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reticulate thistle | Plant Finder | Fill My Garden

Home/Plants/Climbers

Plants > Climbers

reticulate thistle

Onopordum nervosum

★ RHS AGM

Genus: Onopordum
Family: Asteraceae
Common Names: Moor's cotton thistle

About this plant

A tap-rooted biennial forming a rosette of silvery-grey, spiny leaves to 50cm long, with prominent pale veins. Leafy, branched flowering stems to 2.5m tall are produced in the summer of the second year, bearing clusters of rounded, spiny-bracted, rosy-purple flower-heads

Growing Information

Height

1.5-2.5 Metres

Spread

0.5-1 Metres

Hardiness

Foliage

Deciduous

Growing Conditions

Sunlight

Full Sun

Soil

ClayLoamSandy

AlkalineNeutral

Not Currently Available

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

Moisture

Well Drained

Aspect

West FacingEast Facing

Exposure

ShelteredExposed

Care Guide

Cultivation

Grow in fertile, well-drained neutral to slightly alkaline soil in full sun; may self-seed freely. Ideal for a gravel garden or wild areas

Pruning

No pruning required

Propagation

Propagate by seed sown in containers in a cold frame, or in situ in autumn or spring

Pests

May be susceptible to slugs and snails

Diseases

Generally disease-free

Garden Uses

Uses

City CourtyardFlower BordersHedging ScreensBanks SlopesGround Cover

Season of Interest

SpringSummer

Size & Characteristics

Height

1.5-2.5 Metres

Spread

0.5-1 Metres

Habit

Climbing

Time to Full Height

Two To Five Years