Zaluzianskya ovata 'Star Balsam'

RHS Plant Profile
night scented phlox 'Star Balsam'
night scented phlox 'Star Balsam' John Fielding
Alpine Rockery

A mound-forming, evergreen perennial to 25cm tall, with branching, brittle stems and sticky, grey-green leaves to 4cm long. From early to late summer it produces highly fragrant, saucer-shaped, crimson-backed white flowers; these are closed during the day and open in the evening

Position

Full sun

Soil Types

Chalk, Clay, Loam, Sand

Max Height

0.1-0.5 metres

Max Spread

0.1-0.5 metres

Size

Time to Maturity
2–5 years
Max Spread
0.1-0.5 metres
Max Height
0.1-0.5 metres

Growing Conditions

Chalk Clay Loam Sand
Moisture
Moist but well–drained
pH
Acid or Alkaline or Neutral

Position

Full sun
Aspect
South–facing or West–facing
Exposure
Sheltered
Hardiness
H4

Colour & Scent

Fragrance Flower
Season Stem Flower Foliage Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family
Scrophulariaceae
Native to GB/Ireland
No
Foliage
Evergreen
Habit
Bushy
Genus
Zaluzianskya is a genus of compact, semi-evergreen perennials. By day, the flowers remain tightly curled up but by evening, uncurl into scented star-shaped white flowers blooming from mid to late summer.
Name Status
Unresolved

How to Grow

Cultivation

Grow in moist but sharply drained soil in full sun. Also suitable for growing in pots

Propagation

Sow seed in situ in spring

Suggested planting locations and garden types

  • City and courtyard gardens
  • Cottage and informal garden
  • Patio and container plants
  • Rock garden
  • Conservatory and greenhouse
  • Flower borders and beds

Pruning

No pruning required

Pests

Generally pest-free

Diseases

Generally disease-free