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How Fast Do Bean Seeds Grow
How Fast Do Bean Seeds Grow. Green beans are a popular vegetable for the home garden. They grow quickly and require only sun and water. Pole varieties grow between 5 and 10 feet high, according to Cornell University, and require staking. Bush beans are compact and need no support.
Green beans are a popular vegetable for the home garden. They grow quickly and require only sun and water. Pole varieties grow between 5 and 10 feet high, according to Cornell University, and require staking. Bush beans are compact and need no support.
Time Frame
Bean seeds germinate within 8 to 10 days under optimal conditions. They emerge as a tiny hooked stem with one single lobe and perhaps a cracked seed coat. Within a few days, the first real leaves emerge. Green beans are harvested within 60 to 75 days, depending on the variety. Dried bean varieties may take as long as three or four months to mature, according to Purdue University.
Considerations
Bean seeds germinate best when soil temperatures are between 70 and 80 degrees Fahrenheit. They are slow to germinate when soil temperatures are below 60 F. They are not at all frost hardy, and are planted outdoors when daytime temperatures are above 75 F. They don't transplant well.
Warning
Bean seeds are damaged by soaking in water or by being planted in very wet soil. Plant them in warm, moist, but not soggy, soil at a depth of 1 inch beneath the surface.
