Oenothera lindheimeri 'Passionate Rainbow'PBR (G/v)

Synonyms

Gaura lindheimeri 'Passionate Rainbow'

Herbaceous Perennial

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A bushy, compact, clump-forming upright perennial with slender stems and narrow sword-shaped cream and pink variegated leaves. From early summer to autumn it flowers freely above the foliage on wand-like stems. Petals are pink, fading to dark-pink at their centre.

Position

Full sun, Partial shade

Soil Types

Chalk, Clay, Loam, Sand

Max Height

0.5-1 metres

Max Spread

0.1-0.5 metres

Size

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

Growing Conditions

Chalk Clay 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, Semi evergreen
Habit: Clump forming, Bushy
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: Accepted
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

Grow in fertile, moist but well-drained soil in full sun. Drought and partial shade are tolerated.

Propagation

Propagate from seed sown in spring and early summer. Increase by division, softwood cuttings and basal softwood cuttings in spring, or semi-ripe heel cuttings in summer.

Suggested planting locations and garden types

Cottage and informal garden
Prairie planting
Wildlife gardens
Flower borders and beds

Pruning

Trim back by half in mid-summer to encourage a fresh flush of flowers. Cut back hard in spring before growth begins.

Pests

Generally pest-free

Diseases

Generally disease-free