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"Art Nouveau" of Native Plants Krishnan "Art Nouveau" of Native Plants Krishnan Presentation Transcript

  • Art Nouveau of Native Plants
    • Sarada Krishnan
    • Denver Botanic Gardens
    • 2010 APGA Annual Conference
    • June 5, 2010
  • Defining Native
    • DBG’s Native Plant Collections:
      • Colorado Native Collection – those plants which are known to occur naturally (pre-European settlement) within the borders of Colorado, but not necessarily exclusive to Colorado
      • Western North American Native Collection – those plants native (pre-European settlement) to other regions of Western North America, but not found naturally within the borders of Colorado
  • Native Collections Colorado Natives Other Western Natives # accessions 4,300 3,200 # families 16 21 # genera 19 27 # species 655 1154 # garden hybrids & cultivars 278 246
  • Native Collections
    • 1961 – Gates Montane Garden – first native plant collection
    • 1979 – Rock Alpine Garden
    • 1983 – Laura Smith Porter Plains Garden
    • 1986 – Dryland Mesa
    • 1992 – Endangered Species Garden
    • 1992 – Ornamental Grass Garden
    • 1993 – Dwarf Conifer Berm
    • 1994 – Watersmart Garden
    • 2000/2001 – Western Panoramas
    • 2001 – Sacred Earth
    • 2001 – Wildflower Treasures
  • Garden Style: Structural
    • Watersmart Garden
    • Established 1994
  • Garden Style: Structural
    • Design Parameters:
    • Focus: Western natives
    • Demonstrate ways xeric natives can be used in combination with plants from similar regions of the world
    • Bring native plants to mainstream horticulture
  • Garden Style: Structural
    • Year-round appeal emphasizing form and texture
    • Cacti & yucca in combination with crambe and penstemon
    • Pine trees grounded by sweeps of poppies and gazania
  • Garden Style: Formal
    • Centennial Garden
    • Established 2002
  • Garden Style: Formal
    • Design Parameters:
    • Formal xeric garden
    • Use of dryland and native plants
    • Plants adapted to high exposure to sun and wind with low precipitation
    • Also plants amenable to formal grooming
  • Garden Style: Formal
    • Cercocarpus ledifolius (Curl-leaf Mountain Mahogany)
    • Juniperus scopulorum (Rocky Mountain Juniper)
    • Zinnia grandiflora (Prairie Zinnia)
    • Chamaebatiaria millifolium (Fernbush)
  • Garden Style: Naturalistic
    • Laura Smith Porter Plains Garden
    • Established 1983
  • Garden Style: Naturalistic
    • Design Parameters:
    • Display what Denver was like pre-European settlement
    • All plants native to prairies and adjacent CO habitats
    • Seeds obtained from within 30 miles of Denver; local genetic material
    • Un-irrigated
  • Garden Style: Naturalistic
    • Garden sub-habitats:
    • Marginal/wetland
    • Riparian
    • Rocky outcrop
    • Xeric woodland
    • Tallgrass prairie
    • Mid/mixed grass prairie
    • Sandhills prairie
    • Shortgrass prairie
    • Pioneer garden (heirloom plants grown by pioneers
  • Garden Style: Naturalistic
    • Western Panoramas
    • Established 2000/2001
    • Design Parameters:
    • Each border represents a stylized version of a classic habitat in CO
    • Emphasis on grasses, wildflowers & signature trees
    • Provides western sense of place in the heart of the Gardens
  • Garden Style: Naturalistic
    • Ponderosa Border
  • Garden Style: Naturalistic
    • Bristlecone Border
  • Garden Style: Naturalistic
    • Cottonwood Border
  • Garden Style: Combination
    • Dryland Mesa
    • Established 1986
  • Garden Style: Combination
    • Design Parameters:
    • Un-irrigated
    • Testing ground for uncommon southwestern native plants
    • Occasional plants from South & Central America also included
    • Represented major families: Cactaceae & Agavaceae
  • Garden Style: Trough Garden
    • Wildflower Treasures
    • Established 2001
    • Design Parameters:
    • Western interpretation of traditional European trough gardens
    • Each trough represents a rare & specialized habitat found in CO; primarily small and specialized native plants
    • Surrounding beds devoted to western native wildflowers
  • Inspiration from Nature
  • Inspiration from Nature
    • Anza Borrego Desert State Park
  • Inspiration from Nature
    • Cylindropuntia echinocarpa – Gold Form
    Cylindropuntia echinocarpa – Silver Form
  • Inspiration from Nature
  • Inspiration from Nature
    • Ponderosa pine as Japanese character pine