Penstemon Seeds
a.k.a. Beardtongue
Penstemon barbatus, P. digitalis, P. hartwegii, P. x mexicali
full sun, part shade in hot climatesTwizzle Series
Twizzle Series penstemons bloom in five rich colors: Blue, Coral, Purple, Scarlet, and White. Tubular, 1-1½ in. flowers are densely arranged on strong and slender, 2-3 ft. tall stems, superb for fresh cut bouquets. The bright flowers attract hummingbirds, bees, and other pollinating insects. The vigorous, well-branched plants bloom the first year, from June to September, add long-lasting beauty to garden beds, borders, and create vertical interest in large mixed containers. Twizzle Purple penstemon is a winter hardy perennial to zone 5, and can be grown as an annual everywhere.
More Outstanding Penstemons
How to Plant and Grow Penstemon
Plant Penstemon Seeds: Sow penstemon seed in cell packs or flats, press into soil, and barely cover. Kept at 60-70° F., germination in 14 to 30 days.
Grow Penstemon: Penstemons prefer full sun, part shade in hottest climates. Plants need little to moderate water once established. Avoid overly fertile soil. Flowers attract butterflies and hummingbirds. Plants are deer resistant.