Clematis tubulosa Alan Bloom ('Alblo'PBR) (H)
clematis [Alan Bloom]
A bushy, non-climbing clematis, with relatively large, mid-green leaves with prominent veins. Clusters of scented, blue-purple, tubular flowers with recurved petals are carried above the foliage on dark stems from mid-summer to early autumn, and followed by fluffy, silvery seedheads
Size
Ultimate height
0.5–1 metresTime to ultimate height
2–5 yearsUltimate spread
0.5–1 metresGrowing conditions
Moisture
Well–drained, Moist but well–drainedpH
Acid, Alkaline, NeutralColour & scent
| Stem | Flower | Foliage | Fruit | |
| Spring | Green | |||
|---|---|---|---|---|
| Summer | Blue Purple | Green | ||
| Autumn | Blue Purple | Green | Grey Silver | |
| Winter | Green |
Position
- Full sun
Aspect
South–facing or West–facing
Exposure
Exposed or Sheltered Hardiness
H6Botanical details
- Family
- Ranunculaceae
- Native to GB / Ireland
- No
- Foliage
- Deciduous
- Habit
- Bushy
- Potentially harmful
- Skin irritant. Wear gloves and other protective equipment when handling. Pets (rabbits): Harmful if eaten. For further information and contact numbers regarding pets, see the HTA guide to potentially harmful plants
- Genus
Clematis can be deciduous or evergreen shrubs or herbaceous perennials, mostly climbing by twining leaf-stalks, and often with showy flowers. Some have attractive fluffy seedheads in autumn
- Name status
Trade
- Horticultural Group
- Heracleifolia Group consists of deciduous, woody-based sub-shrubs with erect or climbing stems, sometimes herbaceous, ternate or pinnate leaves, and narrowly bell-shaped or starry flowers on the current year's growth in summer and autumn
How to grow
Cultivation
Plant with the crown at soil level, in moisture-retentive, well-drained soil in full sun. See clematis cultivation for more advice
Propagation
Propagate by division or basal cuttings in spring
Suggested planting locations and garden types
- City and courtyard gardens
- Cottage and informal garden
- Banks and slopes
- Flower borders and beds
Pruning
Pests
May be susceptible to aphid, caterpillar, slug and snail damage on young growth; petals may be susceptible to earwigs
Diseases
May be susceptible to honey fungus (rarely), clematis wilt and clematis slime flux
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.