Calendula PowerDaisy Sunny ('Kercalsun') (PowerDaisy Series)

RHS Plant Profile

marigold [PowerDaisy Sunny]

RHS

Synonyms

Calendula 'Kercalsun'

Annual Biennial Bedding

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A low, spreading, shrubby plant with neat, glossy, rich green foliage and a continuous covering of flat yellow double daises from spring until late autumn

Position

Full sun, Partial shade

Soil Types

Chalk, Loam, Sand

Max Height

0.1-0.5 metres

Max Spread

0.1-0.5 metres

Size

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

Growing Conditions

Chalk Loam Sand

Moisture: Well–drained
pH: Acid or Alkaline or Neutral

Position

Full sun Partial shade

Aspect: South–facing or West–facing or East–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): H5

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: Calendula can be annuals or woody-based perennials, with simple, aromatic leaves and showy, orange or yellow, daisy-like flower-heads in summer and autumn
Name Status: Trade

How to Grow

Cultivation

Grow in a light, poor, free-draining soil in full sun or partial shade. Ideal for patio containers grown in a peat-free, loam-based potting compost

Propagation

Propagate by softwood cuttings in summer

Suggested planting locations and garden types

Cottage and informal garden
Patio and container plants
City and courtyard gardens
Flower borders and beds
Garden edging

Pruning

Cut back after flowering; deadhead regularly to prolong flowering and pinch out terminal shoots to encourage bushy growth

Pests

May be susceptible to aphids

Diseases

May be susceptible to powdery mildews and a virus