Create Water Zones
Group ornamentals into H-M-L zones in the landscape:
- Keep each distinct plant group by themselves: Set watering minutes per zone accordingly.
| High - Need regular weekly or biweekly watering | ||
| Hybrid tea roses | Acorus (Sweet Flag) | Cephalanthus (Button) |
| Boxwood | Flag Iris | Salix (Willow) |
| Arborvitae | Carex (Sedge) | Helenium (Helen’s Flower) |
| Ferns | Joe Pye Weed (Eupatorium) | Lobelia |
| Mod – Plants that grow well with 25 inches of normal rainfall | ||
| Shrub roses | Chelone (Pink Turtlehead | Japanese Anemone |
| Blue Holly | Oregon Grapeholly | Ajuga (bugleweed) |
| Fothergilla | Penstemon | Plumbago |
| Coral Bells | Astilbe | Siberian Iris |
| Monkshood | Allium (ornamental onion) | Amsonia |
| Aquilegia (Columbine) | Blackberry Lily | Butterfly Milkweed |
| Campanula | Cranesbill (Geranium) | Lilies |
| Pladycodon (Balloon Flower) | Phlox | Veronica |
| Woods Pink Aster, Purple, Blue and Purpledome Aster | ||
| Lo - Plants grow well with no supplemental rainfall | ||
| Russian sage | Yarrow | Coneflower |
| Rudbeckia | Echinacea | Daylily |
| Prairie Dropseed | Indiangrass | Big Bluestem |
| Little Bluestem | Blue Grama | most Viburnums |
| Ninebark | Aronia (Chokeberry) | Autumn Fire Sedum |
| Maidengrass | Salvia ‘May Night' | Agastache ‘Blue Fortune’ |
| Catmint – ‘Walkers Low,' ‘Joanna Reed’, ‘Little Titch’, ‘Six Hills Giant’ | ||

