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prairie burdock | Plant Finder | Fill My Garden

Home/Plants/Perennials

Plants > Perennials

prairie burdock

Silphium terebinthinaceum

Fragrant

Genus: Silphium
Family: Asteraceae
Common Names: prairie rosinweed, turpentine, turpentine weed, prairie dock [2]

About this plant

S. terebinthinaceum is a very tall herbaceous perennial, to 4m, with a basal rosette of very large, oblong to heart-shaped leaves. Sturdy, upright, branching stems support masses of yellow, daisy-like flowers from mid-summer to mid-autumn

Growing Information

Height

2.5-4 Metres

Spread

0.5-1 Metres

Hardiness

Foliage

Deciduous

Growing Conditions

Sunlight

Full SunPartial Shade

Soil

ChalkLoam

AlkalineNeutral

Not Currently Available

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

Moisture

Poorly DrainedWell Drained

Aspect

West FacingEast FacingSouth Facing

Exposure

ShelteredExposed

Care Guide

Cultivation

Grow in moist, deep, neutral to slightly alkaline soil in full sun or partial shade; best in heavy soil

Pruning

May be cut back after flowering, or leave architectural stems until shortly before new growth begins the following season

Propagation

Propagate by seed or division

Pests

Generally trouble free

Diseases

Generally trouble free

Garden Uses

Uses

Ground CoverCity CourtyardRock Garden

Planting Places

Outdoor

Season of Interest

SpringSummerAutumn

Size & Characteristics

Height

2.5-4 Metres

Spread

0.5-1 Metres

Habit

Bushy

Time to Full Height

Five To Ten Years