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  • … conducted at the Chicago Botanic Garden, Letterman's ironweed was rated as a good choice for growing in the Chicagoland area in terms of disease resistance and overall performance. …
    Type: Garden Guide Plant
  • … conducted at the Chicago Botanic Garden, Iron Butterfly ironweed received an excellent rating for growing in local conditions. …
    Type: Garden Guide Plant
  • … After the blooms have died, the stalks with the dried seed heads are often left in place for winter interest. …
    Type: Garden Guide Plant
  • … After the blooms have died, the stalks with the dried seed heads are often left in place for winter interest. …
    Type: Garden Guide Plant
  • … After the blooms have died, the stalks with the dried seed heads are often left in place for winter interest. …
    Type: Garden Guide Plant
  • … After the blooms have died, the stalks with the dried seed heads are often left in place for winter interest. …
    Type: Garden Guide Plant
  • … After the blooms have died, the stalks with the dried seed heads are often left in place for winter interest. …
    Type: Garden Guide Plant
  • … After the blooms have died, the stalks with the dried seed heads are often left in place for winter interest …
    Type: Garden Guide Plant
  • … After the blooms have died, the stalks with the dried seed heads are often left in place for winter interest. It is an excellent cut flower. …
    Type: Garden Guide Plant
  • … After the blooms have died, the stalks with the dried seed heads are often left in place for winter interest. …
    Type: Garden Guide Plant