Silphium laciniatum (Compass Plant) :: Seeds

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Companion Plants and Products

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Compass Plant's name derived from the tendency of its flat leaves to orient themselves on a North-South axis. The Early Settlers used it to guide their way. The majestic Compass Plant can reach heights of 8 feet when well-established in wetter soils, although it can also thrive in drier soils. It has been known to live 100 years! Birds will frequently perch on Compass Plants (see corresponding picture).

Seeds / Packet: 50
Seeds / Ounce: 660

Dormant bare root plants ship each year during optimal transplanting seasons: Spring (April - May) and Fall (October).

Potted plants come in a tray of 38 plants and ship late May through late July. If you prefer to mix and match up to 4 species in a tray (at no additional charge), click here for the 'Mix and Match' tray option.

Details

Range Map

Catalog Number

SIL54F

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Scientific Name

Silphium laciniatum

Common Name

Compass Plant

Germination Code

C(60)

Seeds / Packet

Seeds / Ounce

660

Wetland Code

UPL

Sun Exposure

Prairie , Savanna

Soil Moisture

Wet , Wet Mesic , Mesic , Dry Mesic

Height

8 feet

Bloom Color

Yellow

Bloom Time

June , July , August , September

Plant Type

Forbs (Wildflowers)

Availability

Seeds , Bare Root Plants , Potted Plants (Tray)

Price:

Seeds

Quantity:	Pricing:	Order:
Packet	$2.00
1/8 oz.	$3.00
1/4 oz.	$4.00
1/2 oz.	$6.50
1 oz.	$10.00
1 lb.	$150.00

Bare Root Plants

Quantity:	Pricing:	# of Plants:
Out of stock

Potted Plants

Quantity:	Pricing:	Order:
Tray of 38	$98.00

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Silphium-laciniatum-Compass-Plant-flower

Compass-Plant-with-Echinacea-pallida-Pale-Purple-Coneflower

Silphium-laciniatum-Compass-Plant-with-Ratibida-pinnata-Yellow-Coneflower

Silphium-laciniatum-Compass-Plant-skyward

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Silphium laciniatum (Compass Plant)

Present in state

Present in county, native to state

Present in county, not native to state

Not present in state

Present historically, now extirpated

'FAQ' (Frequently Asked Questions) link

Silphium terebinthinaceum (Prairie Dock)

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Silphium terebinthinaceum (Prairie Dock)

Seeds
Quantity:	Pricing:
Packet	$2.00
1/8 oz.	$5.00
1/4 oz.	$8.00
1/2 oz.	$13.00
1 oz.	$20.00
1 lb.	$300.00

Bare Root Plants
Quantity:	Pricing:
Out of stock

Potted Plants
Quantity:	Pricing:
Out of stock

Prairie Dock is among the taller and larger-leaved prairie plants. It can mature to 9' in height with sandpaper-textured leaves 18" long and 12" wide.