Penstemon 'Pensham Charlotte Louise' (Pensham Series)
penstemon 'Pensham Charlotte Louise'
'Pensham Charlotte Louise' is a herbaceous perennial 75cm high with semi-evergreen leaves and many flowers which are deep pink-red, the throats striped with pale pink and white and edged in darker pink, from midsummer to early autumn
Buy this plant
Size
Ultimate height
0.5–1 metresTime to ultimate height
2–5 yearsUltimate spread
0.1–0.5 metresGrowing conditions
Moisture
Well–drainedpH
Acid, Alkaline, NeutralColour & scent
| Stem | Flower | Foliage | Fruit | |
| Spring | Green | |||
|---|---|---|---|---|
| Summer | Pink White | Green | ||
| Autumn | Pink White | Green | ||
| Winter | Green |
Position
- Full sun
- Partial shade
Aspect
West–facing or East–facing or South–facing
Exposure
Sheltered Hardiness
H4Botanical details
- Family
- Plantaginaceae
- Native to the UK
- No
- Foliage
- Semi evergreen
- Habit
- Clump forming
- Genus
Penstemon may be deciduous or evergreen perennials or subshrubs, with simple, narrow leaves and racemes or panicles of bell-shaped or funnel-shaped flowers in summer and early autumn
- Name status
Unresolved
How to grow
Cultivation
Grow in fertile, moist but well-drained soil in full sun or light shade in a position sheltered from frosts and drying winds; in autumn, cut plants down by two-thirds of their height and protect with a dry mulch; for more advice, see penstemon cultivation
Propagation
Propagate by softwood cuttings in early summer or semi-ripe cuttings in midsummer, by division in spring, or by layering
Suggested planting locations and garden types
- City and courtyard gardens
- Cottage and informal garden
- Flower borders and beds
Pruning
Deadhead to encourage a longer flowering season; in autumn, cut plants down to about a third of their height to prevent windrock but leave some protection from frosts; in late spring or early summer after new growth appears and after frosts are over, cut out old stems
Pests
May be susceptible to slugs and snails, and by chrysanthemum eelworm
Diseases
Generally disease-free but may be affected by powdery mildews and grey moulds
Get involved
The Royal Horticultural Society is the UK’s leading gardening charity. We aim to enrich everyone’s life through plants, and make the UK a greener and more beautiful place.