Chrysanthemum yezoense

RHS Plant Profile

Hokkaido chrysanthemum

RHS

Synonyms

Chrysanthemum arcticum hort.
Dendranthema yezoense

Herbaceous Perennial

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A spreading perennial, rather variable in height, with lobed, aromatic leaves and white, fading to pink,daisy-like flowers with yellow centres produced from late summer to early winter

Position

Full sun

Soil Types

Chalk, Clay, Loam, Sand

Max Height

0.1-0.5 metres

Max Spread

0.5-1 metres

Size

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

Growing Conditions

Chalk Clay Loam Sand

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

Position

Full sun

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): H4
Drought Resistance: Yes

Colour & Scent

Fragrance Flower Foliage

Season	Stem	Flower	Foliage	Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family: Asteraceae
Native to GB/Ireland: No
Foliage: Deciduous
Habit: Bushy
Potentially harmful: Skin allergen. Wear gloves and other protective equipment when handling
Genus: Chrysanthemum are erect woody-based perennials with aromatic, pinnately lobed leaves and flowerheads of diverse form, from late summer to late autumn
Name Status: Correct
Plant Range: Japan

How to Grow

Cultivation

Tolerates most situations with well-drained soil and full sun

Propagation

Propagate by seed or by division

Suggested planting locations and garden types

Cottage and informal garden
Gravel garden
Rock garden
Banks and slopes
Underplanting of roses and shrubs

Pruning

Trim after flowering to keep tidy

Pests

Generally pest-free

Diseases

May be susceptible to glasshouse grey mould, powdery mildews and chrysanthemum white rust