Chrysanthemum 'Ruby Mound' (21c) | chrysanthemum 'Ruby Mound'

RHS

Synonyms

Dendranthema 'Ruby Mound'

Herbaceous Perennial

Buy this from Plant Nurseries
13 Suppliers

'Ruby Mound' is a garden cultivar whose handsome, rich red, semi-double flowers are borne in sprays in mid autumn

Position

Full sun

Soil Types

Loam

Max Height

0.1-0.5 metres

Max Spread

0.1-0.5 metres

Size

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

Growing Conditions

Loam

Moisture: Moist but well–drained
pH: Neutral

Position

Full sun

Aspect: West–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): H3

Colour & Scent

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: Accepted
Horticultural Group

Horticultural Classification Codes

Horticultural Classification Codes are often given to genera which have a large number of species or cultivars. They are used to categorise cultivated plants based on specific, shared characteristics such as shape, colour, size or flowering time, and can be displayed as letters or numbers

For example:
Dahlia ‘Sunset Kate (Sin) = Single flower
Rosa ‘Marigold’ (HT) = Hybrid Tea: Reflexed Korean chrysanthemums are perennials with lobed leaves and double or semi-double flowerheads, the ray-florets reflexed from the centre

How to Grow

Cultivation

Korean chrysanthemums are borderline hardy. Overwinter more tender cultivars in a cold frame. Needs a sunny site with moderately fertile, well-draining soil. See chrysanthemum cultivation

Propagation

Propagate by division in late spring or by cuttings

Suggested planting locations and garden types

Flower borders and beds

Pruning

Cut back after flowering

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