Rob's Plants - Plant profile with basic horticultural information and often personal observations. Also seed germination records. (zone 4-9) (4 photos)
Plant Delights Nursery - Catalog page with photo, horticultural basics, and descriptive blurb. (1 photo)
Rob's Plants: Penstemon hirsutus var. pygmaeus - Plant profile with basic horticultural information and often personal observations. Also seed germination records. (zone 3-9) (3 photos)