I have an infatuation with houseplants. It started when I was a kid and I convinced my mom to buy me a mini plastic greenhouse with six tiny herb pots from Publix. Later in grade school I graduated to a Chia Pet. Things started to get extreme when I went away to college. My roommates and I had a full-on ficus tree in our living room. It was a lifeless hand-me-down that we nursed back to health and decorated for Christmas. Its twiggy, brittle branches and droopy form came back to life and we potted it in a new shiny copper pot. "Nice tree," I recall friends saying. "Thanks, guys!" I've turned into the crazy plant lady. Recently, I walked in the front door with nine houseplants from the garden center because I couldn't decide "which air purifier was best." ...