North America Native Plant

Baby Jump-up

Botanical name: Mecardonia procumbens

USDA symbol: MEPR2

Life cycle: annual

Habit: forb

Native status: Native to 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  

Synonyms: Mecardonia dianthera Pennell (MEDI3)  âš˜  Mecardonia peduncularis (Benth.) Small (MEPE7)  âš˜  Mecardonia tenuis Small (METE2)  âš˜  Mecardonia vandellioides auct. non (Kunth) Pennell (MEVA)   

Baby Jump-Up: A Charming Native Ground Cover for Wet Areas If you’re looking for a delicate, low-maintenance ground cover that thrives in those tricky wet spots in your garden, baby jump-up (Mecardonia procumbens) might just be the perfect solution. This charming little native plant brings a carpet of tiny white ...

Baby Jump-Up: A Charming Native Ground Cover for Wet Areas

If you’re looking for a delicate, low-maintenance ground cover that thrives in those tricky wet spots in your garden, baby jump-up (Mecardonia procumbens) might just be the perfect solution. This charming little native plant brings a carpet of tiny white flowers to areas where many other plants would struggle to survive.

What is Baby Jump-Up?

Baby jump-up is a native forb – basically a non-woody flowering plant that spreads along the ground rather than growing tall. You might also see it listed under several botanical synonyms, including Mecardonia dianthera, Mecardonia peduncularis, or Mecardonia tenuis, but they’re all referring to this same delightful little plant.

As an annual or perennial (it can behave as either depending on conditions), baby jump-up produces small, snapdragon-like white flowers with bright yellow centers that seem to dance above the foliage. The plant forms a low, spreading mat that rarely grows more than a few inches tall but can spread several feet wide under ideal conditions.

Where Does Baby Jump-Up Grow Naturally?

This versatile native has quite an impressive range! You’ll find baby jump-up growing naturally across the southeastern United States, including Alabama, Florida, Louisiana, and Texas, as well as in southwestern states like Arizona and New Mexico. It’s also native to Puerto Rico and the U.S. Virgin Islands, and has established populations in parts of the Pacific Basin.

Perfect for Wet Spots

Here’s where baby jump-up really shines – it absolutely loves moisture! Depending on your region, this plant is classified as either facultative wetland or obligate wetland, which means:

  • In the Atlantic and Gulf Coastal Plain, it almost always grows in wetlands
  • In other regions like the Arid West, Great Plains, and Caribbean, it usually prefers wet areas but can tolerate some drier conditions

This makes baby jump-up an excellent choice for rain gardens, bog gardens, pond edges, or those perpetually damp areas of your yard where grass won’t grow.

Growing Baby Jump-Up Successfully

Baby jump-up is surprisingly easy to grow if you can meet its basic needs:

Climate Requirements: This plant thrives in USDA hardiness zones 8-11, making it perfect for gardeners in warmer climates.

Light Needs: Baby jump-up performs best in full sun to partial shade. It can handle quite a bit of sun as long as its moisture needs are met.

Soil and Water: The key to success is consistent moisture. This plant loves moist to wet soils and can even tolerate periodic flooding. If you have a spot that stays soggy after rain, baby jump-up will likely love it there.

Maintenance: Once established, baby jump-up requires very little care. It can spread readily under ideal conditions, so you may want to keep an eye on it in smaller gardens.

Garden Design Ideas

Baby jump-up works beautifully in several landscape situations:

  • Wetland Gardens: Perfect for creating naturalized wet areas that support local ecosystems
  • Rain Gardens: Helps manage stormwater while providing habitat
  • Pond Edges: Creates a soft, natural transition between water and land
  • Ground Cover: Fills in difficult wet areas where other plants struggle

Benefits for Wildlife

As a native plant, baby jump-up supports local pollinators, particularly small native bees and flies that are attracted to its tiny flowers. By choosing native plants like this one, you’re helping to support the intricate web of relationships between plants and wildlife that have developed over thousands of years.

Should You Plant Baby Jump-Up?

Baby jump-up can be an excellent choice if you have the right conditions – namely, consistently moist soil and a climate within zones 8-11. It’s particularly valuable for gardeners looking to create habitat for native wildlife or manage wet areas naturally.

However, before planting, consider checking with your local native plant society or extension office to ensure you’re choosing the most appropriate native options for your specific area. While baby jump-up has a wide natural range, there may be other local natives that would be even more beneficial for your specific ecosystem.

If you do decide to grow baby jump-up, you’ll be rewarded with a charming, low-maintenance ground cover that brings both beauty and ecological benefits to those challenging wet spots in your garden.

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

Arid West

FACW

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

Atlantic and Gulf Coastal Plain

OBL

Obligate Wetland - Plants with this status almost always occurs in wetlands

Caribbean

FACW

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

Great Plains

FACW

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

Hawaii

FACW

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

Baby Jump-up

Classification

Group

Dicot

Kingdom

Plantae - Plants

Subkingdom

Tracheobionta - Vascular plants

Superdivision

Spermatophyta - Seed plants

Division

Magnoliophyta - Flowering plants

Subdivision
Class

Magnoliopsida - Dicotyledons

Subclass

Asteridae

Order

Scrophulariales

Family

Scrophulariaceae Juss. - Figwort family

Genus

Mecardonia Ruiz & Pav. - mecardonia

Species

Mecardonia procumbens (Mill.) Small - baby jump-up

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