Silphium laciniatum (Compass Plant)
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Silphium laciniatum

Compass Plant

Yellow sunflower-like flowers that attract bees and parasitic wasps on top of stalks up to 12'. Large, flat, deeply divided, rough foliage. Leaves sit close to the ground in a cluster with each leaf reaching lengths of 18". The edges of many of the leaves point north and south, hence the name Compass Plant. Prefers dry soils.

Height: 6-8 ft
Width: 24-36 in
Soil Conditions: Moist/Well Drained
Flower Color: Yellow
Bloom Time: May,June,July,August,September,October
Hardiness Zone: 3 TO 9
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Characteristics & Attributes for Silphium laciniatum

Attracts Wildlife

Attracts Butterflies
Attracts Pollinators
Attracts Wildlife

Critter Resistance

Deer Resistant

Plant Habit

Upright

Light Conditions

Sun

Native Plant Community

Dry Prairie
Mesic Prairie
Savanna

Bloom Time

May
June
July
August
September
October

Flower Color

Yellow

Flower Hue

Medium

Flower Height

6' to 8'

Flower Type

Head

Foliage Color

Green

Leaf Texture

Coarse

Prune Time

Jan/Feb/March

Flower Form

Single

Growth Rate

Fast