Oenothera lindheimeri Karalee White ('Nugauwhite'PBR) (G)

RHS / Joanna Kossak

Synonyms

Oenothera lindheimeri 'Nugauwhite'^PBR
Gaura 'Nugauwhite'
Gaura lindheimeri 'Nugauwhite'
Gaura lindheimeri Karalee White

Herbaceous Perennial

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A compact, upright, clump-forming perennial to around 60cm tall with mid-green, lance-shaped leaves. White flowers to 2.5cm across open from pink buds and are borne on the slender, branching stems from late spring into autumn

Position

Full sun, Partial shade

Soil Types

Chalk, Loam, Sand

Max Height

0.5-1 metres

Max Spread

0.1-0.5 metres

Size

Time to Maturity: 2–5 years
Max Spread: 0.1-0.5 metres
Max Height: 0.5-1 metres

Growing Conditions

Chalk Loam Sand

Moisture: Moist but well–drained or Well–drained
pH: Acid or Alkaline or Neutral

Position

Full sun Partial shade

Aspect: East–facing or South–facing or West–facing
Exposure: Exposed or 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): H4

Colour & Scent

Season	Stem	Flower	Foliage	Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family: Onagraceae
Native to GB/Ireland: No
Foliage: Deciduous
Habit: Columnar upright
Genus: Oenothera can be annuals, biennials or perennials, upright or spreading in habit, with simple or lobed leaves and bowl-shaped, white, yellow or pink flowers over a long period in summer
Name Status: Trade
Horticultural Group

Horticultural Classification Codes

Horticultural Classification Codes are often given to genera which have a large number of species or cultivars. They are used to categorise cultivated plants based on specific, shared characteristics such as shape, colour, size or flowering time, and can be displayed as letters or numbers

For example:
Dahlia ‘Sunset Kate (Sin) = Single flower
Rosa ‘Marigold’ (HT) = Hybrid Tea: This genus has changed from Gaura to Oenothera

How to Grow

Cultivation

Best grown in fertile, moist but well-drained soil in full sun though well-drained soil and partial shade is tolerated. Plants have a tendency to be short-lived

Propagation

Propagate by basal cuttings or softwood cuttings in spring or semi-ripe cuttings in summer

Suggested planting locations and garden types

Patio and container plants
Prairie planting
City and courtyard gardens
Cottage and informal garden
Wildlife gardens
Flower borders and beds

Pruning

Remove spent flowering stalks. Cut back plants in early spring

Pests

Generally pest-free

Diseases

Generally disease-free