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Welcome to Perennial Plant of the Year

This page features the plants that have been designated the Perennial Plant of the Year (PPOY). The PPOY are display in chronological order from the current year’s designated plant to previously designate plants. The plants are selected by the Perennial Plant of the Year Committee. Each year, the committee considers many plants. Committee members are passionate about their plant nominations and ardent debates about which plant deserves the designation occur.

To be selected as Perennial Plant of the Year, the plant must meet all the criteria:

  • suitable and reliable in Calgary growing conditions
  • not overused
  • readily available in garden centres
  • reasonably affordable to purchase

The Perennial Plant of the Year is announced in April, and usually displayed at the Society’s Garden Show.


Persicaria polymorpha 2017 Perennial Plant of the Year

Common Name: Giant fleeceflower

Giant fleeceflower is a spectacular, easy-care and long-blooming perennial. Masses of frothy white flowers cover the vase-shaped plant from June to August, fading to pinky beige in autumn. Leave  standing to provide winter interest, then cut stems back in early spring.

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Bergenia cordifolia 2016 Perennial Plant of the Year

Common Name: Bergenia

Bergenia (Bergenia cordifolia) is an extremely hardy and versatile plant. The large round leathery green leaves turn scarlet and purple as winter sets in. In spring the foliage comes back to life to set off clusters of small, scented pink, purple or white flowers in May.

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Astrantia major 2015 Perennial Plant of the Year

Common Name: Masterwort

Mastwort (Astrantia major) forms mounds of three-lobed toothed foliage topped with button flowers with silvery centers. Colours range from white to pink to red. It is an excellent filler plant for moist areas in part shade or full sun.

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Veronica whitleyi 2014 Perennial Plant of the Year

Common Name: Whitley’s speedwell

Whitley’s speedwell is a beautiful mat-forming perennial for the sunny garden. Masses of sapphire blue flowers with white centres cover the soft grey-green foliage in late spring and bloom sporadically until fall. Excellent as a groundcover or low edging.

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