Plants, one way or another, play a big part in our Christmas festivities and gift giving. I can’t think of any other holiday when plants are so important. We decorate our houses with evergreen wreaths, and deck our halls with holly. Or at least with laurel ropes, evergreen boughs and swags, and forced bulbs on the festive table. We also give plants as gifts, and may also receive a potted plant. The question is how can we…