Green beans need warmth to germinate so it needs to be well after frost when it’s reliably warmer. The soil temperature needs to be at least 45☏ or 7☌, and preferably a bit warmer than that (55☏ or 12☌). Sow green beans toward the end of spring. As this all decomposes it will create a rich, water-retentive cushion of goodness for roots to grow down into – and this will really help plants in hot weather. If summers are particularly hot and dry where you garden, you might want to consider growing in “trenches.” You just dig out a trench and fill with compost before returning the soil. But you don’t want them sitting in pools of water, so good drainage is important, too. Beans love a deliciously moist, fertile soil as they are thirsty plants. Add a couple inches of organic matter such as compost to the soil a couple weeks before planting this will also improve the water-holding capacity of the soil. While pole beans enrich the soil with nitrogen, they still do need rich, fertile soil. Like all green beans, pole beans love one of the sunniest spots in your garden! Ideally, they’ll be getting at least five hours of direct sunshine a day, and preferably eight. ![]() See how to build a green bean teepee and other supports for beans. This both keeps things neater at the top, so it’s not a jumble up there, and it stops further growth that might distract these vines from flower and pod production. Quick tip – once the beans reach the top of their supports, just take a moment to cut off, or ‘pinch out’ the growing points to stop them climbing any further. The beans find their own way onto these supports they’re programmed to climb so the tendrils will cling on tightly and quickly begin to wrap themselves around any support they come into contact with. Also, they’re quite attractive, made more glorious once the flowers appear and then the beans dangle down from overhead. ![]() One popular support you’ve probably seen in gardens is the “teepee.” These work well because they stand up to the wind. ![]() Supports need to be at least 6-feet-tall from ground to the top. You’ll need some type of support from a fence to a teepee to a trellis as we’ll explain below. But that doesn’t necessarily mean you need lots of garden space as you can always grow them UP vertically. Depending on the variety, pole beans grow from (at least) 6 feet tall up to 12 feet tall.
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