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Herbaceous Perennial

Chrysanthemum pacificum

pacific chrysanthemum

A semi-evergreen, bushy, mound-forming, low-growing herbaceous perennial with silver-grey and green fragrant foliage. Button-shaped yellow flowers appear in late summer

Synonyms

Chrysanthemum pacificum 'Silver and Gold'
Ajania pacifica 'Silver 'n' Gold'
see moreDendranthema pacificum 'Silver and Gold'
Dendranthema pacificum
Ajania pacifica

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Ultimate height

0.1–0.5 metres

Time to ultimate height

1–2 years

Ultimate spread

0.1–0.5 metres

Chalk

Clay

Loam

Sand

Moisture

Moist but well–drained

pH

Acid, Alkaline, Neutral

	Stem	Flower	Foliage	Fruit
Spring
Summer
Autumn
Winter

Full sun

Aspect

South–facing or West–facing or East–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)

Botanical details

Family: Asteraceae
Native to GB / Ireland: No
Foliage: Semi evergreen
Habit: Clump forming, 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 (Honshu)

How to grow

Cultivation

Does best in a well-drained, moderately-fertile soil in full sun. Pinch out the growing tip when the plants are 15-20cm tall to encourage free-flowering, bushy plants. See chrysanthemum cultivation for further information

Propagation

Propagate by division or rooting softwood cuttings in peat-free potting compost at 16°C in spring. Pot on rooted cuttings in late June to early July into 23cm pots and pinch out as soon as established

Suggested planting locations and garden types

City and courtyard gardens
Cottage and informal garden
Patio and container plants
Cut flowers
Flower borders and beds
Wall side borders

Pruning

Pinch out growing tips and cut down to 10cm after flowering

Pests

May be susceptible to aphids, chrysanthemum leaf miner, leaf and bud eelworms, earwigs, capsid bug and glasshouse red spider mite

Diseases

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

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