How Long Does it Take Bean Plants to Germinate?

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Plant beans after the soil has warmed in the spring.

Bean plants are among the easiest vegetables to grow. They germinate quickly under the right conditions and produce flowers and fruit within 50 to 65 days, depending on the variety. If planted too early, though, beans may be slow to germinate or fail to germinate at all. Pay close attention to planting times and seed depth.


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Time Frame

Under good conditions, beans germinate in eight to 10 days. Beans may take two weeks or longer if the soil temperature is under 60 degrees Fahrenheit. Wait until daytime temperatures are above 75 degrees Fahrenheit before planting bean seeds for fast germination.


Many people soak bean seeds before planting, but this procedure can actually hamper germination by causing the seeds to crack or rot. Beans germinate best in evenly moist, but not soggy soil. Heavy clay soils tend to stay wet longer in the spring. Amend them with organic matter such as compost or manure to improve drainage, or plant green beans in raised beds.



In addition to improving drainage, raised beds warm up earlier in the spring, making them a good choice for gardeners in areas with short seasons. Another option is to lay black plastic over the soil two weeks before planting bean seeds. The plastic warms the soil and hastens seed germination. Remove the plastic before planting or cut slits in the plastic and leave it in place all summer. Plant green bean seeds 1 inch deep in sandy soils and 1/2 inch deep in clay soils that stay cold longer.


Planting beans in cups is a common preschool or kindergarten activity because the seeds germinate predictably, offering a first lesson in gardening. Beans don't handle transplanting well, though. Plant seeds directly in the garden after the soil has warmed for best results, rather than starting seeds indoors.


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