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crimson knotweed | Plant Finder | Fill My Garden

Home/Plants/Orchids

Plants > Orchids

crimson knotweed

Bistorta milletii

Genus: Bistorta
Family: Polygonaceae

About this plant

P. milletii is a clump-forming, upright, semi-evergreen perennial with linear to lance-shaped, pointed, dark green leaves to 30cm long with prominent mid-ribs. Profuse, dense, cylindrical spikes of slender, rich-crimson flowers from early summer to late autumn to 60cm tall

Growing Information

Height

0.5-1 Metres

Spread

0.1-0.5 Metres

Hardiness

Foliage

Semi Evergreen

Growing Conditions

Sunlight

Full SunPartial Shade

Soil

ChalkLoam

AcidAlkalineNeutral

Not Currently Available

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

Moisture

Poorly DrainedMoist But Well Drained

Aspect

West FacingNorth FacingSouth FacingEast Facing

Exposure

ShelteredExposed

Care Guide

Cultivation

Grow in any moist soil in full sun or partial shade. Tough and non-invasive but may self-seed

Pruning

Cut back after flowering

Propagation

Propagate by division in spring or autumn

Pests

Generally pest free

Diseases

Generally disease free

Garden Uses

Uses

Cottage InformalHedging ScreensGround CoverWildflower Meadow

Planting Places

Outdoor

Season of Interest

AutumnSpringSummerWinter

Size & Characteristics

Height

0.5-1 Metres

Spread

0.1-0.5 Metres

Habit

Bushy

Time to Full Height

Five To Ten Years