Image: JerryFriedman (CC BY-SA 3.0) via Wikimedia Commons
Exposurefull sun
Waterlow
Typeperennial
Distribution
Penstemon strictus
Penstemon strictus
Flower Colors
Description
Evergreen perennial to 75cm tall, forming large clumps of rich green, lance-shaped, slender leaves and producing upright spikes of royal blue to purple tubular flowers, over a long period from early summer
Mature Height
1m
Mature Spread
1m
Plant Characteristics
Foliage
Evergreen
Growth Habit
Clumping
Growth Speed
Moderate · 0.3 m/yr
Soil Texture
ChalkLoamSand
Soil pH
AcidAlkalineNeutral
Soil Moisture
Well-drained
Hardiness (RHS)
H7
Hardiness (USDA)
Zones 4-9
Flowering Season
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Key Features
City and courtyard gardensCoastalCottage and informal gardenGravel gardenPatio and container plantsPrairie plantingWildlife gardensCut flowersFlower borders and beds
Available Variants
| Container Size | Details | Price |
|---|---|---|
| H: 20cm | H: 20cm | €6.02 |
All prices include VAT. Availability may vary by season.