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Herbaceous Perennial

Dianthus Olivia Sweet ('Hilbealoswee') (Beauties Series)

pink [Olivia Sweet]

A low-growing, evergreen perennial, to around 15cm high, with narrow, deep green leaves. Produces fragrant, cherry red flowers with white centres and fine white edges, from late spring into summer

Synonyms
Dianthus 'Hilbealoswee'
Size
Ultimate height
0.1–0.5 metres
Time to ultimate height
2–5 years
Ultimate spread
0.1–0.5 metres
Growing conditions
Chalk
Loam
Sand
Moisture
Moist but well–drained, Well–drained
pH
Alkaline, Neutral
Colour & scent
StemFlowerFoliageFruit
Spring Red White Green
Summer Red White Green
Autumn Green
Winter Green
Position
  • Full sun
Aspect

South–facing or West–facing

Exposure
Sheltered
Hardiness
H6
Botanical details
Family
Caryophyllaceae
Native to GB / Ireland
No
Foliage
Evergreen
Habit
Matforming
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

Trade

How to grow

Cultivation

Grow in fertile, well-drained soil in full sun; do not allow plants to dry out

Propagation

Propagate by seed, or by softwood cuttings from non-flowering shoots in summer

Suggested planting locations and garden types
  • City and courtyard gardens
  • Cottage and informal garden
  • Gravel garden
  • Patio and container plants
  • Rock garden
  • Banks and slopes
  • Garden edging
Pruning

Deadhead regularly to maintain shape and promote flowering

Pests

May be susceptible to slugs and aphids

Diseases

May be susceptible to powdery mildews, a rust, a virus and fusarium wilt

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