Chrysanthemum 'Baltazar'

RHS Plant Profile

chrysanthemum 'Baltazar'

RHS

Conservatory Greenhouse Herbaceous Perennial

A spider-like chrysanthemum with flat, narrow, pale purple petals, lime green on the reverse, creating a lime-green centre to the flowers which are produced in late autumn under glass

Position

Full sun

Soil Types

Loam

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

Loam

Moisture: Moist but well–drained
pH: 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): H2

Colour & Scent

Season	Stem	Flower	Foliage	Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family: Asteraceae
Native to GB/Ireland: No
Foliage: Deciduous
Habit: Columnar upright
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

Grown in pots, these tender plants should be brought indoors in early autumn. Stop and disbud during the growing season, according to whether sprays or disbuds are required. Stake (see staking perennials), water regularly and feed until flower buds colour up. See chrysanthemum cultivation

Propagation

Propagate by basal cuttings in early spring

Suggested planting locations and garden types

Patio and container plants
Cut flowers

Pruning

Stop or disbud as required

Pests

May be susceptible to chrysanthemum leaf miner, glasshouse whitefly and aphids

Diseases

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