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Designing and Maintaining Rain Gardens

Designing and Maintaining Rain Gardens. Dennis Patton Johnson County K-State Research and Extension. Desired Look of Rain Garden. Level of Maintenance Time Energy Money Formal vs. informal Wild and wooly Perennial garden. Plant Selection. Native Adaptability Environmental factor

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Designing and Maintaining Rain Gardens

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  1. Designing and Maintaining Rain Gardens Dennis Patton Johnson County K-State Research and Extension

  2. Desired Look of Rain Garden • Level of Maintenance • Time • Energy • Money • Formal vs. informal • Wild and wooly • Perennial garden

  3. Plant Selection • Native • Adaptability • Environmental factor • Non-native • Cultivated species • Manicured • Perennial garden

  4. Maintenance • Weed control • Hand removal • Chemical • Mulching • Organic, wood chips • Watering • Spring Clean up • Debris removal

  5. Plant Selection • Right plant – Right Place • Sun verses shade • Moisture Requirements • Bottom of garden (moist to wet) • Side of garden (moist to dry) • Edge (dry)

  6. Fall Aster • Aster novae-angliae • Purple Dome, Alma Potschke, others • Dry to moist, side • Height 2 to 6’ • Low maintenance

  7. Feather Reed Grass • Calamagrostis acutiflora • Karl Foerster, El Dorado • 3’ tall • Cool season grass • Edge to bottom

  8. Palm Sedge • Carex muskingumensis • 24” tall upright and arching • Bottom to side

  9. Tussock Sedge • Carex stricta • 12” to 18” • Bottom

  10. Coneflower • Echinacea purpurea • 30” • Kansas native • Cultivated species • Side to edge

  11. Joe-Pye Weed • Eupatorium purpureum • Little Joe, Gateway • 3 to 7’ • Bottom to edge

  12. Blue Flag Iris • Iris versicolor • 1 to 3’ • Bottom

  13. Soft Rush • Juncus effusus • 24” • Green most of summer • Winter interest • Bottom

  14. Goldsturm Rudbeckia • Rudbeckia fulgida • 24” • Long season on bloom • Sides and edge • Seed heads - Goldfinches

  15. Little Bluestem • Schizachyrium scoparium • Kansas native • 30” • Year-round interest • Sides and edge

  16. Autumn Joy Sedum • Sedum • 24” • Fall blooms – butterflies • Sides

  17. Switchgrass • Panicum virgatum • Kansas native • 3-4’ • Shenandoah, North Wind

  18. Siberian Iris • Iris ‘Caesar's Brother' • 24- 36” • Side to bottom

  19. Liatris, Rudbeckia, Coneflower

  20. Switchgrass, Joe-Pye Weed, Feather Reed Grass, Rudbeckia

  21. Roses, Hardy Hibiscus, Ninebark, Daylilies, Fall Asters

  22. Joe-Pye Weed, Coneflower, Sedge, Fall Aster

  23. Complete Landscape

  24. Johnson County K-State Research and Extension 11811 Sunset, Suite 1500 Olathe, Kansas 913-715-7000 www.johnson.ksu.edu Dennis.patton@jocogov.org

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