Dr. Allan Armitage and Senior Editor Julie Hullett have teamed up to make a series of videos on varieties. In each clip, Julie surprises Dr. Armitage with an annual, perennial, and shrub, and Dr. A offers his advice, warnings, and recommendations. Hear Dr. Armitage’s hot takes on geranium, agastache, and rhododendron. Find all videos on Greenhouse Grower’s YouTube channel.