Native Plants

Common Wireweed

Sida acuta

USDA symbol: SIAC3

perennial subshrub

Hawaii: non-native, naturalized
Lower 48 states: native
Navassa Island: native
Pacific Basin excluding Hawaii: non-native, naturalized
Puerto Rico: native
U.S. Virgin Islands: native

If you’ve ever wondered about that small, persistent plant with cheerful yellow flowers popping up in disturbed soils, you might be looking at common wireweed (Sida acuta). This perennial forb has quite the tale to tell – it’s both beloved and bewildering, depending on where you garden and what you’re ...

Common Wireweed: A Hardy Perennial with a Complex Story

If you’ve ever wondered about that small, persistent plant with cheerful yellow flowers popping up in disturbed soils, you might be looking at common wireweed (Sida acuta). This perennial forb has quite the tale to tell – it’s both beloved and bewildering, depending on where you garden and what you’re trying to achieve in your landscape.

What Exactly Is Common Wireweed?

Common wireweed is a perennial herb that belongs to the mallow family. Unlike woody shrubs or trees, this plant lacks significant woody tissue and instead produces soft, herbaceous growth year after year. It’s characterized by its small, heart-shaped leaves and bright yellow, five-petaled flowers that seem to bloom almost continuously in favorable conditions.

You might also encounter this plant under its scientific name, Sida acuta, or its various synonyms including Sida carpinifolia. The wireweed part of its common name likely refers to its somewhat wiry, tough stems that can persist even in challenging growing conditions.

Where Does It Call Home?

Here’s where things get interesting with common wireweed – its native status is complicated. This plant is native to several U.S. states including Alabama, Florida, Georgia, Louisiana, Mississippi, New Jersey, Pennsylvania, South Carolina, and Texas. It’s also native to Puerto Rico, the U.S. Virgin Islands, and Navassa Island.

However, in Hawaii, Guam, Palau, and other Pacific Basin locations, common wireweed is considered non-native, having been introduced and now reproducing on its own in the wild.

  • Species observed
  • No observations

Should You Plant Common Wireweed?

The answer depends largely on where you garden and what you’re hoping to achieve:

Reasons You Might Want It:

  • Low maintenance once established
  • Attracts bees and other small pollinators with its bright yellow blooms
  • Drought tolerant and adaptable to various soil conditions
  • Native plant option in much of the southeastern and some mid-Atlantic states
  • Thrives in USDA hardiness zones 8-11

Reasons for Caution:

  • Can spread readily and may become weedy in some situations
  • Not suitable for formal garden designs
  • May require management to prevent overly aggressive spreading
  • Non-native in Hawaii and Pacific regions

Growing Conditions and Care

If you decide common wireweed fits your gardening goals, you’ll find it refreshingly undemanding:

Light: Prefers full sun but tolerates partial shade
Soil: Adaptable to various soil types, but requires good drainage
Water: Drought tolerant once established, though regular water encourages more blooms
Wetland Tolerance: Generally prefers upland conditions and rarely occurs in wetlands (except in Hawaii where it can tolerate wetter conditions)

Landscape Role and Design Ideas

Common wireweed works best in informal, naturalized settings rather than manicured garden beds. Consider it for:

  • Naturalized meadow areas
  • Pollinator gardens (informal sections)
  • Ground cover in low-maintenance landscapes
  • Restoration projects in its native range

A Word About Alternatives

If you’re gardening in Hawaii or other Pacific locations where common wireweed isn’t native, consider exploring indigenous alternatives that provide similar benefits. Native plants are always the most ecological choice for supporting local wildlife and maintaining regional biodiversity.

The Bottom Line

Common wireweed is one of those plants that proves gardening isn’t always black and white. In its native range, it can be a valuable, low-maintenance addition to informal landscapes, supporting local pollinators and requiring minimal care. However, its spreading nature means it’s not for every garden or every gardener.

Before planting, consider your gardening style, local ecosystem, and how much management you’re willing to do. Sometimes the most interesting plants are the ones that make us think a little harder about our gardening choices – and common wireweed certainly fits that description!

Sida acuta is also known as...

Often we refer to plants by their common names. When shopping for plants the scientific name is the best way to positively identify the plant species you desire. But some plants have more than one name! While it doesn't happen often, nurseries might display one name while you're searching for another. Sida acuta is also known as:

Sida acuta f. ssp. carpinifolia | USDA symbol: SIACC
Sida acuta f. var. carpinifolia | USDA symbol: SIACC2
Sida carpinifolia f. | USDA symbol: SICA17

Why do some plants have more than one name? Over time plant species may be renamed for a few reasons:

  1. Botanists in different regions named the same plant without knowing it had already been classified.
  2. A species was reclassified after scientific advances in, for example, DNA analysis.
  3. Slight variations within a species are sometimes mistakenly identified as entirely new species.

Wetland Status

The rule of seasoned gardeners and landscapers is to choose the "right plant for the right place" — matching plants to their ideal growing conditions, so they'll thrive with less care and fewer inputs. But the simplicity of this catchphrase conceals how tricky plant selection can be if you don't have the right information. While tags on nursery plants list watering requirements, there's more to the story.

Knowing a plant's wetland status can simplify the process by revealing the interaction between plants, water, and soil. You might be surprised to learn that popular landscape plants are wetland species! And what may be a wetland plant in one area, in another it might thrive in drier conditions. The table below gives insight into the preferred growing conditions of this plant throughout its geographical distribution.

Region
Preferred Habitat

Arid West (AZ, CA, CO, ID, MT, NV, NM, OR, TX, UT, WA, WY)

Obligate Upland

Atlantic and Gulf Coastal Plain (AL, AR, DC, DE, FL, GA, IL, KY, LA, MD, MS, MO, NC, NJ, OK, PA, SC, TN, TX, VA)

Obligate Upland

Caribbean (PR, VI)

Obligate Upland

Eastern Mountains and Piedmont (AL, AR, DC, DE, GA, IL, IN, KS, KY, MD, MO, NC, NJ, NY, OH, OK, PA, SC, TN, VA, WV)

Obligate Upland

Great Plains (CO, KS, MN, MT, NE, NM, ND, OK, SD, TX, WY)

Obligate Upland

Hawaii ()

Facultative

Northcentral & Northeast ()

Facultative Upland
Wetland Glossary
Obligate Wetland
Facultative Wetland
Facultative
Facultative Upland
Obligate Upland
Almost always occurs in wetlands
Usually occurs in wetlands but may occur in non-wetlands
Can occur in wetlands and non-wetlands
Usually occurs in non-wetlands but may occur in wetlands
Almost never occurs in wetlands

Classification

Group: Dicot
Kingdom: Plantae - Plants
Subkingdom: Tracheobionta - Vascular plants
Superdivision: Spermatophyta - Seed plants
Division: Magnoliophyta - Flowering plants
Class: Magnoliopsida - Dicotyledons
Subclass: Dilleniidae
Order: Malvales
Family: Malvaceae Juss. - Mallow family
Genus: Sida L. - fanpetals

Species: Sida acuta Burm. f. - common wireweed

Plant data source: USDA, NRCS 2025. The PLANTS Database. https://plants.usda.gov,. 2/25/2025. National Plant Data Team, Greensboro, NC USA