The produce Jessie Mae Brown, 85, leaves on the porch of her East Oakland home helps to feed most of her block.

Some people have potted plants on their front porches. Others have rocking chairs or benches. Walk onto the porch of Jessie Mae Brown’s East Oakland home on any given day and you’re likely to be stepping around 100-pound bags of onions and potatoes or bins of apples and carrots—all fresh for the taking.

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