Green beans are a rewarding vegetable to grow at home and an excellent addition to any garden. Below we share the basics of growing green beans in a home garden, as well as common mistakes and considerations.
Green beans are not a frost tolerant vegetable. This means the best time to plant them is mid to late spring, once there is no longer a chance of frost in your area.
Plant your green bean seeds directly in the soil of your garden or container at a depth of 0.5 inches (1 centimetre). Seeds can be planted outside or you can germinate them indoors and transplant them later. Typically, green bean seeds take about 1 - 2 weeks to fully germinate.
If transplanting, the best time to move green bean plants outside is when they reach 3 - 4 inches (7 - 10 centimetres) tall or have at least 3 - 4 true leaves.
When planting green beans in the garden, it’s best to space them 1 - 2 feet (30 - 60 centimetres) away from the nearest plant.
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The key to caring for green beans in containers is well draining soil and a pot big enough for their root system. Aim for a pot that is roughly 288 cubic inches (4,719 cubic centimetres) in size. Any old flower pots you have lying around should do the trick.
For more in depth information, check out our full guide on growing green beans in containers.
On average, it takes about 40 - 50 days for planted green bean seeds to develop into a fully mature plant.
Typically, green bean plants reach about 2 - 3 feet (or 75 centimetres) in height. Though this can fluctuate depending on the variety.
Green beans need at least 6 hours of direct sunlight every day in order to thrive. Be careful to place your plants in an area that receives adequate sunlight. Otherwise, they may not mature properly.
Green beans like well draining soil that is kept consistently moist, but not wet or soggy. The amount of water it takes to achieve this effect will differ depending on the type of soil available to you.
Be sure to water your green beans on a consistent, steady schedule. This will ensure the plant yields a healthy, uniform crop.
If growing your green beans in pots, they will need to be watered more frequently than green beans planted directly in the garden.
You will know your green beans are in need of more water when their leaves wilt, yellow, and/or the plant begins to droop. But be careful, this can also happen if the plant receives too much water. This is a difficult balance for most novice gardeners. But the more time you spend with your green beans, the better you’ll be able to gauge how thirsty they are.
Leaving a short bit of stem attached, cut the bean from the plant with a sharp knife or scissors. Be careful to avoid pulling them by hand, as this can cause vines to break.