All About Growing Beans

There's a lot to take into account when growing beans — what type to plant, when to plant, how to plant, pest control, and harvesting and storage — and we've compiled it all right here.
By Barbara Pleasant
June/July 2009
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Because they tolerate a wide range of climates, growing beans will produce a rewarding crop in most regions of the North America.
ILLUSTRATION: KEITH WARD
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(For details on growing many other vegetables and fruits, visit our Crop at a Glance collection page or check out our Food Gardening Guide app.)

Dependable and easy to cultivate, beans produce rewarding crops in a wide range of climates. Growing beans during the warm summer months may produce crisp green pods, protein-rich beans, or both, depending on variety.

Bean Types to Try

Snap beans (Phaseolus vulgaris) — the most popular garden beans — include bush and pole varieties, which vary in shape, size, and color. Tender filet beans are a type of green snap bean with stringless, slender, delicate pods. They are grown just like other snap beans. Growth period: 50-55 days bush, 50-67 days pole.

Dry beans (Phaseolus vulgaris) grow like snap beans, but the immature pods stay tender for only a few days as the plants hurry to produce mature seeds. They are easy to dry. Growth period: 55 days green, 85 days dry.

Scarlet runner beans (Phaseolus coccineus) produce showy clusters of red blossoms that attract hummingbirds and bumblebees. You can eat the young pods like snap beans, or let the pods dry and harvest the mature beans. Growth period: 60 days green, 90 days dry.

Lima beans (Phaseolus lunatus) stand up to humid heat and heavy insect pressure, which makes them a fine bean for warm climates. Growth period: 75 days bush, 85 days pole.

Yard-long beans, or asparagus beans (Vigna sesquipedalis), are grown for their long, slender pods, which are harvested at 12 to 18 inches long. Pods may be green, burgundy, or streaked. Growth period: 80 days.

Tepary beans (Phaseolus acutifolius), a type of dry bean, were developed by the native people of the Southwest, so they’re well-adapted to desert conditions. They come in various colors. See also: Tepary Beans: The Bean That Laughs at Drought and Ask Our Experts: Tepary Beans. Growth period: 80 to 90 days.

When to Plant Beans

Bean seeds germinate best when soil temperatures range between 60 and 70 degrees Fahrenheit. In spring, sow seeds in fertile, well-worked soil starting on or after your last frost date. When growing fast-maturing bush snap beans, make additional plantings at three-week intervals until midsummer.

How to Plant Beans

Prepare the planting bed by using a garden fork to loosen the soil. Mix in a 1-inch layer of mature compost. Plant seeds 1 inch deep and 2 to 4 inches apart. Thin bush beans to 4 inches apart; thin pole beans to 6 inches apart. Wide double rows (two parallel rows of beans planted 12 to 14 inches apart) are the most space-efficient way to grow beans.

Harvesting and Storing Beans

Harvest green beans when they are young and tender, and use two hands when picking to keep from breaking the brittle plants. Most bush beans will produce a second or third flush of beans after the first one is picked. Harvest pole beans at least twice a week to keep the plants productive. The mature beans of all snap bean varieties usually make good soup beans.

Allow dry beans to stay on the plants until the pods turn tan and the beans inside show good color and a hard, glossy surface. If damp weather sets in just when your beans should be drying, pull up the plants and hang them in a dry place until they are dry enough to shell and sort. Allow your shelled beans to dry at room temperature for two weeks before storing them in airtight containers. If you think insects might be present in your stored beans, keep them in the freezer.

Saving Bean Seeds

To save dry beans for replanting, select the largest, most perfect seeds from your stored beans. With snap beans, it is best not to harvest beans from plants grown for seed production. That way, the plants will channel all their energy into big seeds that will grow into big seedlings. Be patient, because snap bean varieties that have been bred to stay tender for a long time are often slow to develop mature seeds. Under good conditions, bean seeds will store for at least three years. A packet will plant about 25 feet of row, which should produce 20 to 30 pounds of bush snap beans, or 40 pounds or more of pole beans. Expect about 1 1⁄2 pounds of dry beans from a 25-foot row.

Preventing Bean Pests and Diseases

  • Brick-colored Mexican bean beetles sporting black spots often lay clusters of yellow eggs on leaves, which hatch into yellow larvae that rasp tissues from leaves. Handpick this pest in all life stages, and try spraying neem oil to control light infestations. In large plantings of more than one-fourth of an acre, releasing beneficial Pediobus wasps is a worthwhile strategy.
     
  • Beans grown in sites that recently supported grasses are often sabotaged by night-feeding cutworms. Diatomaceous earth sprinkled over the soil’s surface can help reduce losses.
     
  • Several fungal and bacterial diseases cause dark spots and patches to form on bean leaves. To keep from spreading diseases among plants, avoid working in your bean patch when foliage is wet.
     
  • Promptly cut down and compost plants that are past their prime to interrupt the life cycles of pests and diseases.

Bean Growing Tips

Extend your harvest of bush snap beans by planting them two or three times, with each sowing three weeks apart. In warm climates, make a sowing in late summer, about 10 weeks before your first fall frost is expected.

Grow more beans in less space by growing pole varieties, which produce more per square foot by making good use of vertical growing space. Tall bamboo poles or saplings make easy tripods to support pole varieties.

Be stingy with fertilizer. Beans benefit from fertile soil with a slightly acid pH (between 6.0 and 6.5), but once they are up and growing, beans make most of the nitrogen they need (which they use to nurture their crop of seeds). When growing beans in a new garden site, inoculating seeds with nitrogen-fixing bacteria before planting can help kick-start this process. Even simpler, scatter a few spadefuls of soil from last year’s bean patch into new planting sites.

Use bush beans as a cover crop in warm summer weather. You can turn the plants under, or pull them up and compost them.


In the Kitchen: Cooking Beans

Kids of all ages love to munch garden-fresh green beans, especially sweet and tender filet types. Extra green beans are easy to blanch and freeze, and rehydrated dried snap beans taste almost as good as fresh ones. Gather some of your soup beans at the mature green stage to use in succotash and other summer dishes, and dry the rest for winter. Green beans are a good source of fiber and vitamins A and C, while dry beans are rich in B vitamins and minerals. Team up beans with grains (such as rice or corn) to get prime protein from both foods, as beans and grains contain complementary essential amino acids.

See also: Discover Real Green Beans, Three’s Not a Crowd and Savoring Bean Gleaning Season.


Contributing editor Barbara Pleasant gardens in southwest Virginia, where she grows vegetables, herbs, fruits, flowers and a few lucky chickens. Contact Barbara by visiting her website or finding her on .


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Post a comment below.

 

RobHan
7/10/2014 3:28:12 AM
This is great. I am going to try this in my balcony garden. https://www.youtube.com/watch?v=uypd-1NetBo

Veera
6/18/2014 3:55:03 AM
I like the dependable and easy to cultivate, beans that produce rewarding crops in a wide range of climates. Thanks for posting this interesting article. http://www.pinterest.com/seodress/rocklin-real-estate-qualified-realtor-in-the-rockl/

RoseLetendre
2/8/2014 5:53:51 PM
I live in northern Alberta where the growing season start end of May and if we're lucky till October? Last year our first frost was end of september and it killed my beans and tomatoes. I started the tomatoes indoors and they were doing beautifully until frost hit. I had a lot of green tomatoes!! My flowers, cosmos, nasturtiums, bachelor buttons, and marigolds fared better. Bachelor buttons can go thru 2-3 frosts before dying here. Gardening is a challenge here but I'm up for it. In addition to early frosts, my soil is mainly clay based so I depend on adding peat moss and loam. I have to truck in soil. I'm a beginner and need much advice and I garden organically. Cheers to all my gardening friends out their. I have been a fan of ME news for years!

carina.tanzo
11/28/2013 9:06:36 AM
I live in a place where it rains every afternoon, temperatures go up to 30 C and humidity of up to 70%. I planted snap beans from Known-You seed com-taiwan. It has grown up to 2 ft so far. Unfortunately 2 plants have aready succumbed to root and stem rot. I worry that the rest will follow the same fate. What can I do to prevent the other plants from dying? Help!

KatieJ
7/13/2013 2:52:25 PM

Then there is the other side of the coin. I live on the Northwest part of Florida and we have had rainy days for two weeks now. I had both Blue Lake bush planted and Kentucky Wonder on a teepee of poles. It was so thick you could not see the poles! After all this rain, the leaves on all my tomatoes, and beans turned to slime. :(  I cut the beans back and the goats ate what was left. Now that we have some dry weather coming next week, I will replant. Just remember, having too much water is just as bad as a drought!

Katie


Jen Carres
2/18/2013 8:45:55 PM
The TickleMe Plant really does move when you Tickle It!

MADDY WHO
12/28/2012 3:43:48 PM
Yard Long (asparagus beans) beans are great in Asian stir-fry dishes. Blanch them for a few minutes, cut into 2-3" pieces and then add them to your beef stir-fry. Martin Yan has a great recipe for this. You can also dry-fry (char them a little in the wok) with some dried chiles, garlic etc. Yard long beans are milder than regular beans and they do have a little asparagus taste to them. These are my favorite beans, then Haricot Vert.

Wendy Mendoza
1/17/2012 1:37:06 AM
thanks for making this. i cant wait to grow beans in my windowsill. it sound easy-peasy. :3








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