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sunflower 'Monarch' | Plant Finder | Fill My Garden

Home/Plants/Perennials

Plants > Perennials

sunflower 'Monarch'

Helianthus 'Monarch'

★ RHS AGMPollinator Friendly

Genus: Helianthus
Family: Asteraceae

About this plant

'Monarch' is an herbaceous perennial making a clump to 2.5m tall, with lance-shaped or ovate leaves to 30cm long and semi-double, dark-centred, rich yellow flower-heads 10-15cm wide from late summer through early autumn

Growing Information

Height

2.5-4 Metres

Spread

0.5-1 Metres

Hardiness

Foliage

Deciduous

Growing Conditions

Sunlight

Full Sun

Soil

ClayChalkLoam

AlkalineNeutral

Not Currently Available

This plant is not currently stocked at any garden centres on our platform.

Moisture

Poorly Drained

Aspect

East FacingWest FacingSouth Facing

Exposure

Exposed

Care Guide

Cultivation

Grow in a moderately fertile, humus-rich, moist but well-drained, neutral to alkaline soil in full sun. Will flower best after a long hot summer. May need support

Pruning

Cut back after flowering

Propagation

Propagate by division in spring or autumn

Pests

Can get slugs and snails

Diseases

May be affected by powdery mildews and sclerotinia diseases

Garden Uses

Uses

Ground CoverCottage InformalFlower Borders

Planting Places

Outdoor

Season of Interest

SpringSummerAutumn

Size & Characteristics

Height

2.5-4 Metres

Spread

0.5-1 Metres

Habit

Climbing

Time to Full Height

Five To Ten Years