| Viola |  | Uniquely colored and hard to resist flowers; extremely cold tolerant. Strong blooming habit; especially when deadheaded. Full to partial sun is required. (Flowers: April-June) | more info
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| Viola 'Labrador' |  | Botanical Name: Viola labradorica Zone 3 Mounding habit with bronze tinged foliage and sweet little violet colored flowers starting late May Herbaceous Sun or shade Grows to 2-4" tall by 6-8" wide | more info
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| Wandflower 'Siskiyou Pink' |  | Botanical Name: Guara lindheimeri 'Siskiyou Pink' Zone 5-8 Airy form with deep pink flowers all summer Herbaceous Full sun Grows to 24-30" tall and wide Attracts butterflies | more info
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| Wandflower 'Whirling Butterflies' |  | Botanical Name: Guara lindheimeri 'Whirling Butterflies' Zone 5-8 Airy form with white flowers on pink stems all summer Herbaceous Full sun Grows to 24-36" tall and wide Attracts butterflies | more info
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| Water Iris 'Yellow' |  | Botanical Name: Iris pseudoacorus Zone 3-9 Clumping habit with narrow leaves and yellow flowers May to June Herbaceous Full to part sun Grows to 2-3' tall by 2' wide Will grow in shallow water | more info
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| Whitely's Speedwell |  | Botanical Name: Veronica whitleyi Zone 3 Tight dense matting form with olive green foliage and brilliant blue flowers starting early June Herbaceous Full to part sun Grows to 2-4" tall by 18-24" wide | more info
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| Wild Iris or Blue Flag |  | Botanical Name: Iris versicolor Zone 2-9 Clumping habit with narrow leaves and lavender blue flowers in May Herbaceous Full to part sun Grows to 24-30" tall by 12-18" wide Tolerates wet soil | more info
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| Wine Cups |  | Botanical Name: Callirhoe involucrata Zone 4-7 Sprawling form with glossy green leaves and large wine red flowers from June to frost Herbaceous Full sun Grows to 6" tall by 3' wide | more info
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| Wormwood or Mugwort 'Silvermound' |  | Botanical Name: Artemisia schmidtiana 'Silvermound' Zone 4-9 Low mounding form with soft silver foliage Herbaceous Full sun Grows to 12" tall by 15" wide Beautiful contrast to any plant | more info
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