Alisma plantago-aquatica
BROADLEAF WATER PLANTAIN
- Airy, white flowers
- Clump-forming perennial with hairless plantain-like foliage emerging in early spring
- Foliage stands 60 cm above the waterline
HEIGHT: 60-70 cm · SPREAD: 30-50 cm
Allium cernuum
NODDING ONION
- Best described as a dangling cyme of little florets
- Flowers are commonly pink and sometimes white
- Flowers mature into fruit opening to show glossy dark seeds
HEIGHT: 45-60 cm · SPREAD: 25-30 cm
Allium giganteum
ORNAMENTAL ONION
- Huge purple balls of tiny star-shaped florets on thick green stems
- This allium is not used for culinary purposes
- Produces grayish-green strap-like leaves
HEIGHT: 125-150 cm · SPREAD: 15-30 cm
Allium giganteum 'Globemaster'
ORNAMENTAL ONION
- Huge balls of purple star-shaped florets are borne on stout stems
- As the flowers fade, new florets take their place
- Strap-like gray-green basal leaves
HEIGHT: 80-100 cm · SPREAD: 15-20 cm
Allium schoenoprasum
WILD CHIVES
- Purple-pink balls of star-like flower clusters
- Both leaves and flowers are edible
- Used for onion flavouring
HEIGHT: 30-60 cm · SPREAD: 30-60 cm
Allium schoenoprasum 'Album'
WILD CHIVES
- White balls of star-like flower clusters
- Grassy-like leaves and flowers are edible
- Used for onion flavouring
HEIGHT: 30-60 cm · SPREAD: 30-60 cm
Allium schoenoprasum 'Forescate'
GIANT-FLOWERED CHIVES
- 'Forescate' is taller and more vigorous than the species
- Deep pink to purple spherical flowers
- Both the leaves and the flowers are edible
HEIGHT: 25-30 cm · SPREAD: 35-40 cm
Allium schoenoprasum 'Rising Star'
CHIVES
- 'Rising Star' is shorter and more vigorous than the species
- Spherical lavender flowers
- Fine-textured gray-green hollow grass-like foliage
HEIGHT: 25-30 cm · SPREAD: 25-30 cm
Allium senescens 'Blue Eddy'
PINK CURLY ONION
- Clumps of blue-gray foliage
- Foliage grows in a spiral fashion
- Short stems hold spherical lilac-pink flowers
HEIGHT: 20-25 cm · SPREAD: 25-30 cm
Allium tuberosum
GARLIC CHIVES
- Clump forming perennial
- Chive-like, gray-green foliage
- Tiny, white, star-shaped flowers with brown, striped tepals
HEIGHT: 30-40 cm · SPREAD: 30-60 cm
Allium x 'Millenium'
ORNAMENTAL ONION
- Pink-purple, globe-shaped flowers of multiple florets
- Upright clump of glossy, grass-like foliage
- Compact habit
HEIGHT: 40-45 cm · SPREAD: 25-30 cm
Allium x 'Mount Everest'
ORNAMENTAL ONION
- Spherical umbels of white star-shaped florets
- Upright ribbed stems
- Aptly named for its statuesque form
HEIGHT: 100-125 cm · SPREAD: 20-30 cm
Alnus glutinosa
BLACK ALDER
- Pyramidal to oval growth habit
- Oval to rounded leaves, uneven double-toothed margins
- Drooping male catkins form in the fall and overwinter on the tree
HEIGHT: 16-18 m · SPREAD: 10-12 m
Alnus rugosa
SPECKLED ALDER
- Pyramidal to oval growth habit
- Noted for its speckled bark
- Oval to rounded leaves, margins uneven and double-toothed
HEIGHT: 13-15 m · SPREAD: 8-10 m
Alopecurus pratensis 'Aureovariegatus'
GOLDEN FOXTAIL GRASS
- Colourful tuft-forming perennial
- Variegated blades: green with yellow margins
- Light brown seed heads
HEIGHT: 45-60 cm · SPREAD: 30-60 cm
Alyssum montanum Mountain Gold ('Berggold')
MOUNTAIN GOLD ALYSSUM
- A popular rock garden plant
- Rich yellow fragrant flowers
- Forms a low trailing mound of silvery-gray foliage
HEIGHT: 10-15 cm · SPREAD: 30-45 cm
Alyssum saxatile 'Compacta'
BASKET OF GOLD
- AKA Aurinia saxatilis 'Compacta'
- A low-growing perennial with fragrant yellow flowers
- An attractive ground cover with gray-green foliage
HEIGHT: 20-30 cm · SPREAD: 30-50 cm
Amelanchier alnifolia
SASKATOON BERRY
- Lightly fragrant white flowers are held erect
- Sweet black-blue berries are good for eating and making jelly
- Gray-green foliage turns to brilliant yellow-orange in the fall
HEIGHT: 250-300 cm · SPREAD: 150-200 cm
Amelanchier alnifolia Standing Ovation™ ('Obelisk')
STANDING OVATION™ SERVICEBERRY
- Upright, uniform habit with a slender form
- Fragrant white flowers cover the plant in the spring
- Flowers lead to edible berries appearing green/white, changing to red, then dark blue
HEIGHT: 300-350 cm · SPREAD: 100-125 cm
Amelanchier alnifolia 'Regent'
REGENT SASKATOON BERRY
- Lightly fragrant white flowers are held erect
- Sweet black-blue berries are good for eating and making jelly
- Gray-green foliage turns to brilliant yellow-orange in the fall
HEIGHT: 125-175 cm · SPREAD: 200-250 cm
Amelanchier canadensis
SERVICEBERRY
- White flowers
- Grayish-green round leaves turn to medium-green in the summer
- Brilliant yellow to red colour in the fall
HEIGHT: 5-6 m · SPREAD: 3-4 m
Amelanchier canadensis Rainbow Pillar® ('Glenn Form') (PP9092)
RAINBOW PILLAR® SERVICEBERRY
- Dense upright narrow form of amelanchier
- Clusters of fragrant showy white flowers appear before the leaves
- Attractive to birds, sweet black berries are produced in June
HEIGHT: 5-6 m · SPREAD: 2-3 m
Amelanchier laevis
ALLEGHENY SERVICEBERRY
- Lightly fragrant drooping clusters of white flowers appear before the foliage
- Edible red berries ripen to dark purplish-black in June
- Glossy leaves emerge bronzish-purple, maturing to dark green
HEIGHT: 4-5 m · SPREAD: 4-5 m
Amelanchier laevis 'Cumulus'
CUMULUS SERVICEBERRY
- Upright growing, with a pyramidal to oval habit
- Pure white flowers cover the whole plant before the leaves emerge
- Red berries appear in the summer, ripening to black by fall
HEIGHT: 8-9 m · SPREAD: 5-6 m