May is for Mom. Instead of buying her cut flowers that only last a week, why not get her something that will live for years to come? Choose an orchid, and the memory of Mother’s Day will come back to her every time it blooms. Here are two types of long-living orchids that are easy to care for. Phalaenopsis, shown in the photo above, is perhaps the easiest orchid to grow indoors. Well-grown plants can produce flowers that...