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Alpine Rockery

Zaluzianskya ovata 'Star Balsam'

night scented phlox 'Star Balsam'

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

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Ultimate height

0.1–0.5 metres

Time to ultimate height

2–5 years

Ultimate spread

0.1–0.5 metres

Chalk

Clay

Loam

Sand

Moisture

Moist but well–drained

pH

Acid, Alkaline, Neutral

	Stem	Flower	Foliage	Fruit
Spring
Summer
Autumn
Winter

Full sun

Aspect

South–facing or West–facing

Exposure

Sheltered

Hardiness
Hardiness ratings
All ratings refer to the UK growing conditions unless otherwise stated. Minimum temperature ranges (in degrees C) are shown in brackets
H1a: under glass all year (>15C)
H1b: can be grown outside in the summer (10 - 15)
H1c: can be grown outside in the summer (5 - 10)
H2: tolerant of low temperatures, but not surviving being frozen (1 to 5)
H3: hardy in coastal and relatively mild parts of the UK (-5 to 1)
H4: hardy through most of the UK (-10 to -5)
H5: hardy in most places throughout the UK even in severe winters (-15 to -10)
H6: hardy in all of UK and northern Europe (-20 to -15)
H7: hardy in the severest European continental climates (< -20)

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

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