What growing conditions does Sagittaria cuneata need?

It grows best in full sun with consistently high moisture, often rooted directly in shallow water, pond margins, ditches or muddy shorelines.

When does Sagittaria cuneata bloom?

Flowering typically occurs from July through September.

What pollinates Sagittaria cuneata?

The flowers are visited mainly by bees and flies, which move between the separate male and female blooms.

Can Sagittaria cuneata grow in a garden pond?

Yes, it can be planted in the shallow margins of a pond or water garden where its roots stay submerged or in saturated soil and it receives plenty of direct sun.

Is Arum-leaf Arrowhead toxic to livestock?

The USDA PLANTS Database does not flag Arum-leaf Arrowhead as toxic to livestock.

Is Arum-leaf Arrowhead HOA-friendly?

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

Arum-leaf Arrowhead

Name: Pollinator Patch
Author: Pollinator Patch

Sagittaria cuneata

Last reviewed: August 2026

Sagittaria cuneata is an aquatic forb that grows rooted in shallow water, muddy shorelines and marshes, producing white flowers from July through September in full sun.

Toxicity unknown

Arum-leaf Arrowhead (Sagittaria cuneata) 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.

The USDA PLANTS Database (opens in new tab) does not flag Arum-leaf Arrowhead as toxic to livestock.

Light

full sun

Water

high

Size

8"–24" H × 6"–12" W

Bloom

Jul, Aug, Sep

Native to

AZ, CA, CO, CT and 28 more states

Pollinators

bees, flies

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Sagittaria cuneata is a native aquatic perennial that produces distinctive arrow-shaped leaves and small white flowers from July through September. This wetland plant requires consistently moist to wet soil conditions and thrives in full sun locations like pond edges, rain gardens, or bog areas.

Growing Arum-leaf Arrowhead

Grow Arum-leaf Arrowhead in full sun and high water. Mature plants reach 8 to 24 inches tall and spread 6 to 12 inches wide. Expect moderate maintenance to keep it looking intentional in a front yard.

In an HOA neighborhood

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

Works well in: backyard only.

Requires wetland conditions incompatible with typical landscaping
Wild aquatic appearance doesn't fit conventional garden aesthetics
Limited to specialized water garden applications

Wildlife value

The summer blooms attract bees and flies for pollination. As an aquatic native, it also provides habitat for various wetland wildlife and waterfowl.

Common questions

What growing conditions does Sagittaria cuneata need?: It grows best in full sun with consistently high moisture, often rooted directly in shallow water, pond margins, ditches or muddy shorelines.
When does Sagittaria cuneata bloom?: Flowering typically occurs from July through September.
What pollinates Sagittaria cuneata?: The flowers are visited mainly by bees and flies, which move between the separate male and female blooms.
Can Sagittaria cuneata grow in a garden pond?: Yes, it can be planted in the shallow margins of a pond or water garden where its roots stay submerged or in saturated soil and it receives plenty of direct sun.
Is Arum-leaf Arrowhead toxic to livestock?: The USDA PLANTS Database does not flag Arum-leaf Arrowhead as toxic to livestock.
Is Arum-leaf Arrowhead HOA-friendly?: Arum-leaf Arrowhead takes more care to look intentional in a front yard. Consider it for backyard or mid-zone beds rather than the street edge.

These answers were drafted with an AI model from this plant's data. Verify care details with a local expert.

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

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