Winter Hardy Plants

Blue Iris

Blue Iris (Iris versicolor)

Delicate violet/blue blossoms rise gracefully above sword-like foliage.

Water Iris, Purple

Purple Water Iris (Iris x Louisiana "Black Gamecock")

Striking midnight purple blossoms perch high atop graceful medium green foliage.

Dwarf Variegated Sweet Flag

Dwarf Variegated Sweet Flag

Variegated Dwarf Sweet Flag (Acorus gramineus 'Variegatus')

Variegated Sweet Flag

Variegated Sweet Flag

Variegated Sweet Flag (Acorus calamus 'Variegatus')

The beautiful half white, half green blades make an excellent backdrop to any pond or water garden. 

Thalia

Thalia (Hardy Water Canna)

Hardy Water Canna (Thalia dealbata)

  • Richly-colored purple flowers
  • Blooms from July-October
  • The bold dramatic foliage reaches heights of 6'

 

Blue Pickerel

Blue Pickerel Rush

Blue Pickerel Rush (Pontederia cordata)

  • Glossy, heart-shaped leaves
  • Can reach 30 inches in height
  • A great plant for beginners

 

Corkscrew Rush

Corkscrew Rush

Corkscrew Rush (Juncus effusus spiralis)

Corkscrew Rush is a unique marginal plant with dark-green spiraled foliage producing tiny green flowers in summer months.

  • Spirals grow up to 24" tall
  • Enjoys wet conditions with full sun
  • Cut back old foliage in early spring

 

Lizard's Tail

Lizard's Tail

Lizard’s Tail (Saururus cernuus)

This hardy marginal plant produces triangular green foliage with slightly fragrant white flower spikes.

Horsetail Rush

Horsetail Rush

Horsetail Rush (Equisetum hyemale)

Horsetail lends a tropical bamboo effect to the pond, and is winter hardy. It prefers still, shallow, sandy areas.

Variegated Clover

Variegated Clover

Variegated Clover (Marsilea mutica)

  • Bright green hue with white variegations in the center
  • An excellent choice for new pond owners
  • Regular trimming may be required