ExplorePlants

sea oats

Uniola paniculata

Sea oats are tall, grassy plants that grow along sandy beaches. They help keep the sand in place and are very important for the beach ecosystem.

Habitat: Coastal areas

Appearance

The sea oats has tall, slender stalks with long, blade-like leaves that are often a blue-green color. Its most distinctive feature is the feathery, golden-brown seed head that appears in late summer, resembling the cereal grain oats.

KingdomPlantaePhylumTracheophytaClassLiliopsidaOrderPoalesFamilyPoaceaeGenusUniola
sea oats
flowering trait badgegrasslike trait badgeevergreen trait badgesalt_tolerant trait badge
sea oats

Category

Plants

Rarity

Common

Danger

1/5 · Very low

Snaps

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Interesting facts

Wow! In many places, it's illegal to pick sea oats because they are so important for beach protection!

Wow! Its tiny seeds can float in the ocean for weeks before finding a new beach to sprout!

Wow! Long ago, people sometimes ground sea oat seeds into a flour to bake bread!

Wow! This plant can grow up to 6 feet tall, making it a giant among beach grasses!

Special abilities

Ability

Sand Gripper Roots

Sea oats has deep, extensive roots that hold sand in place, helping beaches survive strong winds and waves.

Ability

Salty Survivor

This plant can tolerate salty conditions, letting it thrive on ocean shores where many other plants cannot grow.

Ability

Buried but Breathing

Sea oats can grow upwards even when buried by shifting sands, always reaching for sunlight to survive.

Measurements & details

Height
100-200 cm
Spread
30-60 cm
Bloom Season
Summer-fall
Edible
No
Toxicity
None
Lifecycle
Perennial
Pollination Method
Wind

Ecological connections

eaten by

oldfield mouse

Peromyscus polionotus

eats the nutritious seeds

eaten by

Savannah sparrow

Passerculus sandwichensis

forages for seeds

shelters

green anole

Anolis carolinensis

hides among the leaves

shelters

marsh rice rat

Oryzomys palustris

builds nests in dense clumps

Traits

Also known as

No aliases listed yet.

Collections

Safety

Danger

1/5 · Very low

Stay on paths and be gentle around plants to help them grow.

Frequently Asked Questions

How tall is sea oats?

100-200 cm

How wide does sea oats spread?

30-60 cm

When does sea oats bloom?

Summer-fall

Is sea oats edible?

No

Is sea oats toxic?

None

What is sea oats's lifecycle?

Perennial

How is sea oats pollinated?

Wind

Where is sea oats usually found?

Coastal areas

Snap Map

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