How much sun does Beaked Tasselweed need?

Beaked Tasselweed grows best in full sun conditions.

When does Beaked Tasselweed bloom?

Beaked Tasselweed blooms in May, June, July, August, and September.

Where is Beaked Tasselweed native?

Beaked Tasselweed (Ruppia maritima) is native to AL, CA, CT, DE and 17 more states, per the USDA PLANTS Database and regional native plant society lists.

Is Beaked Tasselweed toxic to livestock?

The USDA PLANTS Database does not flag Beaked Tasselweed as toxic to livestock.

Is Beaked Tasselweed HOA-friendly?

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

Beaked Tasselweed

Name: Pollinator Patch
Author: Pollinator Patch

Ruppia maritima

Last reviewed: June 2026

The USDA PLANTS Database (opens in new tab) does not flag Beaked Tasselweed as toxic to livestock.

Light

full sun

Water

high

Size

4"–24" H × 4"–24" W

Bloom

May, Jun, Jul, Aug, Sep

Native to

AL, CA, CT, DE and 17 more states

Browse plants for this ecoregion

Coast Range Central California Valley Southern California Mountains Central Basin and Range Mojave Basin and Range Western Gulf Coastal Plain

Beaked tasselweed is an aquatic annual plant that grows completely submerged in saltwater or brackish water environments. This marine plant forms underwater meadows and requires constant submersion to survive.

In an HOA neighborhood

Beaked Tasselweed 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.

Requires full submersion in saltwater
Not suitable for terrestrial landscaping
Only grows in marine environments

Wildlife value

This submerged aquatic plant provides important habitat and food for waterfowl, fish, and marine invertebrates in coastal ecosystems.

Common questions

How much sun does Beaked Tasselweed need?: Beaked Tasselweed grows best in full sun conditions.
When does Beaked Tasselweed bloom?: Beaked Tasselweed blooms in May, June, July, August, and September.
Where is Beaked Tasselweed native?: Beaked Tasselweed (Ruppia maritima) is native to AL, CA, CT, DE and 17 more states, per the USDA PLANTS Database and regional native plant society lists.
Is Beaked Tasselweed toxic to livestock?: The USDA PLANTS Database does not flag Beaked Tasselweed as toxic to livestock.
Is Beaked Tasselweed HOA-friendly?: Beaked Tasselweed 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 USDA PLANTS Database and regional native plant society lists. Pollinator and host plant associations compiled from GBIF, iNaturalist, and published ecological literature.

Ready to grow Beaked Tasselweed? Add it to your garden in Pollinator Patch to track it and get season-by-season care guidance.

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