Penstemon 'Pensham Dorothy Wilson' (Pensham Series)
penstemon 'Pensham Dorothy Wilson'
An upright, semi-evergreen perennial to 90cm with narrow, dark green leaves and spires of bell-shaped, lilac flowers produced from mid-summer to autumn
Buy this plant
Size
Ultimate height
0.5–1 metresTime to ultimate height
2–5 yearsUltimate spread
0.5–1 metresGrowing conditions
Moisture
Well–drainedpH
Acid, Alkaline, NeutralColour & scent
Stem | Flower | Foliage | Fruit | |
Spring | Green | |||
---|---|---|---|---|
Summer | Purple | Green | ||
Autumn | Purple | Green | ||
Winter | Green |
Position
- Full sun
- Partial shade
Aspect
South–facing or East–facing or West–facing
Exposure
Sheltered Hardiness
H4Botanical details
- Family
- Plantaginaceae
- Native to GB / Ireland
- No
- Foliage
- Semi evergreen
- Habit
- Bushy
- 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
Accepted
How to grow
Cultivation
Grow in fertile, well-drained soil in full sun or partial shade. In cold areas, protect plants overwinter with a dry mulch. See penstemon cultivation
Propagation
Propagate by softwood cuttings in early summer, semi-hardwood cuttings in midsummer, or by division in spring
Suggested planting locations and garden types
- City and courtyard gardens
- Coastal
- Cottage and informal garden
- Patio and container plants
- Wildlife gardens
- Cut flowers
- Flower borders and beds
Pruning
Deadhead regularly or, after flowering, shorten flowered stems by half to encourage further flowering. Cut back to just above new shoots, or lowest healthy leaves, in spring after frost has passed
Pests
May be susceptible to slugs, snails and chrysanthemum eelworms
Diseases
May be susceptible to powdery mildews
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.