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Kaluhā

Great for reconstructing wetlands, provides food and shelter for native waterfowl. Spreads 1-2′ to form a dense mass.

Scientific NameBolboschoenus maritimus

Federal StatusNone

Common NameKaluhā

FamilyCyperaceae

Other Common NamesMakai, Bayonet grass, Bulrush, Makai sedge, Saltmarsh bulrush

Does your site's environmental conditions meet this plant's needs?

Climate Zones

Coastal Arid

Coastal Mesic

Inland Mesic

Salt TolerantYes

Preferred Elevation<2,000 Feet Only

Water Requirements4-5

Well Drained SoilNo

Does this plant meet your landscaping needs?

Plant FormSedge/Rush

Landscape UsesAccent, Containers, Ground Cover, Water Feature

Does this plant have the personality you're looking for?

AvailabilityVariable

Good for Novices?Average

Long-lived?No

Degree of SpreadModerate

Pruning NeedsNot necessary

Prune dead foliage and spent seed stalks as needed or allow seeds to drop into water for natural reseeding.

Does this plant provide the ecosystem and/or ethnotobanical benefits you're looking for?

Ethnobotany UsesNone

IslandsKauaʻi, Oʻahu, Molokaʻi, Maui, Hawaiʻi

Population StatusSWAP, Important interaction

OriginIndigenous

Welcome to the Go Native App

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Site Conditions?Select appropriate response below to feature plants best adapted to the environmental conditions where you live.

Climate Zone?The climate zones where this plant grows best. Learn more.

Exposure?Select what best represents the amount of sunlight at the planting site.

Water Requirements?The amount of water the plant needs: 1 is lowest, 5 is highest. Learn more.

Well Drained Soil?Plant prefers well-drained soil. Learn more.

Salt Tolerant?Salt tolerance is variable. If your site is right on the coast with direct salt spray, do some additional research to determine its tolerance. Learn more.

Elevation?If the plant grows better above or below 2,000' in elevation. Learn more.

Landscaping Attributes?Appropriate selections below will feature plants best adapted to your landscape design needs.

Plant Form?The plant's growth form.

Landscape Uses?Select the landscape design role you are looking for. Learn more.

Plant Height?The range of height of a fully-grown plant, in feet.

Plant Width?The range of width of a fully-grown plant, in feet.

Flower Color?Select a flower color or other attractive feature to filter for those plants. Learn more.

Plant Temperament?Appropriate selections below will further refine the list to feature plants that meet your specific needs.

Good For Novices??Select options below to match your gardening experience. Learn more.

Spreader??If the plant spreads or not. Learn more.

Degree of Spread?If the plant spreads, how evenly. Learn more.

Short Lived??Whether or not the plant is short-lived. Learn more.

Pruning Needs?If the plant needs pruning or not. Learn more.

Availability?How easy it is to find the plant. Learn more.

Additional Criteria

Ethnobotany Uses?How the Ancient Hawaiians used the plant: food, tools, shelter, canoes, medicine, spiritual, crafts, lei, ornamental, and/or fire.

Plants' Presence by Island?Not all native plants, birds occur on all islands. Select to show only what naturally occurs on your island. Learn more.

Valued by Birds?Select a native forest bird to feature plants beneficial to/associated with that bird. Learn more.

Valued by Bees??Select to feature plants valued by native yellow-faced bees and/or honeybees. Learn more.

Federal Status?The federal status of the plant (Endangered, Threatened, or Not listed) based on the US Fish and Wildlife Services Environmental Conservation Online System as of 6/26/2024. Also see "Population Status" designations (PEPP, SWAP). Learn more.

Population Status?Protection status for the plant under Federal and Hawai'I state laws. Learn more.

Origin?The native status of the plant in Hawaiʻi: Indigenous (found natively throughout Hawaiʻi), Endemic (found natively in specific areas), or Canoe (brought to Hawaiʻi by Ancient Hawaiians from other places in Polynesia). Learn more.

Matching Plants

Kaluhā

Does your site's environmental conditions meet this plant's needs?

Does this plant meet your landscaping needs?

Does this plant have the personality you're looking for?

Does this plant provide the ecosystem and/or ethnotobanical benefits you're looking for?

Welcome to the Go Native App

Site Conditions?
Select appropriate response below to feature plants best adapted to the environmental conditions where you live.

Climate Zone?
The climate zones where this plant grows best. Learn more.

Exposure?
Select what best represents the amount of sunlight at the planting site.

Water Requirements?
The amount of water the plant needs: 1 is lowest, 5 is highest. Learn more.

Well Drained Soil?
Plant prefers well-drained soil. Learn more.

Salt Tolerant?
Salt tolerance is variable. If your site is right on the coast with direct salt spray, do some additional research to determine its tolerance. Learn more.

Elevation?
If the plant grows better above or below 2,000' in elevation. Learn more.

Landscaping Attributes?
Appropriate selections below will feature plants best adapted to your landscape design needs.

Plant Form?
The plant's growth form.

Landscape Uses?
Select the landscape design role you are looking for. Learn more.

Plant Height?
The range of height of a fully-grown plant, in feet.

Plant Width?
The range of width of a fully-grown plant, in feet.

Flower Color?
Select a flower color or other attractive feature to filter for those plants. Learn more.

Plant Temperament?
Appropriate selections below will further refine the list to feature plants that meet your specific needs.

Good For Novices??
Select options below to match your gardening experience. Learn more.

Spreader??
If the plant spreads or not. Learn more.

Degree of Spread?
If the plant spreads, how evenly. Learn more.

Short Lived??
Whether or not the plant is short-lived. Learn more.

Pruning Needs?
If the plant needs pruning or not. Learn more.

Availability?
How easy it is to find the plant. Learn more.

Ethnobotany Uses?
How the Ancient Hawaiians used the plant: food, tools, shelter, canoes, medicine, spiritual, crafts, lei, ornamental, and/or fire.

Plants' Presence by Island?
Not all native plants, birds occur on all islands. Select to show only what naturally occurs on your island. Learn more.

Valued by Birds?
Select a native forest bird to feature plants beneficial to/associated with that bird. Learn more.

Valued by Bees??
Select to feature plants valued by native yellow-faced bees and/or honeybees. Learn more.

Federal Status?
The federal status of the plant (Endangered, Threatened, or Not listed) based on the US Fish and Wildlife Services Environmental Conservation Online System as of 6/26/2024. Also see "Population Status" designations (PEPP, SWAP). Learn more.

Population Status?
Protection status for the plant under Federal and Hawai'I state laws. Learn more.

Origin?
The native status of the plant in Hawaiʻi: Indigenous (found natively throughout Hawaiʻi), Endemic (found natively in specific areas), or Canoe (brought to Hawaiʻi by Ancient Hawaiians from other places in Polynesia). Learn more.