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Acorus americanus
SWEET FLAG
  • Hardy perennial, swamp or bog plant
  • Foliage and rhizomes have a sweet citrus scent when bruised or cut
  • Wheat-like flowers

HEIGHT: 60-90 cm  ·  SPREAD: 70-90 cm

Acorus calamus 'Variegatus'
VARIEGATED SWEET FLAG
  • Forms an upright, vase-shaped clump of iris-like green and white variegated leaves
  • Adds a nice feature to the semi-aquatic garden
  • Foliage and rhizomes emit a spicy scent when crushed or bruised

HEIGHT: 50-60 cm  ·  SPREAD: 45-60 cm

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

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

Caltha palustris
MARSH MARIGOLD
  • AKA Caltha polypetala
  • Numerous, waxy, yellow, buttercup-like flowers
  • Kidney-shaped, glossy, dark green leaves, up to 10 cm long, form low mounds

HEIGHT: 30-40 cm  ·  SPREAD: 30-40 cm

Carex comosa
BRISTLY SEDGE
  • Tuft-forming sedge with an upright, cascading habit
  • Leaves are green, about 6 mm wide, triangular in cross sections
  • Seed heads droop downward, in clumps of 2-6 spikelets, up to 8 cm long, May through July

HEIGHT: 100-125 cm  ·  SPREAD: 50-60 cm

Carex elata 'Aurea'
BOWLES GOLDEN SEDGE
  • AKA Carex stricta 'Aurea'
  • Forms a clump of graceful arching fine foliage
  • Fine leaf blades are bright golden-yellow with narrow green margins

HEIGHT: 60-80 cm  ·  SPREAD: 30-40 cm

Carex lacustris
HAIRY SEDGE
  • A.K.A Carex riparia
  • Large upright grass with leaves and seeds growing off the same stem
  • Stems are bluish-green, triangular in cross section

HEIGHT: 100-125 cm  ·  SPREAD: 50-60 cm

Carex pseudocyperus
CYPRESS SEDGE
  • Tuft-forming grass with an upright, cascading habit
  • Leaves are yellow-green, about 6 mm wide and triangular in cross section
  • Spikes of tiny green or brown flowers

HEIGHT: 60-90 cm  ·  SPREAD: 50-60 cm

Carex stipata
AWL FRUITED SEDGE
  • Tuft-forming sedge with an upright, cascading habit
  • Leaves are green, about 6 mm wide, triangular in cross section
  • Brownish-green flower heads look like bushy foxtails

HEIGHT: 90-125 cm  ·  SPREAD: 50-60 cm

Carex stricta
TUSSOCK SEDGE
  • AKA Carex elata
  • Slender upright sedge with leaves and seeds growing off the same stems
  • Stems are bluish-green, triangular in cross section

HEIGHT: 60-90 cm  ·  SPREAD: 30-50 cm

Carex vulpinoidea
FOX SEDGE
  • Slender, upright, slightly arching sedge common to Ontario's wetlands
  • Stems are bluish-green, triangular in cross-section
  • Seed heads, at same height as the leaves, resemble a fox's tail

HEIGHT: 50-90 cm  ·  SPREAD: 40-50 cm

Cephalanthus occidentalis
BUTTONBUSH
  • Spherical clusters of white florets
  • Green nutlets turn brown in the fall and persist into the winter
  • Glossy foliage emerges in late spring

HEIGHT: 175-200 cm  ·  SPREAD: 175-200 cm

Eleocharis obtusa
BLUNT SPIKERUSH
  • A clumping rush with slender dark green cylindrical stems
  • Each stem is topped with a small dark brown oblong flower spike
  • Small narrow leaves are sometimes present near the base of the plant

HEIGHT: 20-40 cm  ·  SPREAD: 20-25 cm

Eleocharis palustris
COMMON SPIKERUSH
  • Narrow dark green round stems spread by rhizomatous roots
  • A dark reddish-purple sheath surrounds the base of the stems
  • Each stem features a small dark brown oblong flower spike

HEIGHT: 25-100 cm  ·  SPREAD: 50-150 cm

Equisetum fluviatile
RIVER HORSETAIL
  • Forms dense colonies in shallow water or ponds
  • Tall erect dark green smooth stems sport fine ridges
  • At each joint, the stem has a whorl of tiny black-tipped scale leaves

HEIGHT: 60-75 cm  ·  SPREAD: 60-70 cm

Equisetum hyemale
SCOURING RUSH
  • Rigid, hollow, bamboo-like stems
  • Dark green with black banding at joints
  • Produces small brown cone-like stem tips in the summer

HEIGHT: 60-100 cm  ·  SPREAD: 100-200 cm

Glyceria maxima var. 'Variegata'
VARIEGATED MANNAGRASS
  • A.K.A. Glyceria aquatica 'Variegata', Glyceria spectabilis 'Variegata'
  • Loose upright clump of pendulous blades
  • Strap-shaped leaves are striped with cream and sometimes tinged with pink

HEIGHT: 60-90 cm  ·  SPREAD: 45-60 cm

Glyceria striata
FOWL MANNAGRASS
  • AKA: Glyceria striata ssp. stricta, Panicularia nervata, Panicularia striata
  • Forms an upright clump of coarse green leaves 25 cm long arranged alternately along sturdy stems
  • Pyramidal airy panicles rise on slender stems above the foliage

HEIGHT: 60-110 cm  ·  SPREAD: 40-60 cm

Iris pseudacorus
YELLOW FLAG IRIS
  • AKA Iris lutea
  • Bright yellow flowers
  • Brown markings at the base of each yellow petal

HEIGHT: 125-150 cm  ·  SPREAD: 70-90 cm

Iris pseudacorus 'Variegata'
VARIEGATED YELLOW FLAG IRIS
  • AKA Iris lutea 'Variegata'
  • Bright yellow flowers
  • Brown markings at the base of each, yellow petal

HEIGHT: 80-100 cm  ·  SPREAD: 50-60 cm

Iris versicolor
BLUE FLAG IRIS
  • Narrow-petaled, lavender-blue flowers with creamy-yellow throats
  • Falls have deep purple veining with lighter blue standards
  • Bright green sword-like foliage

HEIGHT: 60-90 cm  ·  SPREAD: 60-75 cm

Iris virginica
PALE BLUE FLAG IRIS
  • Narrow petalled pale blue flowers with creamy-yellow throats
  • Standards are larger and longer than Iris versicolor
  • Upright slender blades of bright green

HEIGHT: 60-90 cm  ·  SPREAD: 60-80 cm

Juncus effusus
SOFT RUSH
  • Forms an upright vase-shaped clump of single stalks
  • Thin dark green cylindrical stems look stiff but are soft to the touch
  • Flowers emerge in small clusters from a split in the stems, slightly below the tips of the plant

HEIGHT: 90-120 cm  ·  SPREAD: 50-80 in

Juncus effusus f. spiralis
CORKSCREW RUSH
  • Forms an irregular mound of curling, twisted, cylindrical stems
  • Thin dark green stems look stiff but are soft to the touch
  • Flowers emerge in small clusters from a split in the stems, slightly below the tips of the plant

HEIGHT: 30-50 cm  ·  SPREAD: 30-45 cm

Juncus inflexus (glaucus)
HARD RUSH
  • AKA Juncus glaucus
  • Forms an upright clump of narrow cylindrical blue-green foliage
  • Flowers emerge in small clusters from a split in the stem, slightly below the tips of the plant

HEIGHT: 60-120 cm  ·  SPREAD: 40-60 cm

Mimulus ringens
MONKEY FLOWER
  • AKA Diplacus ringens
  • Lilac-purple tubular two-lipped flowers
  • Individual flowers develop from the leaf axils of the upper stems

HEIGHT: 75-85 cm  ·  SPREAD: 40-50 cm

Myrica gale
SWEET GALE
  • AKA Myrica palustris
  • Upright, oval habit
  • Waxy yellow catkins appear before the leaves

HEIGHT: 100-125 cm  ·  SPREAD: 80-100 cm

Osmunda regalis
ROYAL FERN
  • Unique widely spaced oblong leaflets with a distinct central vein
  • Pale green leaves in sunlight
  • Deeper green in shade with reddish stems

HEIGHT: 90-150 cm  ·  SPREAD: 60-90 cm

Peltandra virginica
GREEN ARROW ARUM
  • AKA Peltandra undulata
  • Tiny greenish-white flowers
  • Each flower is hidden by a 20 cm spathe

HEIGHT: 50-75 cm  ·  SPREAD: 50-60 cm

Persicaria amphibia
WATER KNOTWEED
  • AKA Polygonum amphibium
  • Habitat includes shallow waters along lakes, ponds, ditches
  • Adaptable to short periods of drought

HEIGHT: 30-125 cm  ·  SPREAD: 0-0 cm

Pontederia cordata
PICKERELWEED
  • Aquatic perennial with glossy green heart-shaped basal leaves
  • Unbranched smooth flower stalks
  • Violet-blue hyacinth-like flowers appear in closely packed terminal spikes

HEIGHT: 40-50 cm  ·  SPREAD: 60-80 cm

Sagittaria graminea
GRASS LEAF ARROWHEAD
  • Upright, rhizomatous spreader
  • Narrow long arrow-head-shaped mid-green foliage
  • Grows approximately 60 cm above water level

HEIGHT: 50-60 cm  ·  SPREAD: 20-30 cm

Sagittaria latifolia
ARROWHEAD
  • Upright aquatic perennial
  • Long narrow chevron-shaped mid-green leaves
  • Grows approximately 60 cm above water level

HEIGHT: 30-60 cm  ·  SPREAD: 100 cm

Salix exigua
SANDBAR WILLOW
  • AKA Salix interior
  • Yellowish-green catkins
  • Narrow silvery-gray leaves

HEIGHT: 3-4 m  ·  SPREAD: 5-6 m

Saururus cernuus
LIZARD'S TAIL
  • Rhizomatous marginal aquatic perennial
  • Naturally found in swamps or slow-moving rivers and ponds
  • Heart-shaped leaves are smooth and wavy on zig-zagged stems

HEIGHT: 50-90 cm

Scirpus acutus
HARD STEM BULRUSH
  • AKA: Schoenoplectus acutus var. occidentalis
  • Scirpus are not grasses, they are perennial sedges
  • Upright cylindrical gray-green stems have 3 to 4 slender sheathed leaves at the base

HEIGHT: 100-175 cm  ·  SPREAD: 50-100 cm

Scirpus atrovirens
DARK GREEN BULRUSH
  • Scirpus are not grasses, they are perennial sedges
  • Forms an open upright clump of dark green leaves branching from the main stems
  • Dark green culms, reaching 125 cm, develop clusters of inflorescences

HEIGHT: 90-125 cm  ·  SPREAD: 90-125 cm

Scirpus cyperinus
WOOL GRASS
  • Scirpus are not grasses, they are perennial sedges
  • Forms short tufts of grass-like blades
  • Flowers rise above the foliage on narrow upright stems

HEIGHT: 100-150 cm  ·  SPREAD: 90-125 cm

Scirpus fluviatilis
RIVER BULRUSH
  • Aka Bolboschoenus fluviatilis
  • Scirpus are not grasses, they are perennial sedges
  • Forms short tufts of grass-like blades

HEIGHT: 30-60 cm  ·  SPREAD: 30-40 cm

Scirpus pungens
COMMON THREE SQUARE
  • AKA: Schoenoplectus pungens, Scirpus americanus
  • Scirpus are not grasses, they are perennial sedges
  • Triangular stems bear few blades up to 25 cm long

HEIGHT: 100-175 cm  ·  SPREAD: 75-125 cm

Scirpus validus
SOFTSTEM BULRUSH
  • AKA: Schoenoplectus tabernaemontani
  • Scirpus are not grasses, they are perennial sedges
  • Dark green spongy stems, up to 2 cm thick, are rounded-edged and triangular in cross-section

HEIGHT: 175-250 cm  ·  SPREAD: 100-120 cm

Taxodium distichum
COMMON BALD CYPRESS
  • Deciduous conifer
  • Upright pyramidal with nearly horizontal branching
  • Soft feathery flat needles green in the summer

HEIGHT: 15-25 m  ·  SPREAD: 7-10 m

Taxodium distichum 'Cascade Falls' (PP12296)
CASCADE FALLS BALD CYPRESS
  • Deciduous conifer
  • Typically top-grafted, with a compact weeping crown
  • Branches grow outward from the stem, then drop vertically to the ground

HEIGHT: 175-250 cm  ·  SPREAD: 125-200 cm

Taxodium distichum 'Peve Minaret'
PEVE MINARET BALD CYPRESS
  • Deciduous conifer
  • Upright pyramidal form dense with sharply ascending branches
  • Soft fern-like flat needles green in the summer

HEIGHT: 175-250 cm  ·  SPREAD: 100-125 cm

Typha angustifolia
NARROWLEAF CATTAIL
  • Clumping spreading stands of narrow sword-like leaves
  • Central flower stalks are equal to the height of the leaves
  • Male and female flowers are held separately

HEIGHT: 175-200 cm  ·  SPREAD: 200-500 cm

Typha latifolia
BROADLEAF CATTAIL
  • Clumping spreading stands of sword-like leaves
  • Central flower stalks, equal to the height of the leaves, hold male and female flowers
  • Cylindrical flowers turn brown after fertilization

HEIGHT: 125-200 cm  ·  SPREAD: 200-500 cm

Typha latifolia 'Variegata'
VARIEGATED CATTAIL
  • Clumping spreading stands of sword-like leaves have creamy-white centre stripes
  • Central flower stalks are equal to the height of the leaves and hold male and female flowers
  • Cylindrical flowers turn brown after fertilization

HEIGHT: 120-150 cm  ·  SPREAD: 120-150 cm

Typha laxmannii
DWARF CATTAIL / GRACEFUL CATTAIL
  • Clumping, spreading stands of narrow sword-like leaves
  • Central flower stalks equal to the height of the leaves
  • Male and female flowers are held separately

HEIGHT: 100-150 cm  ·  SPREAD: 200-500 cm