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HARDY FLOWERING MARGINAL PLANTS FOR POND, BOGS & STREAMS 

Click on picture COMMON NAME LATIN NAME DESCRIPTION
Aquatic Mint Mentha aquatica a vigorous creeping plant with small lavender flowers - 2”
Arrow Arum Peltandra virginica

dark green arrow shaped leaves with a unique green flower spathe – 2” 

Arrowhead, double Sagittaria japonica

 beautiful double white flowers above arrowhead shaped leaves – 2” 

Bloodwort Rumex sanguineus Leaf 'veins' are deeply variegated blood red
Bog Arum Calla palustris

  a low growing plant with heart shaped leaves and white flowers followed by red berries – 2” 

Bogbean Menyanthes trifoliata a low growing plant that is often first to bloom in spring with pinkish white flowers - 6”
Brooklime  Veronica americana a creeping plant with clusters of small blue flowers, great for the waterside-2"
Butterbur, Variegated Petasites japonicus 'Variegatus' An outstanding foliage plant with large round leaves
Cardinal Flower Lobelia cardinalis tall spikes of bright red flowers late in the season growing 24"-@
Blue Lobelia Lobelia siphilitica tall spikes of blue flowers late in the season growing 36"-@
White Lobelia Lobelia sphilitca 'alba' Tall spikes of white flowers late in the season, growing 24"- @
Cotton Grass Eriophorum angustifolium Slender grassy foliage with unique tassels of white cotton-like flowers up to 12" tall. 
Flowering Rush Butomus umbellatus graceful red pink flowers are produced above 3’ spiked triangular shaped leaves – 3”
Golden Buttercup 'Buttered Popcorn' Ranunculus repens A low growing plant that produces small buttercup like yellow flowers in late spring
Golden Buttons Cotula coronopifolia a low growing plant that is covered with small yellow flowers throughout the summer
Golden Candles, Variegated Lysimachia punctata ‘Alexander’ bright yellow blooms between variegated pink, white and green foliage up to 2’ – 2”  
Golden Moneywort Lysimachia nummularia ‘Aurea’ a great creeping accent plant for the pond edge, yellow flowers on yellow green foliage –2” 
Greater Spearwort Ranunculus lingua ‘Grandiflora' bright 1”-2” flowers held above narrow leaves  
Hardy Water Canna Thalia dealbata 4’ plant with large oval green blue leaves and clusters of small purple high above – 6” 
Ladies tresses Spiranthes cernua Produces beautiful Fragrant white blooms in late summer
Lizard’s Tail Saururus cernuus

2’ tall plant with heart shape leaves and white flower spikes 

Marsh Betony Stachys palustris

 2’ tall plant with whorls of pink flowers held above lance shape leaves - @ 

Mares Tail

 Hippuris vulgaris

unique, almost prehistoric looking plant with fine foliage
Marsh Marigold Caltha palustris

bright yellow flowers above dark green leaves, flowers early spring – 2” 

Double Marsh Marigold Caltha palustris 'Flora Plena' Very double bright yellow flowers above dark green leaves, flowers early spring – 2”     
Monkey Flower 'Bonfire' Mimulus "Bonfire' creeping plant has bright red flowers with yellow throats
Parrot Feather Myriophyllum aquaticum delicate foliage is almost feather-like, often planted as a marginal, hardy to Z5-6
Pennywort Hydrocotyle sp. A low growing, vigorous plant that forms dense mats of penny-sized leaves above the water. Great for softening the edges of the pond.
Pickerel Plant Pontederia cordata

 blue spikes of flowers held above lance shape leaves- 6”  

Pickerel Plant, White Pontederia cordata ‘alba’ same as above but with white flower spikes 

Pickerel Plant, Pink

 Pontederia cordata ‘pink’ same as above but with pink flower spikes 
Queen of the Meadow Filipendula ulmaria 'Variegata' Leaves are deeply cut and variegated with pale yellow patches or stripes
Ragged Robin Lychnis flos cuculi The delicate pink flowers are a sure to attract butterflies
Water Spearmint, Preslia cervina An excellent creeping plant, with aromatic leaves & blue flowers
Southern Marsh Orchid Dactylorhiza praetermissa Produces beautiful pink blooms in late spring early summer
Summer Snowflake Leucojum aestivum produces abundant white bell shaped flowers, with the petals tipped in green
Water Celery, Variegated Oenanthe javanica ‘Flamingo' 1’ delicate celery like foliage is variegated with white and pink – 2” 
Water Cress Nasturtium officinale vigorous creeping plant with small white flowers, grows well in moving water and can be used in salads  
Water Forget-Me-Not Myosotis scorpioides a trailing plant with light blue flowers, great for the pond edge
Water Forget-Me-Not, Pink Myosotis scorpioides 'Pinkie' a trailing plant with light pink flowers, great for the pond edge
Water Forget-Me-Not, white Myosotis scorpioides 'alba' a trailing plant with bright white flowers, great for the pond edge
Water Hawthorn Aponogeton distachyus Green oval leaves float on the surface, white clusters of flowers bloom in spring and fall, and goes dormant in summer 
Water Plantain Alisma plantago aquatica pinkish white delicate flowers are held high above long stalked leaves – 6”  

Hydrosphere Water Gardens   The Pond Supplies & Koi Experts  2474 9th Line Bradford, Ontario, Canada - just 35 minutes north of Toronto