Keystone Plants

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      112 products
      Salix sericea (Silky Willow) Unity Grown
      $34.95
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      Attractive, lightly blue-hued foliage of Solidago caesia (Blue-stemmed Goldenrod) grown in quart-sized pots
      A photo of the dense, late-season yellow blooms of Solidago caesia (Blue-stemmed Goldenrod)
      Solidago caesia (Blue-stemmed Goldenrod)
      $8.95
      Purple-tinted, upright foliage of Solidago rugosa 'Fireworks' (Rough Goldenrod)
      Close-up of Solidago rugosa 'Fireworks' (Rough Goldenrod) with purple-tinted leaves
      Solidago rugosa 'Fireworks' (Rough Goldenrod)
      from $8.95
      Purple-tinted, upright foliage of Solidago rugosa 'Fireworks' (Rough Goldenrod)
      Close-up of Solidago rugosa 'Fireworks' (Rough Goldenrod) with purple-tinted leaves
      Solidago rugosa 'Fireworks' (Wrinkleleaf Goldenrod) Unity Grown
      from $8.95
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      Close-up of Solidago rugosa ((Rough-leaved Goldenrod) with young yellow flowers.
      Close-up of bright green foliage and small yellow flowers of Solidago rugosa ((Rough-leaved Goldenrod)
      Solidago rugosa (Rough Goldenrod) Unity Grown
      $2.95
      A close-up photo of white Aster ericoides (Heath Aster) 'Snow Flurry' flowers
      A close-up photo of the dense, green foliage of established 'Snow Flurry' heath aster
      Symphyotrichum (Aster) ericoides 'Snow Flurry' (White Heath Aster) Unity Grown
      $8.95
      A close-up photo of a cluster of white Aster ericoides (Heath Aster) flowers
      White Heath Aster, Aster ericoides or Symphyotrichum ericoides, grown as LP50 landscaping plugs.
      Symphyotrichum (Aster) ericoides (White Heath Aster) Unity Grown
      $2.95
      Airy, purple-tinted foliage of Symphyotrichum (Aster) lateriflorum 'Lady in Black' (Calico Aster)
      Symphyotrichum (Aster) lateriflorum 'Lady in Black (Calico Aster) Unity Grown
      $13.95
      Vibrant purple flowers of Symphyotrichum novae-angliae (also called Aster novae-angliae) 'Purple Dome' (New England Aster)
      Symphyotrichum (Aster) novae-angliae 'Purple Dome' (New England Aster)
      from $8.95
      Vibrant purple flowers of Symphyotrichum novae-angliae (also called Aster novae-angliae) 'Purple Dome' (New England Aster)
      Symphyotrichum (Aster) novae-angliae 'Purple Dome' (New England Aster) Unity Grown
      from $7.95
      Close up of rose-purple aster novae angliae 'vibrant Dome' (New England Aster).
      Symphyotrichum (Aster) novae-angliae 'Vibrant Dome' (New England Aster)
      $12.95
      Close up of purple and pale purple aster novae angliae flowers.
      Group of purple flowering New England Asters.
      Symphyotrichum (Aster) novae-angliae (New England Aster) Unity Grown
      from $2.95
      Upright and low-growing heart-shaped leaves of Symphyotrichum cordifolium (Aster cordifolius) (Common Blue Wood Aster) grown as LP50 landscaping plugs
      Symphyotrichum cordifolium (Aster cordifolius) (Common Blue Wood Aster)
      $8.95
      Sold Out
      Young green foliage of Symphyotrichum (Aster) ericoides 'Snow Flurry' (White Heath Aster) grown in quart-sized pots.
      Symphyotrichum ericoides 'Snow Flurry' (White Heath Aster)
      $6.95 from $4.87 Save $2.08
      Group of purple blooming aster oblongifolius 'October Skies' (Aromatic Aster) in pots.
      Symphyotrichum oblongifolium 'October Skies' (Aromatic Aster) Unity Grown
      from $8.95
      Purple flowers of Raydon's Favorite Aster.
      Symphyotrichum oblongifolium 'Raydon's Favorite' (Aromatic Aster) Unity Grown
      $12.95
      Aster oblongifolius 'Twilight Sky' flowers with narrow purple petals and yellow to brown centers above some slender green leaves.
      Symphyotrichum oblongifolium 'Twilight Sky' (Aromatic Aster) Unity Grown
      $13.95
      Symphyotrichum oblongifolium (Aromatic Aster) grown as CP72 landscaping plugs
      Symphyotrichum oblongifolium (Aromatic Aster) Unity Grown
      $2.95
      Purple flowers of Raydon's Favorite Aster.
      Bright green, upright foliage of Symphyotrichum oblongifolium (Aster oblongifolius) 'Raydon's Favorite,' also called aromatic aster
      Symphyotrichum oblongifolium (Aster oblongifolius) 'Raydon's Favorite' (Aromatic Aster)
      $12.95
      A close-up photo of he dark green, heavily toothed leaves of Ulmus americana 'Princeton' (American Elm)
      Ulmus americana 'Princeton' (American Elm), 2-inch caliper size.
      Ulmus americana 'Princeton' (American Elm)
      from $219.95