How much sun does Tall scouring rush need?

Tall scouring rush grows best in part sun conditions.

When does Tall scouring rush bloom?

Tall scouring rush blooms in April and May.

Where is Tall scouring rush native?

Tall scouring rush (Equisetum praealtum) is native to AL, AR, AZ, CA and 45 more states, per the World Checklist of Vascular Plants (Kew).

Tall scouring rush

Name: Pollinator Patch
Author: Pollinator Patch

Equisetum praealtum

Last reviewed: September 2026

Tall scouring rush (Equisetum praealtum) is a perennial fern native to AL, AR, AZ, CA and 45 more states. It blooms in April and May.

Toxicity unknown

Tall scouring rush (Equisetum praealtum) 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

24"–60" H × 24"–48" W

Bloom

Apr, May

Native to

AL, AR, AZ, CA and 45 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 458 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

Coast Range Puget Lowland Marine West Coast Forest Northwestern Forested Mountains Sierra Nevada Central California Foothills and Coastal Mountains Central California Valley Southern California Mountains North American Deserts Central Basin and Range Mojave Basin and Range Southern Rockies Arizona/New Mexico Mountains Chihuahuan Deserts High Plains Southwestern Tablelands Central Great Plains Great Plains Cross Timbers Edwards Plateau Texas Blackland Prairies East Central Texas Plains Western Gulf Coastal Plain South Central Plains Eastern Temperate Forests Ozark Highlands Central Irregular Plains Northwestern Glaciated Plains Northwestern Great Plains Piedmont Northern Glaciated Plains Western Corn Belt Plains Northern Forests Northern Lakes and Forests North Central Hardwood Forests Driftless Area Southeastern Wisconsin Till Plains Central Corn Belt Plains Eastern Corn Belt Plains Southern Michigan/Northern Indiana Drift Plains Huron/Erie Lake Plains Northeastern Highlands Northeastern Coastal Zone Northern Allegheny Plateau Erie Drift Plain Middle Atlantic Coastal Plain Northern Piedmont Southeastern Plains Blue Ridge Ridge and Valley Central Appalachians Western Allegheny Plateau Interior Plateau Interior River Valleys and Hills Mississippi Alluvial Plain Mississippi Valley Loess Plains Southern Coastal Plain Madrean Archipelago Sonoran Basin and Range Acadian Plains and Hills Eastern Great Lakes Lowlands Atlantic Coastal Pine Barrens Southern California/Northern Baja Coast

An evergreen, rush-like plant with hollow, jointed, ridged stems and no true leaves or flowers. It spreads by rhizomes along streambanks and wetland edges, forming dense colonies that stay green through winter.

Growing Tall scouring rush

Grow Tall scouring rush in part sun and high water. Mature plants reach 24 to 60 inches tall and spread 24 to 48 inches wide.

Wildlife value

Provides year-round cover along waterways, though it offers little direct food value for pollinators.

Common questions

How much sun does Tall scouring rush need?: Tall scouring rush grows best in part sun conditions.
When does Tall scouring rush bloom?: Tall scouring rush blooms in April and May.
Where is Tall scouring rush native?: Tall scouring rush (Equisetum praealtum) is native to AL, AR, AZ, CA and 45 more states, per the World Checklist of Vascular Plants (Kew).

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

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

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