North America Native Plant

Shameplant

Botanical name: Mimosa pudica

USDA symbol: MIPU8

Life cycle: annual

Habit: forb

Native status: Non-native, reproduces and persists in the wild in Hawaii âš˜ Non-native, reproduces and persists in the wild in the lower 48 states âš˜ Non-native, reproduces and persists in the wild in Pacific Basin excluding Hawaii âš˜ Native to Puerto Rico âš˜ Native to the U.S. Virgin Islands  

The Shameplant: Nature’s Most Interactive Garden Curiosity Have you ever wished your garden could literally respond to your touch? Meet the shameplant (Mimosa pudica), also known as the sensitive plant – a fascinating species that brings an element of wonder and interactivity to any garden space. This remarkable plant has ...

The Shameplant: Nature’s Most Interactive Garden Curiosity

Have you ever wished your garden could literally respond to your touch? Meet the shameplant (Mimosa pudica), also known as the sensitive plant – a fascinating species that brings an element of wonder and interactivity to any garden space. This remarkable plant has earned its common names from its unique ability to fold its leaves instantly when touched, brushed, or even when exposed to heat or wind.

What Makes the Shameplant So Special?

The shameplant is a herbaceous forb that can grow as either an annual or perennial, depending on your climate. What sets it apart from other garden plants is its rapid response to stimuli – a behavior called thigmonasty. When you gently touch its delicate, fern-like leaves, they’ll fold up within seconds, earning it the nickname shy plant in many cultures.

Beyond its interactive leaves, the shameplant produces charming pink, fluffy, ball-shaped flowers that attract small pollinators like bees and butterflies. The combination of its responsive foliage and attractive blooms makes it a true conversation starter in any garden setting.

Native Status and Distribution

While the shameplant is native to Puerto Rico and the U.S. Virgin Islands, it’s considered non-native in most other areas where it grows. Originally from Central and South America, this plant has established itself in several U.S. states including Florida, Hawaii, Maryland, and Virginia. It has adapted well to various tropical and subtropical environments.

Should You Grow Shameplant in Your Garden?

The shameplant can be an excellent addition to specific types of gardens, particularly:

  • Children’s gardens, where its interactive nature provides educational value
  • Container gardens on patios or decks
  • Tropical-themed landscapes
  • Indoor houseplant collections

However, since this plant isn’t native to most areas, consider incorporating native alternatives alongside it. Native plants better support local wildlife and ecosystems while requiring less maintenance once established.

Growing Conditions and Care

The shameplant is surprisingly easy to grow and quite forgiving for beginning gardeners. Here’s what it needs to thrive:

Climate Requirements: Hardy in USDA zones 9-11 as a perennial. In cooler zones, grow it as an annual or bring containers indoors during winter.

Light: Prefers full sun to partial shade. Indoors, place near a bright, sunny window.

Soil: Well-draining soil is essential. The plant tolerates various soil types but struggles in waterlogged conditions.

Water: Keep soil consistently moist but not soggy. The shameplant has a facultative upland status, meaning it usually grows in non-wetland areas but can tolerate some moisture.

Planting and Propagation Tips

Starting shameplant is straightforward and rewarding:

  • Grow easily from seeds, which germinate quickly in warm conditions
  • Soak seeds overnight before planting to improve germination rates
  • Start seeds indoors 6-8 weeks before the last frost date
  • Maintain soil temperature around 70-75°F for best results
  • Transplant outdoors after all danger of frost has passed

Be aware that shameplant can self-seed readily in favorable conditions, so deadhead flowers if you want to prevent unwanted spreading.

Wildlife and Pollinator Benefits

While not native to most areas, shameplant does offer some benefits to local wildlife. Its small, pink flowers provide nectar for bees, butterflies, and other small pollinators. However, native plants typically offer more comprehensive support for local ecosystems.

The Bottom Line

The shameplant is a delightful addition to gardens where its novelty factor and educational value are appreciated. It’s particularly wonderful for engaging children with gardening and nature. While it’s not native to most areas, it’s not considered invasive either, making it a reasonable choice for container growing or as part of a diverse garden that also includes native species.

Whether you’re looking to add an interactive element to your garden, seeking a unique houseplant, or wanting to create a living science lesson for young gardeners, the shameplant delivers on all fronts. Just remember to balance non-native additions with native plants that support your local ecosystem – your garden and local wildlife will thank you for it.

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 work and fewer inputs. But the simplicity of this catchphrase conceals how tricky plant selection is. While tags 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. Surprisingly, many popular landscape plants are wetland species! And what may be a wetland plant in one area, in another it might thrive in drier conditions. Also, it helps you make smarter gardening choices and grow healthy plants with less care and feeding, saving you time, frustration, and money while producing an attractive garden with greater ecological benefits.

Regions
Status
Moisture Conditions

Atlantic and Gulf Coastal Plain

FACU

Facultative Upland - Plants with this status usually occurs in non-wetlands but may occur in wetlands

Caribbean

FACU

Facultative Upland - Plants with this status usually occurs in non-wetlands but may occur in wetlands

Eastern Mountains and Piedmont

FACU

Facultative Upland - Plants with this status usually occurs in non-wetlands but may occur in wetlands

Hawaii

FACU

Facultative Upland - Plants with this status usually occurs in non-wetlands but may occur in wetlands

Midwest

FACU

Facultative Upland - Plants with this status usually occurs in non-wetlands but may occur in wetlands

Northcentral & Northeast

FACU

Facultative Upland - Plants with this status usually occurs in non-wetlands but may occur in wetlands

Shameplant

Classification

Group

Dicot

Kingdom

Plantae - Plants

Subkingdom

Tracheobionta - Vascular plants

Superdivision

Spermatophyta - Seed plants

Division

Magnoliophyta - Flowering plants

Subdivision
Class

Magnoliopsida - Dicotyledons

Subclass

Rosidae

Order

Fabales

Family

Fabaceae Lindl. - Pea family

Genus

Mimosa L. - sensitive plant

Species

Mimosa pudica L. - shameplant

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