PEN0004
Twizzle Blue
Penstemon Seeds
Penstemon barbatus syn. Chelone barbata
Fleuroselect Approved Novelty Winner. Bright blue, 1-1½ in. tubular flowers on vigorous, well-branched plants. 2 to 3 ft. long stems make excellent cut flowers. Plants bloom June through September and will bloom the first year when started from seed. Flowers attract hummingbirds, bees and other beneficial insects. Winter hardy to zone 5.
Growing Twizzle Blue Penstemon Seeds
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 sun in hottest climates. Plants need little to moderate water once established. Avoid overly fertile soil. Flowers attract butterflies and hummingbirds. Plants are deer resistant.
Shipping Information
U.S. Shipping Rates
Free shipping on U.S. orders over $65.00.
Free priority shipping on U.S. orders over $150.00.
Standard U.S. shipping is $5.99.
Priority U.S. shipping is $9.99.
International Shipping Rates
Shipping to Canada is $13.99.
International shipping to all other countries is $15.99.
Satisfaction Guarantee
We guarantee all the seeds we sell for one full year from the date of purchase. If you are unsatisfied with any seeds purchased from Swallowtail Garden Seeds, we will issue a refund. For customers in the U.S., we can send one-time replacements or issue a refund.
