Chrysanthemum 'Boulou Bronze'

RHS Plant Profile

chrysanthemum 'Boulou Bronze'

Conservatory Greenhouse Herbaceous Perennial

A tender/half-hardy perennial that produces vigorous, bushy plants with thick stems. Plants are relatively dwarf reaching 60cm in height and flower in mid to late autumn. Blooms are double, incurved and brown-bronze in colour. Disbudded, they reach 14cm across. Florets are long and broad, overlapping, pointed and curled

Position

Full sun

Soil Types

Chalk, Clay, Loam, Sand

Max Height

0.5-1 metres

Max Spread

0.1-0.5 metres

Size

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

Growing Conditions

Chalk Clay Loam Sand

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

Position

Full sun

Aspect: West–facing or East–facing or South–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): H2

Colour & Scent

Fragrance 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: Unresolved

How to Grow

Cultivation

Pot up cuttings in spring, and restrict to three stems. Stake (see staking perennials) and feed regularly. Put outside in a sunny position once danger of frost is past. For large blooms, disbud. Bring pots into frost-free conditions as it gets colder. After flowering, reduce watering and store in frost-free conditions

Propagation

In spring, propagate by basal softwood cuttings taken from stools that were overwintered in frost-free conditions

Suggested planting locations and garden types

Patio and container plants
Cut flowers

Pruning

Pinch out growing tips and disbud as required

Pests

May be susceptible to chrysanthemum leaf miner

Diseases

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