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Silphium terebinthinaceum

Prairie Dock

  • »  Sunflower-like yellow flowers in loose clusters of upper plant
  • »  Large, wide, spade-shaped basal leaves
  • »  Upright clumping habit
  • »  Drought-tolerant
  • »  Bloom Time: July to September
  • »  Flower Size: 5-7 cm

Plug50
$12.25
  • Category:Perennials
  • Hardiness Zone:4
  • Height:120-270 cm
  • Spread:60-150 cm
  • Bloom Color: Yellow
Exposure
• Full Sun
• Partial Sun/Shade
Soil Moisture
• Moist to Average
• Average to Dry Soils
• Well-drained
Growth Rate
• Medium
Attributes
• Native to Ontario
• Drought Tolerant
Flowering Time
• Summer
• Lt. Sum-Fall
Habit
• Clumping
Foliage Color
• Green
Landscape uses
• Naturalizing
• Roadside planting
Planting instructions
• Container Plants
Additional Information about Silphium terebinthinaceum

Native to Ontario

Growing & Maintenance Tips for Silphium terebinthinaceum

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