Penstemon 'Pensham Plum Jerkum' (Pensham Series)
penstemon 'Pensham Plum Jerkum'
'Pensham Plum Jerkum' is a bushy, semi-evergreen perennial to 70cm in height with lance-shaped, green leaves. Upright racemes of small, tubular, plum-purple flowers, with white mottled throats, are borne from early summer to mid-autumn
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 | Purple | Green | ||
| Autumn | Purple | Green | ||
| Winter | Green |
Position
- Full sun
- Partial shade
Aspect
South–facing or West–facing or East–facing
Exposure
Exposed or Sheltered Hardiness
H4Botanical details
- Family
- Plantaginaceae
- Native to the UK
- 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 plant overwinter with a dry winter mulch
Propagation
Propagate by softwood cuttings in early summer or semi-hardwood cuttings in midsummer. Propagate by division in spring
Suggested planting locations and garden types
- Cottage and informal garden
- Patio and container plants
- City and courtyard gardens
- Wildlife gardens
- Low Maintenance
- Flower borders and beds
- Underplanting of roses and shrubs
Pruning
Deadhead after flowering to maintain vigour, then cut back to base in winter
Pests
May be susceptible to slugs, snails and chrysanthemum eelworms
Diseases
May be subject to a downy mildew
Penstemon 'Pensham Plum Jerkum' (Pensham Series)
penstemon 'Pensham Plum Jerkum'
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