Heliopsis helianthoides var. scabra 'Waterperry Gold'

RHS Plant Profile

North American ox-eye 'Waterperry Gold'

RHS 1999

Herbaceous Perennial

A clump-forming perennial to 1.2m tall, with ovate leaves and deep yellow, semi-double flower-heads which age to light yellow, opening over a long period from early summer to early autumn

Position

Full sun

Soil Types

Chalk, Clay, Loam, Sand

Max Height

1-1.5 metres

Max Spread

0.1-0.5 metres

Size

Time to Maturity: 2–5 years
Max Spread: 0.1-0.5 metres
Max Height: 1-1.5 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 East–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): H6

Colour & Scent

Season	Stem	Flower	Foliage	Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family: Asteraceae
Native to GB/Ireland: No
Foliage: Deciduous
Habit: Bushy
Genus: Heliopsis are robust perennials with stiff, erect stems; opposite, lance-shaped leaves and showy rich yellow to orange flowers similar to sunflowers
Name Status: Accepted

How to Grow

Cultivation

Grow in moderately fertile, humus-rich, moist but well-drained soil in full sun. May need support

Propagation

Propagate by division in autumn or spring or propagate by basal cuttings in spring

Suggested planting locations and garden types

City and courtyard gardens
Coastal
Cottage and informal garden
Wildlife gardens
Flower borders and beds

Pruning

Deadhead to prolong flowering

Pests

May be susceptible to slugs

Diseases

Generally disease-free