Re: Need perennials for western exposure

Diana,
    This is from "Encyclopedia of Perennials" by Christopher Woods.

     Perennials Suitable for Wet Sites:
     Acorus spp.
     Anagallis tenella
     Anemone x hybrida
     Aruncus spp.
     Astilbe spp.
     Astilboides tabularis
     Butomus umbellulatus
     Calamagrostis spp.
     Calla spp.
     Caltha spp.
     Campanula glomerata
     Carex elata
     Chelone spp.
     Diphylleia cymosa
     Equisetum spp.
     Euphorbia palustris
     Filipendula spp.
     Glyceria spp.
     Gymocarpium dryopteris
     Helianthus angustifolius
     Helonias butiata
     Heracleum spp.
     Houttuynia spp.
     Iris fulva
     Iris hexagona
     Iris laevigata
     Iris pseudacorus
     Iris versicolor
     Juncus spp.
     Ligularia spp.
     Lobelia spp.
     Lysichiton spp.
     Lysimachia spp.
     Lythrum spp.
     Meconopsis spp.
     Mertensia spp.
     Mimulus guttatus
     Monarda spp.
     Osmunda spp.
     Peltiphyllum peltatum
     Peltoboykinia tellimoides
     Pontederia cordata
     Phragmites spp.
     Primula spp.
     Ranunculus spp.
     Rheum spp.
     Rodgersia spp.
     Sanguisorba spp.
     Scirpus spp.
     Silphium spp.
     Smilacina spp.
     Spartina spp.
     Symplocarpus foetidus
     Thelypteris spp.
     Trollius spp.
     Typha spp.
     Zantedeschia spp.

Personally, I would steer clear of Houttuynia and Lythrum.
    What is the significance of the site having a western
exposure--half-day sun? The following list is also from Woods's book.

     Perennials Tolerant of Substantial Shade:
     Asarum spp.
     Asplenium spp.
     Astilbe spp.
     Athyrium spp.
     Begonia grandis Blechnum spp.
     Boykinia spp.
     Carex conica
     Caulophylium thalictroides
     Chasmanthium latifolium
     Chelone spp.
     Cornus canadensis
     Cypripedium spp.
     Cystopteris spp.
     Deschampsia spp.
     Dicentra spp.
     Digitalis spp.
     Disporum spp.
     Dodecatheon spp.
     Dryopteris spp.
     Eomecon spp.
     Epimedium spp.
     Equisetem spp.
     Eranthis spp.
     Euphorbia amygdaloides
     Galax urceolata
     Geranium x oxonianum
     Geranium maculatum
     Geranium phaeum
     Hakonechloa macra
     Helleborous spp.
     Hepatica spp.
     Hesperis spp.
     Hexastylis spp.
     Hosta spp.
     Jeffersonia spp.
     Lamium galeobdolon
     Lamium maculatum 'Aureum'
     Lobelia spp.
     Luzula spp.
     Matteucia spp.
     Mertensia spp.
     Mitella spp.
     Myosotis spp.
     Omphalodes spp.
     Osmunda spp.
     Ourisia spp.
     Pachysandra spp.
     Paris spp.
     Peltiphylium spp.
     Phlox spp.
     Phyllitis spp.
     Podophylium spp.
     Polystichum spp.
     Ramonda spp.
     Rumex scuttatus
     Shortia spp.
     Smilacina spp.
     Stylophorum spp.
     Symplocarpus foetidus
     Tellima spp.
     Thelypteris spp.
     Tiarella spp.
     Trachystemon spp.
     Trillium spp.
     Vancouveria spp.
     Viola spp.
     Woodsia spp.

    The plants that make both lists are Astilbe, Chelone, Equisetum,
Lobelia, Mertensia, Osmunda, Peltiphyllum, Smilacina, Symplocarpus
foetidus, and Thelypteris. By the way, Symplocarpus foetidus is Stinking
Skunk Cabbage!
    At the risk of seeming unimaginative, how about Hosta and
Hemerocallis? I have yet to find one of these that can be thwarted by
any garden conditions.

Janet

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