Cosmos sulphureus 'Mandarin' (d)

Annual Biennial

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A half-hardy annual with fresh, fern-like foliage and a long flowering season. This selection is a compact, bushy double orange form to 30cm tall

Position

Full sun

Soil Types

Chalk, Clay, Loam, Sand

Size

Time to Maturity: 1 year

Growing Conditions

Chalk Clay Loam Sand

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

Position

Full sun

Aspect: South–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): H3

Colour & Scent

Season	Stem	Flower	Foliage	Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family: Asteraceae
Native to GB/Ireland: No
Foliage: Deciduous
Habit: Bushy, Columnar upright
Genus: Cosmos can be annuals or perennials with simple or pinnately divided leaves and large, long-stalked daisy-like flowers in summer
Name Status: Accepted

How to Grow

Cultivation

Grow in moderately fertile, moist but well-drained soil in full sun

Propagation

See sowing seeds indoors

Suggested planting locations and garden types

Cottage and informal garden
Patio and container plants
Bedding
Cut flowers
Flower borders and beds
Wall side borders

Pruning

Deadhead regularly to prolong flowering

Pests

May be susceptible to aphids and slugs

Diseases

May be susceptible to grey moulds