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! ' <br /> � 9/28/06 <br /> 3587 North Shore Drive-Perennial garden for retaining walls <br /> A plan was requested for vegetative screening for the rock retaining walls that <br /> will be built. I am proposing a primarily perennial flower garden to occupy the <br /> lower tier of the two-tiered retaining walls to be built. <br /> There are primarily two criteria to determine the plants to be used: 1) height and <br /> 2) sunlight available. <br /> There should be room for 2 or 3 rows of plants. I would propose a minimum <br /> height of 30" for the back-most row that would be closest to the face of the <br /> upper retaining wall. The other row(s) would be of lesser height. <br /> The two-tiered walls will face primarily south and east. The plants in the south- <br /> facing walls should receive close to full sunlight. The east-facing wall will be <br /> harder to predict until the work is done, but will receive something between <br /> partial and full sun. <br /> Thus, our proposal is as follows: <br /> Back row: <br /> Balloon flower (Platycodon grandiflorus) 30-36" <br /> Gold Daisy (He/iopsis helianthoides) 36-48" <br /> Russian Sage (Perovskia atriplicifolia) 36-60" <br /> Goldenrod (Solidago speciosa) 36+" <br /> Black-eyed Susan (Rudbeckia fulgida) 30-36" <br /> Summer Phlox (Phlox paniculata)30-48" <br /> Cardinal Flower (Lobelia cardinalis) 30-48" <br /> Blazing Star/Gayfeather (Liatris spicata) 36" <br /> Daylily-many varieties (Hemerocallis altissima/H.aurantiaca )36-48+" <br /> Tiger Lily (Lilium lancifolium) 48+" <br /> Purple Coneflower (Echinacea purpurea) <br /> Aster-multiple species (Aster oblongifolius/A.laevis) 12-36" <br /> ButterFly flower (Asclepias tuberosa) 36" <br /> Giant Delphinium/Pacific Hybrids (Delphinium elatum)48" <br /> Bee Balm (Monarda didyma) 36-48" <br /> Perennial sunflower (Helianthus multiflorus) 48" <br /> Globe thistle (Echinops ritro) 36+" <br /> Clematis (Clematis texensis) 48+" (Climbing) <br /> Grasses <br /> Japanese Silver Grass/Robustus (Miscanthus sinensis/sacchariflorus)48-72" <br /> Moor Grass (Molinia caerulea) 36" <br /> Red Switch Grass (Panicum virgatum) 48+" <br /> Japanese Blood Grass (lmperata cylindrican 36" <br />