Contact your local county Extension office through our County Office List.

Close Icon
CSU Extension - A division of the Office of Engagement. Providing trusted, practical education to help you solve problems, develop skills and build a better future.
Established 1908

Penstemon ‘Prairie Jewel’   arrow

Penstemon grandiflorus

Scientific NamePenstemon grandiflorus
Common NamePenstemon ‘Prairie Jewel’
Growth FormHerbaceous perennial
Mature Size20-36” tall, 8-12” wide
FlowersShowy giant flowers white, lavender, pink, and purple, mid-summer
HardinessZones 3-9
Sun RequirementsFull Sun
Water RequirementsModerate to xeric
Soil RequirementsDry loam or sandy loam
Other InfoAttracts Butterflies, Pollinator Friendly, Extended Bloom Time