It’s really nothing more than being green the old-fashioned way. We just didn’t call it that. When I was a kid and our family went on vacation, we not only roped a neighbor into feeding our dog but also into watering the indoor plants while we were away. There were ferns in hanging baskets, easy-to-grow philodendron, temperamental African violets and a wide assortment of ivy and succulents. My grandmother is so good with them that twice a year, she used to hold a well-attended plant sale.

Recommendation: 15 Plants per 2,000 Square Foot Home

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