Gardening tip: Add a koi pond

A reader recently asked about koi ponds and if I had any ideas or advice. I surely do. Lovers of nature enjoy the peace that water brings to any pastoral setting, whether it’s a babbling brook in the woods or a trickling waterfall in a terrace garden. But what is more soothing than a koi pond? With its colorful varieties of Japanese carp darting among rocks and plants, this touch of nature transfo…