Hydrangea seemannii
Seemann's hydrangea
A woody, evergreen climber with aerial roots and leathery leaves up to 15cm long. Domed flower-heads, composed of greenish-white, fertile flowers surrounded by white bracts, appear in summer
Size
Ultimate height
8–12 metresTime to ultimate height
10–20 yearsUltimate spread
2.5–4 metresGrowing conditions
Moisture
Moist but well–drainedpH
Acid, Alkaline, NeutralColour & scent
| Stem | Flower | Foliage | Fruit | |
| Spring | Green | |||
|---|---|---|---|---|
| Summer | White | Green | ||
| Autumn | Green | |||
| Winter | Green |
Position
- Full shade
- Full sun
- Partial shade
Aspect
South–facing or North–facing or West–facing or ·¡²¹²õ³Ù–f²¹³¦¾±²Ô²µ
Exposure
Sheltered Hardiness
H4Botanical details
- Family
- Hydrangeaceae
- Native to GB / Ireland
- No
- Foliage
- Evergreen
- Habit
- Climbing
- Potentially harmful
- Skin allergen. Wear gloves and other protective equipment when handling. Pets (dogs, cats): Harmful if eaten. For further information and contact numbers regarding pets, see the HTA guide to potentially harmful plants
- Genus
Hydrangea can be deciduous or evergreen shrubs, or self-clinging climbers, with flowers in clusters usually comprising both small fertile and more showy sterile flowers; often good autumn colour
- Name status
Correct
- Plant range
- Mexico
How to grow
Cultivation
Grow in sun or shade, in a moist but well-drained soil enriched with well-rotted organic matter. Will only tolerate a few degrees of frost
Propagation
Propagate by layering
Suggested planting locations and garden types
- City and courtyard gardens
- Cottage and informal garden
- Low Maintenance
- Wall side borders
Pruning
Pruning group 11 after flowering
Pests
May be susceptible to aphids, capsid bug, hydrangea scale and vine weevil
Diseases
May be susceptible to a leaf spot, powdery mildews, grey moulds (Botrytis) and honey fungus (rarely)
Hydrangea seemannii
Seemann's hydrangea
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