compass plant

Also known as: gopher plant; pilot plant; pilot weed; polar plant; ragged cup; rosin weed

S. laciniatum is a large upright perennial, to 3m tall, with hairy, aromatic, fern-like leaves, to 50cm long, becoming smaller up the stems. In late summer and early autumn it bears narrow sprays of bright yellow daisies, each up to 12cm across

compass plant

Scientific classification

Species
compass plant (Silphium laciniatum)
Genus
Silphium
Family
Asteraceae
Information to be completed
Toxicity
Herbaceous Perennial
Plant type
2.5-4 metres
Height
0.5-1 metres
Spread
Deciduous
Foliage
Columnar upright
Habit
Spring · Summer · Autumn
Season of interest
Full sun · Partial shade
Sunlight
Information to be completed
Ideal temperature

compass plant pictures

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Distribution of compass plant

Distribution map

Northern America

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Culture

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Toxicity

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Quick identification of compass plant

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compass plant care guide

Moderate regular watering, allowing brief slight drying between soakings
Watering
Full sun · Partial shade
Sunlight
Information to be completed
Ideal temperature

Watering

Moderate regular watering, allowing brief slight drying between soakings

Fertilizing

Balanced perennial feed every four weeks from spring through summer

Pruning

Cut back after flowering; stems may optionally be left until shortly before new growth begins the following season

Propagation

Propagate by seed or division

Growing

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

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Common pests and diseases

Diseases

Generally trouble free

Pests

Generally trouble free

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