Penstemon rydbergii var. rydbergii
Penstemon rydbergii var. rydbergii var. rydbergii
Rydberg's penstemon thrives in partly shaded spots with well-drained, moderately moist soil and dislikes prolonged drought. Water regularly during the growing season but avoid waterlogged conditions, especially in winter. This Rocky Mountain native is a charming choice for wildlife gardens and naturalised meadow plantings.
Care Level
Moderate
Sun
Partial Shade
Water
Moderate
Growth Rate
Moderate
Mature Height
12″ – 24″
Soil
sandy loam
Life Cycle
Perennial
Spacing
18″
Flowers
blue
Watering Schedule
Every 7-10 Days • Water Deeply Until Soil Is Moist, Then Allow The Top Inch To Dry Before Watering Again
Soil pH
6 – 8
Temperature
-30° – 85°F
Mature Spread
up to 12″
Root Depth
Medium
Foliage
Medium
Native to
Attracts
Sources
Data: trefle, usda
No nurseries currently have this species in stock.