Spec sheet
- Hardiness
- Hardy to zone 5
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Sizes we grow
Container grown (CG)
- #1
- #2
About this plant
Penstemon barbatus ROCK CANDY® Ruby is a captivating perennial known for its vibrant upright habit and stunning ruby-red tubular flowers. It thrives best in USDA hardiness zones 5 through 8, preferring a well-drained soil environment for optimal growth. This plant enjoys full sun and moderate watering in cooler regions, showing exceptional tolerance to drought once established. The dazzling blooms attract pollinators, making it an excellent choice for pollinator-friendly gardens. Penstemon barbatus ROCK CANDY® Ruby typically reaches a height of 12 to 18 inches, with a spread of 12 inches, creating a vibrant splash of color in garden beds or borders. In addition to its rich hue, it is also noted for its deer-resistant qualities, making it a reliable choice for gardeners in areas with frequent deer activity.