Which Are the Most Water Hungry Plants?

Updated July 20, 2017

The amount of water a plant needs depends on the amount of sunlight it receives, the kind of soil it is planted in and its genetic make-up. Some plants thrive in bogs, water marshes and other wet areas. These plants require copious amounts of water when grown in pots or a traditional garden.

Sweet Flag

A perennial grassy plant, sweet flag, or Aronia arbutifolia, flourishes only when receiving abundant water. This wetlands plant boasts green foliage that is both fragrant and edible.

Marsh Marigold

The perennial marsh marigold, also known as cowslip, or Caltha palustris, blooms in spring. This attractive wetlands perennial attracts butterflies with its yellow blooms.

Virginia Sweetspire

The water-loving shrub Virginia sweetspire, which also goes by the name Virginia willow, or Iris virginica, blooms in late spring and summer. Its leaves are green, and the fragrant, white blooms attract birds and butterflies.

Yellow Flag Iris

This wetlands plant bears the botanical name of Iris pseudacorus. A perennial plant, yellow flag iris blooms in mid to late summer. Its bright-yellow blossoms attract butterflies and are suitable for use as cut flowers. It is an invasive plant, and all or parts of it are poisonous, so be mindful of where you plant it.


Scouring rush and rough horsetail are two other common names for horsetail, which bears the botanical name Equisetum hyemale. This green, leafy plant is native to wetlands, which means it prefers moist soil. It grows upright with spreading foliage that is useful for ground coverage, a container or woodland garden.

Great Lobelia

The perennial great lobelia, botanical name Lobelia siphilitica, produces bright blue blooms in late summer and fall. It is suitable for cut flowers, but all parts of the plant are poisonous. The blooms attract birds and butterflies. It grows upright and erect, great for a garden border.

True Forget-Me-Not

The true forget-me-not goes by the botanical name of Myosotis scoparius. It is a wetlands plant that goes well in a container, woodlands garden, as a border or for ground cover. It blooms in early summer with fragrant blue flowers that are suitable for cutting.

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About the Author

Skye Brannon began writing fiction in 2001 and expanded her efforts to non-fiction in 2010. Her first short story, "Fireweed" was published in "One World: A Global Anthology of Short Stories." Brannon graduated from the University of Oklahoma with a Bachelor of Administration in management information systems.