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Conservatory Greenhouse
Size
Ultimate height
0.5–1 metresTime to ultimate height
2–5 yearsUltimate spread
0.1–0.5 metresGrowing conditions
Chalk
Loam
Sand
Moisture
Well–drainedpH
Alkaline, NeutralColour & scent
| Stem | Flower | Foliage | Fruit | |
| Spring | Green Grey Silver | |||
|---|---|---|---|---|
| Summer | Purple Yellow | Green Grey Silver | ||
| Autumn | Green Grey Silver | |||
| Winter | Green Grey Silver |
Position
- Full sun
Aspect
South–facing or West–facing or East–facing
Exposure
Sheltered Hardiness
H2Botanical details
- Family
- Caryophyllaceae
- Native to GB / Ireland
- No
- Foliage
- Evergreen
- Habit
- Bushy
- Potentially harmful
- Humans/Pets: Skin allergen, wear gloves and other protective equipment when handling. For further information and contact numbers regarding pets, see the HTA guide to potentially harmful plants
- Genus
Dianthus can be annuals, evergreen perennials or subshrubs with narrow, often greyish leaves and showy flowers that are frequently fragrant
- Name status
Accepted
- Horticultural Group
- Perpetual flowering carnations are half-hardy evergreen perennials grown under glass for cut flowers and for exhibition. Given temperatures above 10°C, they can flower all year round, the blooms to 10cm across, sometimes scented
How to grow
Cultivation
Grow in a well-drained, neutral to alkaline soil in full sun. Prefers a soil enriched with well-rotted manure or garden compost and an application of a balanced fertiliser in spring
Propagation
Propagate by softwood cuttings of non-flowering shoots in summer or by layering after flowering
Suggested planting locations and garden types
- Patio and container plants
Pruning
Deadhead regularly to prolong flowering
Pests
Diseases
May be susceptible to powdery mildews, a rust, a virus and fusarium wilt
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.