How much sun does Pipewort need?

Pipewort grows best in part sun conditions.

When does Pipewort bloom?

Pipewort blooms in July, August, and September.

Where is Pipewort native?

Pipewort (Eriocaulon aquaticum) is native to AL, CT, DE, IN and 16 more states, per vouchered herbarium specimen records and regional native plant society lists.

Is Pipewort HOA-friendly?

Pipewort takes more care to look intentional in a front yard. Consider it for backyard or mid-zone beds rather than the street edge.

Pipewort

Name: Pollinator Patch
Author: Pollinator Patch

Eriocaulon aquaticum

Last reviewed: August 2026

Toxicity unknown

Pipewort (Eriocaulon aquaticum) is not listed by the ASPCA Animal Poison Control Center (opens in new tab) or the other sources we check, so we have no verdict for it either way. Absence from those lists is not a clearance. If your pet shows symptoms after eating any plant, call the ASPCA at (888) 426-4435.

Light

part sun

Water

high

Size

4"–12" H × 2"–6" W

Bloom

Jul, Aug, Sep

Native to

AL, CT, DE, IN and 16 more states

Before you buy

Your city may pay you to plant this

Cities and water utilities offer rebates for replacing lawn with native and water-wise plants. We track 452 programs across 44 states, each with a link to the provider and the date we last checked it.

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Browse plants for this ecoregion

Northern Lakes and Forests North Central Hardwood Forests Southern Michigan/Northern Indiana Drift Plains Northeastern Highlands Northeastern Coastal Zone Northern Allegheny Plateau Erie Drift Plain Northern Forests Middle Atlantic Coastal Plain Southeastern Plains Ridge and Valley Acadian Plains and Hills Eastern Great Lakes Lowlands Atlantic Coastal Pine Barrens

Pipewort is a small aquatic native plant that forms compact rosettes of narrow, grass-like leaves. It produces distinctive white, button-like flower heads on slender stems during summer and fall. This plant thrives in consistently wet soils and bog-like conditions.

In an HOA neighborhood

Pipewort takes more care to keep looking intentional in a front yard. Maintenance level: high. Consider it for backyard or mid-zone beds rather than the street edge.

Works well in: backyard only.

Requires boggy conditions unsuitable for typical landscaping
Very small size may appear weedy or unkempt
Specialized aquatic plant incompatible with standard yard maintenance

Wildlife value

While specific pollinator data is limited, the small white flowers likely attract various small insects and flies during the blooming period.

Common questions

How much sun does Pipewort need?: Pipewort grows best in part sun conditions.
When does Pipewort bloom?: Pipewort blooms in July, August, and September.
Where is Pipewort native?: Pipewort (Eriocaulon aquaticum) is native to AL, CT, DE, IN and 16 more states, per vouchered herbarium specimen records and regional native plant society lists.
Is Pipewort HOA-friendly?: Pipewort takes more care to look intentional in a front yard. Consider it for backyard or mid-zone beds rather than the street edge.

Native range data from vouchered herbarium specimen records and regional native plant society lists. Pollinator and host plant associations compiled from GBIF, iNaturalist, and published ecological literature.

If something looks wrong

Common plant problems, and what to check first

These come up on almost any plant. Each guide lists the likely causes in the order they are worth ruling out, with one thing to check before you act on any of them, and links to the source it came from.

See all plant problem guides

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