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Steps
1
Prepare the planting site by choosing a spot with well-draining soil (pH 6 to 7) that receives at least 6 hours of sunlight daily. Work 1.5 pounds of low-nitrogen organic fertilizer into every 25 square feet of soil. Wait to plant until all danger of frost has passed and soil temperatures reach at least 55-60 degrees Fahrenheit.
Tip: Avoid planting where beans grew the previous year to prevent disease.
2
Sow seeds directly into the garden. For bush and half-runner beans, plant 1 inch deep and 2 to 4 inches apart in rows spaced 2 to 3 feet apart. For pole beans, first set up a teepee of 6- to 8-foot poles bound at the top, then sow seeds 1 inch deep and 4 to 6 inches apart.
Tip: Do not presoak bean seeds, as this can damage them.
3
Water the soil to keep it damp but not soggy until seeds sprout (typically 8 to 10 days). Once the plants have two true leaves, reduce watering slightly but ensure they receive 1 inch of rainfall or irrigation per week, preferably applied in the early morning.
Tip: Once the beans have two sets of true leaves, apply 3 to 4 inches of grass clippings or straw as mulch.
4
Support the plants based on variety. While bush beans are compact and do not require stakes, pole beans must be trained to climb their poles or trellises. For bush beans in raised beds, a small fence around the edge can prevent plants from falling over.
Tip: If growing in containers, choose pole beans and a large pot with a trellis since they grow primarily upward.
5
Monitor and treat for pests. Check for cutworms in the early evening; if found curled in a C shape at the stem, drop them into soapy water. To manage bean leaf beetles, time your planting to occur between the emergence of overwintering adults and the hatching of their offspring.
6
Harvest pods approximately 6 weeks after planting. Pick beans when they are about the size of a 4- to 6-inch pencil and before the seeds inside bulge. Pinch each pod off just below the stem using both hands to avoid breaking the plant. Harvest every 3 to 5 days to encourage continuous production.
Tip: Pick beans only when the plants are dry to prevent the spread of disease.
7
Store harvested beans based on use. If cooking within a few hours, they can remain at room temperature. Otherwise, keep them in a covered container in the refrigerator for up to 4 days. For long-term storage, blanch the beans before freezing.
Pro Tips
Use rhizobium inoculants on seeds before sowing to help the plants fix nitrogen from the air and increase yields.
Avoid high-nitrogen fertilizers, as they result in lush foliage but very few pods.
If temperatures rise above 85 degrees Fahrenheit, bean blossoms may abort without producing pods.