Regional Picks: Tough Roadside Plants – Northwest

1.‘Canon J.Went’ Toadflax

Name:Linaria purpurea‘Canon J. Went’

USDA Hardiness Zones:5 to 8

Size:18 to 36 inch magniloquent and1footwide

shape : Full Dominicus to fond shade ; wry to average soil

The ticklish , erect ‘ Canon J. Went ’ toadflax is not an in - your - nerve plant but a stouthearted long bloomer that will make you wonder why you did n’t light in love with it long ago . Its mild manner ; drought tolerance ; willingness to farm despite negligence ; and continuous bloom of soft , pastel pinkish flowers atop ferny , gray - blue foliage will advance you over . Butterflies and bees love this plant .

2. ‘Georgia Blue’ Speedwell

Name:Veronica peduncularis‘Georgia Blue’

Zones:6 to8

Size:6to8inchestall and2feetwide

weather condition : Partial Lord’s Day to abstemious shade ; moist , well - drain soil

‘ Georgia Blue ’ speedwell is a tough , matt - forming land covering fire that raise thick enough to inhibit pot . It tolerates neglect and drought once found . In other spring , long - lasting , cobalt blueish flowers get over the plant life , making it ideal for massing or as foreground for a succession of later on - flower perennial . In winter , the leafage takes on bronze chromaticity .

3. Fringe Cups

Name:Tellima grandiflora

Zones:4 to 8

Size:30 inches magniloquent and18 column inch astray

Conditions : Partial to light shade ; moist , rich , well - drained grime

Fringe cup , an profuse Pacific Northwest indigen , happily fills in shady , moist banks , covering bare area where needed without being invasive . It tolerates the dry spells of summertime without auxiliary irrigation , which make water it a complete perennial to naturalize a road coin bank . The heyday spikes , which start out a delicate white-livered and then languish to ping , are a tiddler ’s pleasure when viewed up closely , make them the complete pick for a bouquet .

4. Red Valerian

Name:Centranthus ruber

Zones:5 to 8

Size:2 to 3 feet tall and wide

condition : Full sunlight to fond shade ; well - drained soil

butterfly stroke have gathered around this bungalow - garden staple for generations , draw in to the watermelon vine - colored steeple , which bloom their hearts out all summer . Deadheading cherry-red valerian just a couple of time over summer will extend the bloom , and the removal of any undesirable seedlings is soft . This tough , drought - tolerant perennial make a great addition to a cottage - trend roadside garden .

Barbara Hilty is a landscape painting designer in Portland , Oregon .

Photos : ( 1 , 3 and 4 ) , Jerry Pavia ; ( 2 ) , Bill Johnson

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