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Glade Mallow (Napaea dioica)

It's hard to miss this plant in the landscape, tall with large palmate leaves, Glade Mallow definetly makes a statement. A tough native plant of wet Illinois prairies, savannas, and wetlands. 


  • Acronym: NAPDIO
  • Life-Cycle: Perennial
  • Bloom Color: White
  • Bloom Time: June - August
  • Typical Height: 84"
  • Light Preference: Full Sun - Part Shade
  • Soil Preference: Wet
  • Root Structure: Taproot with Rhizomes
  • Stratification: Cold & Moist for 60 Days
  • Seeds per Ounce: 5,300*
  • IL County Ecotypes we Grow**
    1. Ogle County


Other scientific names used for this species:

  • None


Other common names used for this species:

  • None


*Approximate, actual number of seeds may vary slightly by seed lot.

**We have listed the County ecotypes that we grow for this species, this ecotype may or may not be available at the time of your order. If you prefer one of the ecotypes over another please type it into the "Additional Info Section" and we'll provide that ecotype if it's available, if it is not available we will provide one of the other ecotypes listed.

Napaea dioica - Per Ounce

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