush and vine varieties and require plenty of suns to grow well.  Being one of the oldest cultivated vegetables, beans are incredibly adaptable and a staple in many cuisines worldwide.

So How Long Do Bean Plants Grow In Length?

Common beans are either pole beans that grow on long vines or low-growing bush beans.  Most of them are green beans, but there are red, purple, streaked, or yellow beans.  These beans grow about 2 to 15 ft. tall and 2 to 3 ft. wide, depending on the type of beans.

Beans are best planted in the spring, with their flowers appearing 2 months after planting.  Harvest time varies depending on the type of bean but does not exceed 2 months.

So How Long Do Bean Plants Grow In Length

Types Of Bean Plants You Can Grow

Beans are divided into two classes – bush beans and pole beans.

  • Bush Beans grow very fast and may be sown every 3 to 4 weeks from spring to provide a successful harvest in summer.  They are excellent for filling gaps and perfect for tubs and window boxes.
  • Pole Or Climbing Beans – This type needs a little more space and some form of support to help them climb.  This type also bears more beans than the bush type giving you a bumper harvest. These beans are great at adding height to a vegetable garden and make an attractive feature.

Besides these two categories, beans are also categorized by their pods.  Green beans have smoother, slender pods, and depending on where you live, you will know them as snap beans, French beans, or string beans.

Runner beans have slightly coarse pods, and they crop a few weeks later than the string beans.  Some beans love the warmer climates, like the lima beans and soya beans.

Growing Green Beans

Green beans, also known as snap beans, are tender beans that grow annually starting in spring.  They are grown for fresh eating or canning.

Green beans are called so as they are green in color, but other snap beans can be yellow, speckled, or purple, depending on the variety.  The yellow ones are sometimes called wax beans.

Green beans pods can vary in size – some are just 3 to 4 inches long while others are 6 to 8 inches long.  The pods can either be round or flat.


Sow your green beans in the garden after the frost date has passed in spring.  If you want to get an early start of the season, sow them indoors as early as 3 to 4 weeks before the last date of the frost date for transplanting in the garden.

Beans grow almost immediately it touches the soil.  The pods will be ready for harvest within 2 weeks to a month.

If you want a continuous fresh harvest through the bean-growing season, sow a succession crop every 2 weeks.

Green beans can continue in the garden until the first frost in the fall, but they will not set pods in temperatures over 80 degrees F.

Maintenance And Pest Control

Green beans are very low-maintenance vegetables, and once they grow very well. Keep an eye for slugs and Mexican beetles that love to infest in beans.  The Mexican beetles are orange-red pests that have 16 black spots on their backs.  Their egg and larvae stages are all yellow and can damage your whole bean garden.  To eliminate them, handpick them and destroy them on the spot.

Orange Guard 101 Home Pest Control Gallon


Beans are also susceptible to fungal infections, so it’s essential to stay out of the bean patch when the weather is wet. Watering can also cause this problem if you are feeding your beans with too much water. Water your green bean plants once a week without rain; pay close attention to irrigation when the plants flower and produce pods. Continuously irrigate early in the morning so that the foliage has a chance to dry out at night.


Mulch your bean plants with shredded leaves or straw to reduce weed growth and keep the soil moisture.

The Best Place To Grow Green Beans Plants

Green beans thrive in full sun, at least 8 hours of sun or more each day.  They will also grow in partial shade, but the harvest is not as full as you would like.

Use well-drained soils, adding rich organic matter for better growth and productivity. Use planting beds if you like, but they are the best to have, and add a good amount of old compost.

Avoid planting beans where there is soil nitrogen is high or where green manure crops had just grown.  These beans will produce green foliage but few beans.  Ensure your soil has a pH of 6.0 to 6.8.

The Best Place To Grow Green Beans Plants

Harvesting Green Beans

Harvest green beans every few days to be able to get more.  The more you pick, the more you get, especially when the bean plants peak production.

Excess beans can be blanched, pickled, frozen, or shared with family and friends.  Never allow them to overgrow because you have harvested enough; you would instead share with other people than allow your green beans to overgrow.


Most families have been growing beans for generations – green beans, yellow, and all those kinds of beans.

Green beans have remained a favorite to many families to grow and enjoy throughout the season.  They are easy to grow and produce a good harvest to feed families or even share with others.

What are your favorite beans?  Baked beans? Fresh beans? Beans stew?  or bean soup?  Whatever it is, you can enjoy it more if you choose to grow your own.

You have no reason not to try them yourself.  You will do great in growing and enjoying them fresh from the garden.  Even new gardeners can grow a bumper harvest of beans more than they could ever dream.  In addition, you will do just perfectly!  We are here to cheer you on!