Calendula arvensis

RHS Plant Profile

field marigold

John Fielding

Synonyms

Calendula arvensis subsp. micrantha
Calendula micrantha

Annual Biennial

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An attractive annual marigold with lanceolate, hairy, green foliage and small yellow flowers that appear from April to December

Position

Full sun, Partial shade

Soil Types

Loam, Sand

Max Height

0.1-0.5 metres

Max Spread

0.1-0.5 metres

Size

Time to Maturity: 1 year
Max Spread: 0.1-0.5 metres
Max Height: 0.1-0.5 metres

Growing Conditions

Loam Sand

Moisture: 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: Asteraceae
Native to GB/Ireland: No
Foliage: Deciduous
Habit: Bushy, Clump forming
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: Correct

How to Grow

Cultivation

Grow in well drained soil in full sun. Sow direct in Spring, 0.5cm deep into finely prepared soil

Propagation

Propagate by seed in Spring or Autumn

Suggested planting locations and garden types

Mediterranean climate plants

Pruning

Regularly deadhead to extend flowering. Cut back to ground level after flowering

Pests

May be susceptible to aphids

Diseases

May be susceptible to Powdery mildews and a virus