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Photo Courtesy of Fernridge Landscaping

Compass Plant

Silphium laciniatum

Also called Pilot Plant, Polar Plant

  • Clusters of nodding eastern-facing sunflower-like yellow flowers
  • Sturdy green stems are covered in white hairs
  • Basal narrow leaves are very deeply lobed and up to 50 cm long
  • Upright clumping habit
  • Drought-tolerant
  • Bloom Time: August to September
  • Flower Size: 13 cm

ZONE:
4

COLOUR:
Yellow

HEIGHT:
200-300 cm

SPREAD:
50-60 cm

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Growing and Maintenance Tips:

 Tolerant of poor soils, it is easily grown in an average, medium, well-drained soil, in full sun. 

Additional Notes about Compass Plant:

Native to Ontario

This long-lived cultivar is known to live for up to 100 years. Received the common name "compass" plant, as the plant orients itself on a north-south axis to minimize overhead sun exposure.

Characteristics & Attributes

Full Sun
Full Sun
Drought Tolerant
Drought Tolerant
Native to Ontario
Native to Ontario
SOIL MOISTURE:
Moist to Average
Well-drained
Average to Dry Soils
GROWTH RATE:
Medium
FLOWERING TIME:
Lt. Sum-Fall
HABIT:
Clumping
Upright
FOLIAGE COLOR:
Green
LANDSCAPE USES:
Roadside planting
Naturalizing

THESE PLANTS

work well with Silphium laciniatum

Andropogon gerardii
Andropogon gerardii
BIG BLUE STEM
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