Rocky Knoll Farm
Penstemon Rubycunda 'Ruby Cardinal'
$26
Ruby Cardinal is a colorful penstemon with red blossoms accented with a bright white throat. Growing up to 24" tall, these perennials attract both hummingbirds and butterflies and can bloom all summer. This plant does well in full sun, is heat tolerant, and is hardy to -10°F when protected from wind chill.
Plant Type
Perennial
Bloom Time
Summer-Fall
Bloom Color
Red, White
Hardy Threshold
-10°F
Zones
6a-10
Sun Exposure
Full Sun
Mature Height
24 Inches
Spread
18 Inches
Soil
Well-Draining
Foliage
Semi-Evergreen
Features
