How much sun does Acid-Water Arrowhead need?

Acid-Water Arrowhead grows best in full sun conditions.

When does Acid-Water Arrowhead bloom?

Acid-Water Arrowhead blooms in July, August, and September.

Where is Acid-Water Arrowhead native?

Acid-Water Arrowhead (Sagittaria engelmanniana) is native to AL, CT, DE, FL and 14 more states, per the World Checklist of Vascular Plants (Kew).

What pollinators does Acid-Water Arrowhead attract?

Acid-Water Arrowhead draws bees and flies.

Is Acid-Water Arrowhead HOA-friendly?

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

Acid-Water Arrowhead

Name: Pollinator Patch
Author: Pollinator Patch

Sagittaria engelmanniana

Last reviewed: August 2026

Toxicity unknown

Acid-Water Arrowhead (Sagittaria engelmanniana) 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

full sun

Water

high

Size

12"–36" H × 6"–18" W

Bloom

Jul, Aug, Sep

Native to

AL, CT, DE, FL and 14 more states

Pollinators

bees, flies

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.

Find rebates in your area

Browse plants for this ecoregion

Northeastern Coastal Zone Atlantic Coastal Pine Barrens

Sagittaria engelmanniana is an aquatic or wetland perennial with distinctive arrow-shaped leaves and white three-petaled flowers that bloom from July through September. This native plant thrives in consistently wet conditions and full sun, making it ideal for water gardens, pond edges, or rain gardens.

In an HOA neighborhood

Acid-Water 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 consistently wet conditions that may create drainage concerns
Aquatic growth habit appears too specialized for typical landscaping
May go dormant and disappear in winter leaving bare wet spots

Wildlife value

The white flowers attract bees and flies during the summer blooming period. As an aquatic native, it also provides habitat for wetland wildlife and waterfowl.

Common questions

How much sun does Acid-Water Arrowhead need?: Acid-Water Arrowhead grows best in full sun conditions.
When does Acid-Water Arrowhead bloom?: Acid-Water Arrowhead blooms in July, August, and September.
Where is Acid-Water Arrowhead native?: Acid-Water Arrowhead (Sagittaria engelmanniana) is native to AL, CT, DE, FL and 14 more states, per the World Checklist of Vascular Plants (Kew).
What pollinators does Acid-Water Arrowhead attract?: Acid-Water Arrowhead draws bees and flies.
Is Acid-Water Arrowhead HOA-friendly?: Acid-Water Arrowhead 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 the World Checklist of Vascular Plants (Kew). 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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