Papaver (Oriental Group) 'Harvest Moon' (d)

RHS Plant Profile

oriental poppy 'Harvest Moon'

Synonyms

Papaver orientale 'Harvest Moon'

Herbaceous Perennial

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A deciduous perennial to 90cm tall with hairy, divided, greyish-green leaves and erect, leafy stems bearing bowl-shaped, ruffled, deep orange, double flowers from late spring into early summer

Position

Full sun

Soil Types

Chalk, Clay, Loam, Sand

Max Height

0.5-1 metres

Max Spread

0.5-1 metres

Size

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

Growing Conditions

Chalk Clay Loam Sand

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

Position

Full sun

Aspect: South–facing or East–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): H7

Colour & Scent

Season	Stem	Flower	Foliage	Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family: Papaveraceae
Native to GB/Ireland: No
Foliage: Deciduous
Habit: Bushy
Genus: Papaver can be annuals, biennials or herbaceous perennials with simple or pinnately divided leaves and short-lived, saucer-shaped, 4-petalled flowers which may be solitary or in racemes
Name Status: Accepted

How to Grow

Cultivation

Grows best in deep, fertile, well-drained soil in full sun. May need support (see staking perennials)

Propagation

Propagate by division in spring or propagate by root cuttings in late autumn to early winter

Suggested planting locations and garden types

Cottage and informal garden
Patio and container plants
Prairie planting
Flower borders and beds
Cut flowers

Pruning

Cut back old flowering stems and leaves after flowering, for a fresh, second flush of foliage in the late summer

Pests

May be susceptible to aphids

Diseases

May be susceptible to downy mildews