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willow gentian | Plant Finder | Fill My Garden

Home/Plants/Perennials

Plants > Perennials

willow gentian

Gentiana asclepiadea

★ RHS AGM

Genus: Gentiana
Family: Gentianaceae
Common Names: milkweed gentian

About this plant

G. asclepiadea is an herbaceous perennial to 1m, with arching stems bearing lanceolate leaves, and trumpet-shaped deep blue flowers 4-5cm in length in the upper leaf axils in late summer and early autumn

Growing Information

Height

0.5-1 Metres

Spread

0.1-0.5 Metres

Hardiness

Foliage

Deciduous

Growing Conditions

Sunlight

Partial Shade

Soil

ChalkLoamSandy

AcidNeutral

Not Currently Available

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

Moisture

Poorly Drained

Aspect

South Facing

Exposure

Exposed

Care Guide

Cultivation

Grow in light, humus-rich soil that is reliably moist but well-drained; avoid chalky soils. It needs shade from hot sun but in areas with cool, damp summers it can tolerate sun

Propagation

Propagate by seed sown in pots in an open frame as soon as seed is ripe

Pests

Generally pest free

Diseases

Generally disease free

Garden Uses

Uses

Wall Side BordersGround Cover

Planting Places

IndoorOutdoorSubmerged Aquatic

Season of Interest

SummerAutumn

Size & Characteristics

Height

0.5-1 Metres

Spread

0.1-0.5 Metres

Habit

Clump Forming

Time to Full Height

Five To Ten Years