Yarrow (Assorted Varieties & Colours)
Achillea ssp.
20" x 20" (Spreading)
Full Sun 
​Zone 3
Has medicinal properties, drought tolerant, prefers poor/sandy soils (low fertility)
Monkshood
Aconitum
H: 36" - 42" 
W: 24" (Vertical Accent)
Part shade to Full Sun
​Zone 3
Old fashioned favorite, 
Bugbane/Snakeroot
Actaea (AKA: Cimcifuga)
H: 24" - 36" 
W: 12" - 16" (Vertcal Accent)
Part shade to full shade
Zone 3b/4
Fragrant Blooms! Slow growing, long lived, 
Goutweed/Goat's Foot
Aegopodium podagraria
H: 12"-24"
W: Spreading
Full Sun to Full Shade
​Zone 3
Very vigorous ground cover, somewhat invasive, best suited for difficult areas where it is contained or can take over
Bugleweed
Ajuga reptans
H: 6" (or less)​
W: Spreading
Part Sun to Full Shade
Zone 3
Groundcover, usually planted for purple foliage but also produces small purple flowers spikes in SPRING
Hollyhock (Various colours)
Alcea Rosea   
H: 36" to 60" (Variety dependant)
W: 24" to 36" (Vertical Accent)
Full Sun to Part Sun
Zone 3
Old fashioned favorite! Often seeds readily, 
Lady's Mantle
​Alchemilla mollis   
​H: 16" to 24"
W: 20" to 36" (Mounding Form)
Zone 3
Full Sun to Part Shade
Mostly grown for foliage but also produces lime-yellow sprays of small flowers in SPRING
 Snowdrop Anemone
Anenome sylvestris
H: 12" to 20" (with flower)
W: 12" + (Spreading)
Zone 3
Full sun to part sun
Spring Bloomer. Closely related to Alberta Native Wildflower Anemone canandensis ​(Also usually available)
Pussytoes
Antennaria diocia
H: 4" to 6" (with flower)
W: 10" + (Slow spreading)
Full sun
​Alberta Native! Groundcover.
Columbine
Aquilegia
H: 12"-20"
W: 12"-20"
Full to Part Sun
Assorted Varieties and colours available.
Picture
Rockcress
Arabis
H: 6"-10"
w: 12"-24" (Slow spreading/Low mounding)
Full Sun
​Groundcover, often seen tumbling over rock walls
Kinnickkinnick / Bearberry
Arctostaphylus
H: 6"
W: Slow Spreading
Full Sun to Part Shade
Native groundcover. Prefers well drained sandy (poor) soils. Great for erosion control on sandy slopes
Splendons Seathrift
Armeria maritima 'Splendons'
H: 6"-10" (with flower)
W: 6"-10"
Full to Part Sun
Tidy mound forming perennial with pink round flowers in SPRING. Will rebloom if deadheaded. 
Silvermound
Artemesia schmidtiana
H: 10"-12"
W: 12"-24"
Full Sun
Dome shaped silver foliage. Requires good drainage. Prefers poor/sandy soils. Will get leggy when fertilized or if planted in rich soil. Drought tolerant when established. 
Giant Goatsbeard
Aruncus dioicus
H: 36"-48"
W: 24"-36"
Full Shade to Part Sun
Great as a backdrop in a perennial border. Sprays of airy white flowers in LATE-SPRING
Aster (assorted varieties)
Aster dumosus
H: 12"-24"
W: 12"-24"
Full Sun 
Late Summer Bloomer
Picture
Astilbe, Arendsii Group (Assorted varieties & colours)
Astilbe arendsii
H: 16"-36" (with flower)
W: 12"-24" 
Size varies with variety
Part Sun to Full Shade
Most common group of Astilbe varieties. Earlier season bloomers - Late Spring to Early Summer. Require adequate moisture.
Astilbe, Chinensis Group (Assorted varieties & colours)
Astilbe chinensis
​H: 16"-36" (with flower)
W: 12"-24" 
Size varies with variety
Part Sun to Full Shade
Later blooming Astilbe group often with finely cut deep green foliage. More tolerant of dry conditions than other astilbes but still performs best with adequate moisture. Mid-Summer bloomer. 
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Elephant Ears
Bergenia cordifolia
H: 12"-24" (with flower)
W: Spreading
Full Sun to Full Shade
 Very versatile groundcover that is drought and moisture tolerant. Pink flowers in very EARLY SPRING. Glossy semi-evergreen foliage turns orange-red to dark purple as the weather gets cold in fall.
Siberian Bugloss
Brunnera macrophylla
H: 12" - 24"
W: 24" - 36" 
Part to Full Shade
​Spreading mound form. Hardy (native to Siberia) with sprays of airy periwinkle blue flowers in SPRING.
Variegated Siberian Bugloss
Brunnera macrophylla 'Jack Frost' & 'Emerald Mist'
H: 12" - 24"
W: 24" - 36" 
Part to Full Shade
Spreading mound form. Uniquely variegated leaves and sprays of airy periwinkle blue flowers in SPRING.
Carpathian Bellflower / Blue or White Clips
Campanula carpatica 
H: 4" - 8"
W: 8" - 12"
Full Sun 
Very tidy & compact mound forming with showy blue or white flowers in LATE SPRING through SUMMER (particularly if shorn/deadheaded occasionally). Prefers free draining soil but with consistent moisture.
Snow in Summer
Cerastium
H: 12"
W: 24"-36" Spreading Mound
Full sun 
Old fashioned favorite. Very hardy and self seeds readily. Drought tolerant. Prefers well drained, poor soil (Low fertility). Covered in White flowers in LATE SPRING all through SUMMER. 
Pink Turtlehead
Chelone obliqua
H: 24"-36" 
W: 18"-24"
Full Sun to Part Shade
Unique old fashioned perennial. Pink hooded blooms from EARLY SUMMER to FALL. Prefers rich adequately moist soil and will tolerate some flooding or standing water. Stiff stems rarely require staking. Can be pinched back in early spring to encourage bushiness and strong stems. 
Mammoth Series Chrysanthemum
Chrysanthemum morifolium
H: 24"
W: 24"
Full Sun
Mounding form. Showy daisy-like blooms in LATE-SUMMER to FALL. Good drainage required.
Lily of the Valley
Convallaria majalis
H: 6" - 10"
W: Spreading
Full to Part Shade
Vigorous spreading groundcover, will quickly fill an area. Sometimes needs to be contained. Produces dainty, surprisingly fragrant, nodding flowers in SPRING. Closely related to Alberta native Maianthemum canadense or Wild Lily of the Valley
Tickseed (Assorted Varieties)
Coreopsis
H: 24"-36"
W: 24"-36"
Full Sun 
Spreading with fine foliage. Covered in blooms from EARLY SUMMER to FALL (especially if deadheaded). Drought & heat tolerant. Some varieties self-seed quite readily.
Larkspur (Assorted Varieties)
Delphinium elatum
H: 36" - 60" (Variety dependant)
W: 24" - 36"
Full Sun 
Old fashioned Favorite! Vertical accent with showy spikes of blooms in LATE-SPRING/EARLY SUMMER. 
Maiden/Border Pinks (Assorted Varieties)
Dianthus deltoides
H: 6" - 8" (with flowers)
W: Spreading
Full Sun
Dense, mat-forming perennial producing abundant fringed blooms in LATE-SPRING / EARLY SUMMER through SUMMER (especially if sheared/deadheaded)
   
Cheddar Pinks (Assorted Varieties)
Dianthus gratianopolitanus
H: 8" - 12"
W: 12" - 24"
Full Sun
Clump to large mound forming. Somewhat more upright facing than Maiden Pinks. Typically with bluish silver foliage. Produces abundant fringed blooms in LATE-SPRING / EARLY SUMMER through SUMMER (especially if sheared/deadheaded)
Fern-leaf Bleeding Heart
Dicentra formosa 'Luxuriant'
H: up to 24"
W: 24" (Will spread out even larger after a few seasons)
Part Sun to Full Shade
Cutleaf (laceleaf) version of bleeding heart with reddish-pink flowers in EARLY SUMMER then sporadically until fall. Bleeding hearts are long lived and will eventually spread out a bit. If planted in sunny or hot area it will die back (go dormant) early after flowering but will still come up next year. While bleeding hearts appreciate adequate moisture they will not tolerate soggy soils or standing water. 
Common / Old Fashioned Bleeding Hearts
Dicentra spectabilis (Alba - White variety)
H: 24" - 36"
W: 24" - 36" (Will spread out even larger after a few seasons)
Part Sun to Full Shade
​Bleeding hearts are long lived and will eventually spread out a bit. Produces dainty heart-shaped flowers on arching stems in EARLY SUMMER then sporadically until fall.  If planted in sunny or hot area it will die back (go dormant) early after flowering but will still come up next year. While bleeding hearts appreciate adequate moisture they will not tolerate soggy soils or standing water. 
Camelot Mix Foxglove
Digitalis purpurea
H: 24" - 36" (with flower)
W: 12" - 24"
Full Sun to Part Shade
Unlike other types, ‘Camelot’ Foxgloves flower in both the first and second year before eventually setting seed and dying. Deadhead first-year blooms to encourage overwintering. These perform best in a rich, moist soil. Allow plants to form seed in the second year and they may self-sow to produce future generations. New seedlings that appear can be easily moved in their first season, while still small.
Purple Coneflower (Assorted Varieties)
​Echinacea purpurea
H: 16" - 36" (with flower)
W: 12" - 24"
Full Sun 
Loved by bees & butterflies. MID to LATE-SUMMER bloomer. Drought tolerant once established. Good drainage is essential.
Fleabane
Erigeron spectabilis
H: up to 12"
W: up to 24"
Full to Part Sun
Native to Alberta. Self-Seeding.
Joe Pye Weed
Eupatorium purpureum
H: 36" - 60"
W: 24" - 36" 
Full Sun to Part Shade
Big vertical accent. Blooms SUMMER into EARLY FALL.
Little Joe Pye Weed 
Eupatorium dubium 'Little Joe'
H: 12" - 24"
W: 12" - 24"
Full Sun to Part Shade
Dwarf version of a giant favorite. Blooms SUMMER into EARLY FALL.
Cushion Spurge
Euphorbia polychroma
H: up to 12"
W: up to 24" 
Full Sun to Part Shade
Old fashioned favorite. Dome shaped mound form. Bright yellow bractlets cover the plant in Spring. 
Meadowsweet / Queen of the Prairie
Filipendula rubra
H: 24" - 36"
W: 24" - 36" 
Full Sun to Part Shade
Upright with sprays of cloud-like panicles of pink blooms throughout SUMMER. Prefers adequate soil moisture especially in sunny location. Clay tolerant. 
Blanket Flower (Assorted Varieties)
Gaillardia
H: up to 12"
W: Spreading
Full to Part Sun
Forms low, thick, spreading mat. Native and cultivated varieties available in shades from bright yellow to deep red. Great for hot sunny slopes & erosion control. Self seeds regularly. Drought tolerant once established.
Sweet Woodruff
​Galium odoratum
H: 8"
W: 24" to Spreading
Part Sun to Full Shade
Dense mat forming with small star shaped white flowers in EARLY SPRING. Foliage is fragrant when dried and is often used in potpourri mixes.
Max Frei Cranesbill / Bloody Cranesbill
Geranium sanguineum
H: up to 6"
W: 12" + (spreading)
Full to Part Sun
Low spreading mat form. Pink flowers from SPRING until FALL, especially if sheared occasionally.
Cranesbill / Perennial Geranium (Assorted varieties)
Geranium
H: 6" - 12" (variety dependant)
W: 12"+
Full Sun to Part Shade
Old fashioned favorite in colours ranging from white to purplish-blue. Very easy to grow and blooms from SPRING until FALL especially if sheared occasionally.
Sneezeweed (Assorted varieties)
Helenium
H: 24" - 36"
W: 24" - 36"
Full Sun
Upright form. Blooms in colours ranging from yellow to burnt orange/red in EARLY SUMMER into FALL. Prefers well drained soil. 
False Sunflower (Assorted Varieties)
Heliopsis helianthoides
H: 36"+
W: 24"+
Full Sun
Large upright perennial with flowers resembling sunflowers in shades ranging from bright yellow to red centered. Blooms throughout SUMMER. Foliage ranges from green to purple to variegated dependent on variety.
Dayliles (Assorted Varieties)
Hemerocallis 
H: 12" - 36" 
W: 12" - 36"
Size is variety dependent.
Full to Part Sun
Versatile perennial, tough and exceedingly easy to grow. Self adapting to soil moisture. Drought tolerant once established. Relatively tolerant of clay and salt spray. Grassy foliage and showy blooms from SPRING until FALL in shades ranging from white to yellow to pink and bicolours too!
 Coral Bells (Assorted Varieties & Colours)
Heuchera
H: 6" - 12"
W: 12" - 24"
Full Sun to Full Shade (variety dependent)
Mound forming with colourful foliage. Some varieties produce small bell shaped flowers above foliage in SPRING. Prefers consistent soil moisture.
Hosta (Assorted Varieties)
Hosta
H: 6" - 24"
W: 12" - 48"
Size is variety dependent
Part Sun to Full Shade
Available in many different sizes and shades of green, variegated whites and yellows. Typically grown for foliage but most varieties produce lavender to white flowers generally in SPRING & EARLY SUMMER depending on variety. Relatively soil adaptable. Some varieties more sun tolerant than others. Notoriously late emerging in spring. 
Candytuft
Iberis
H: 6"
W: 12" to Spreading
Full Sun 
Semi-evergreen groundcover often used in rockeries and over walls. Abundant white flowers in SPRING.
German/Bearded Iris (Assorted Varieties & Colours)
Iris germanica
H: 18" - 36"
W: 12" - 24" Spreading over time
Full Sun
Robust stems and leaves with bearded blooms in LATE SPRING and SUMMER (depending on variety). Prefer free draining soil and consistent moisture. Some varieties are fragrant. Many different colours and sizes depending on variety. 
Siberian Iris ​(Assorted Varieties & Colours)
​Iris sibirica
H: 24" - 36"
W: 12" - 24"
Full to Part Sun
Grassy foliage and flowers in LATE-SPRING to EARLY-SUMMER. Colour varieties range from white to yellow to purple. Tolerant of excess soil moisture and even semi aquatic conditions.
SPOTTED DEAD NETTLE
Lamium maculatum
H: 6"
W: Spreading
Part Sun to Part Shade
Low, spreading groundcover with variegated foliage and Purple or White flowers (variety dependent) in SPRING. Drought tolerant when established. One of the few plants that will grow well under a spruce tree.
Shasta Daisy
Leucanthemum superbum
H: 12" - 24"
W: 12" - 24"
Full Sun
Old fashioned favorite. Clump forming with happy white daisy-like flowers in SUMMER. Some new different varieties developed with fringed petals and more compact growth habit.
Little Plum Bitterroot
Lewisia longipetela
H: up to 4"
W: up to 10"
Full Sun
Grows best in a dry, well-drained, sandy soil. Requires excellent drainage to survive and often winter wet will cause the demise of these perennials. Removing spent flowers will encourage rebloom, and improve overall appearance. Fleshy foliage and peach coloured flowers in SPRING & SUMMER. Will not tolerate normal garden conditions but is fun to try in a rock garden. Drought tolerant once established. Does best if protected from the hottest sun of the day (when possible) but still receives morning and late afternoon sun.
Blazing Star / Gayfeather
Liatris spicata
H: 24" - 36" (with flower)
W: up to 24"
Full to Part Sun
Vertical accent that comes in either white or purple varieties. Pruduces abundant spikes of fluffy flowers opening from the top to bottom in SUMMER and into EARLY FALL. Absolutely ADORED by bees and butterflies. Related to Alberta native wildflower Liatris ligulistylis (sometimes available as well). 
Rayflower / Leopard Plant​ 
Ligularia ('The Rocket' & 'Little Rocket')
H: 36" - 72" (with flower)
W: 36" - 42"
Size depends on variety
​Full Sun to Full Shade (Full Sun will require more water while Full shade plantings will need less)
Vertical accent well suited to shady areas and moisture holding soils. Tolerant of excess moisture and clay based soils. Tall spikes covered in yellow flowers emerge in SUMMER.
Rayflower / Leopard Plant
Ligularia dentata ('Othello & 'Britt Marie Crawford')
H: 36" - 42" (with flower)
​W: 36" - 42"
Part Sun to Full Shade
Dark leaved variety of Ligularia with flat yellow flowers in SUMMER. Well suited to shady areas and moisture holding soils. Tolerant of excess moisture and clay based soils.
Asiatic Lily (Assorted Varieties - Tiny Series)
Lillium asiatica
H: 18" - 24" (with flower)
W: 12" - 24"
Full to Part Sun
Assorted varieties developed to stay shorter with sturdy stems and bright showy upward facing blooms in LATE SPRING, sometimes reblooming later in the summer before dormancy. Many colours and bicolours available. ***Susceptible to Red Lily Beetle***
Tiger Lily 
Lilium lancifolium
H: 38" - 50" (with flower)
​W: up to 24"
Full to Part Sun
Tall lilies with nodding blooms in LATE SPRING/SUMMER. Typically found in yellow and orange shades.
Oriental Lily
​Lilium orientalis
H: 24" - 32" (with flower)
W: 12" - 24"
Full to Part Sun
Large, very fragrant blooms in SUMMER. Somewhat less hardy than Tiger and Asiatic Lilies. 
Gallery Series Lupines
Lupinus
H: up to 24" 
W: up to 24"
Full Sun to Light Shade
Dwarf series of Lupine producing tall spike shaped flowers in a variety of colours. Prefer rich, deep, free-draining soil and adequate moisture. Does best in cooler areas or areas protected from hottest part of day.
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Campion / Maltese Cross / Catchfly
Lychnis x arkwrightii
H: 16" (with flower)
W: 12"
Full Sun
New version of an Old Fashioned Favorite. Orange-red flowers above dark green/bronze foliage in SUMMER. Requires good drainage but also consistent moisture. Deer Resistant.
Creeping Jenny & Golden Creeping Jenny
Lysimachia nummularia (aurea - gold variety)
H: under 4"
W: Spreading
Full Sun to Full Shade
Easy to grow groundcover or trailing perennial. Comes in regular green and golden-green. Produces small yellow flowers (not particularly showy) in EARLY SUMMER.