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Category Name Othername Zone Size Growthrate Water Pollination Bloom Color Time Light Comments
Perennials CORAL BELLS Heuchera sanguinea 6-12'' XX Pink Summer Sun-shade Sprays of tiny flowers attract hummingbirds 'Snow Angel' has creamy variegated foliage and is Plant Select; other varieties also available
Perennials HARDY HIBISCUS Hibiscus moscheutos 4 2-5'' W-M Red or pink or white Late summer Sun or pt sh Huge flowers up to 8' across slow to break dormancy in spring but perfectly hardy here
Perennials HOSTA Hosta species & hybrids 3 6-24'' M White or lavender Summer Shade-pt sh Many varieties grown mainly for showy foliage spikes of lily-like flowers are often fragrant
Perennials CANDYTUFT Iberis sempervirens 3 8-12'' X White Late spring Sun or shade Evergreen leaves very reliable nice underplanting for roses tall perennials
Perennials JAPANESE IRIS Iris ensata 5 1-2'' W Varies Early summer Sun or pt sh Great for water gardens; needs acidic rich very moist soil; spectacular
Perennials BEARDED IRIS Iris x germanica 3 18-30'' XX Varies Late spring Sun Easy to grow hundreds of varieties divide occasionally for best performance
Perennials SIBERIAN IRIS Iris siberica 4 1-3'' M-W Varies Late spring Sun or pt sh Elegant clumps of thin foliage; easy with good water
Perennials RED HOT POKER Kniphofia uvaria 5 2-4'' XXX Yellow 'orange Early summer Sun Attracts hummingbirds and orioles
Perennials YELLOW ARCHANGEL Lamiastrum galeobdolon 3 Vines GC X Yellow Summer Shade-pt sh Grown for variegated leaves; trailing stems root and start new plants
Perennials DEAD NETTLE Lamium maculatum 4 6-8'' GC X Pink or white Summer Shade-pt sh Despite the name a great groundcover for shade variegated leaves brighten a dark area; lots of varieties
Perennials HARDY SWEET PEA Lathyrus latifolius 4 Vines 1-7'' XX Pink or red Summer Sun Very tough showy sweet pea flowers but no scent
Perennials LAVENDER Lavendula angustifolia 5 12-16'' X Lavender Summer Sun Entire plant is heavily scented 'Munstead' hardiest 'Hidcote' darker purple flowers
Perennials LAVENDER Lavendula x intermedia 5 15-20'' X Lavender Summer Sun Grosso' is the largest and very fragrant 'Provence' slightly less hardy
Perennials MOTHERWORT Leonurus cardiaca 3 2-4'' X Purple Summer Sun Medicinal herb; tiny flowers on leafy spikes above leaves; can be invasive
Perennials SHASTA DAISY Leucanthemum x superbum 4 1-2'' X White Early summer Sun Alaska' is tallest variety at 3' 'Silver Princess' is 12-15'
Perennials BITTERROOT Lewisia cotyledon 3 4-8'' X Pink Spring Part shade Succulent rosette of leaves topped by large showy flowers; needs perfect drainage grow in gritty soil
Perennials GAYFEATHER Liatris spicatas 3 2-3'' X Purple Late summer Sun Good cut flower gradually forms larger clump
Perennials GOLDENRAY Ligularia amplectens 3 3-5'' M-W Golden Late summer Sun Native to our mountains; large leaves topped by tall stalks of large flowers
Perennials PINK TOADFLAX Linaria purpurea 4 2-3'' XX Pink or purple Summer Sun Long thin spikes crowded with tiny snapdragon-like flowers not invasive but reseeds
Perennials BLUE FLAX Linum lewisii 4 1-2'' XXX Blue Early summer Sun Reseeds naturalized here flowers close in afternoon