Chrysanthemum 'Cousin Joan' (21d)
chrysanthemum 'Cousin Joan'
A compact, bushy, deciduous herbaceous perennial which is later flowering than other varieties. It produces dark green, lobed foliage and single, strongly fragranced, magenta-pink flowers with a paler pink inner ring and yellow centres during October and November
Buy this plant
Size
Ultimate height
0.5–1 metresTime to ultimate height
1 yearUltimate spread
0.1–0.5 metresGrowing conditions
Moisture
Moist but well–drained, Well–drainedpH
Acid, Alkaline, NeutralColour & scent
| Stem | Flower | Foliage | Fruit | |
| Spring | Green | |||
|---|---|---|---|---|
| Summer | Green | |||
| Autumn | Pink Yellow | Green | ||
| Winter |
Position
- Full sun
Aspect
South–facing or West–facing or East–facing
Exposure
Sheltered Hardiness
H4Botanical details
- Family
- Asteraceae
- Native to the UK
- No
- Foliage
- Deciduous
- 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
Unresolved
- Horticultural Group
- Single Korean chrysanthemums are perennials with lobed leaves and single flowerheads
How to grow
Cultivation
Grow in a cold frame in a loam-based potting compost and move into a warm glasshouse in early autumn. Provide bright filtered light with good ventilation and a minimum temperature of 10 °C. During the growing season water moderately and apply a balanced liquid fertiliser weekly. See chrysanthemum cultivation
Propagation
Propagate by division or rooting softwood cuttings in loam-less potting compost at 16 °C in spring
Suggested planting locations and garden types
- City and courtyard gardens
- Cottage and informal garden
- Patio and container plants
- Cut flowers
- Flower borders and beds
Pruning
Pinch out growing tips and disbud as required
Pests
May be susceptible to leaf and bud eelworm, aphids, glasshouse whitefly, glasshouse red spider mite and capsid bug
Diseases
May be susceptible to glasshouse grey moulds, powdery mildews and chrysanthemum white rust
Get involved
The Royal Horticultural Society is the UK’s leading gardening charity. We aim to enrich everyone’s life through plants, and make the UK a greener and more beautiful place.