Deep blue, delicate spires to 16 inches tall appear late spring and early summer above thick, sturdy leaves.
Noteworthy CharacteristicsNative to Alberta, Canada.
CareGrow in fertile, well-drained soil.
PropagationTake softwood cuttings in early summer or semi-ripe cuttings in midsummer. Divide in spring.
ProblemsPowdery mildew, rust, leaf spots, and Southern blight. Slugs and snails may damage young plants.
Fine Gardening Recommended Products
Hunter Industries MP-1000-90 Hunter Nozzle
Fine Gardening receives a commission for items purchased through links on this site, including Amazon Associates and other affiliate advertising programs.
D&X Garden Sprinkler
Fine Gardening receives a commission for items purchased through links on this site, including Amazon Associates and other affiliate advertising programs.
Dramm Revolution Adjustable 9-Pattern Metal Hose Nozzle
Fine Gardening receives a commission for items purchased through links on this site, including Amazon Associates and other affiliate advertising programs.
- Genus : Penstemon
- Plant Height : 1 to 3 feet
- Plant Width : 1 to 3 feet
- Zones : 3
- Light : Full Sun to Partial Shade
- Moisture : Medium Moisture
- Plant Type : Perennials
- Bloom Time : Spring, Summer
- Plant Seasonal Interest : Summer Interest
Plant Characteristics are only available to Fine Gardening members
Sign up for a free trial and get instant access to our complete plant guide as well as our entire collection of articles and videos.