North America Native Plant

Limewater Brookweed

Botanical name: Samolus ebracteatus

USDA symbol: SAEB2

Life cycle: perennial

Habit: forb

Native status: Native to the lower 48 states  

Limewater Brookweed: A Hidden Gem for Water Gardens If you’re looking for a native plant that thrives in those tricky wet spots in your garden, let me introduce you to limewater brookweed (Samolus ebracteatus). This unassuming little perennial might not win any flashy flower contests, but it’s got some serious ...

Limewater Brookweed: A Hidden Gem for Water Gardens

If you’re looking for a native plant that thrives in those tricky wet spots in your garden, let me introduce you to limewater brookweed (Samolus ebracteatus). This unassuming little perennial might not win any flashy flower contests, but it’s got some serious credentials when it comes to solving soggy soil problems while supporting local ecosystems.

What Is Limewater Brookweed?

Limewater brookweed is a native perennial forb – basically a soft-stemmed herbaceous plant that comes back year after year. Unlike woody shrubs or trees, this plant stays relatively low to the ground and produces delicate white flowers that dance above its foliage from spring through fall. It’s the kind of plant that quietly does its job without demanding too much attention, making it perfect for naturalized settings.

Where Does It Call Home?

This native beauty has made itself at home across a surprising range of the American landscape. You’ll find wild populations thriving in Florida, Kansas, Louisiana, Nevada, New Mexico, Oklahoma, and Texas. That’s quite a geographic spread, showing just how adaptable this little plant can be!

Why Your Garden Might Love Limewater Brookweed

Here’s where things get interesting – limewater brookweed is like that friend who’s perfectly happy with whatever restaurant you choose, as long as there’s plenty to drink. This plant has different wetland preferences depending on where you live:

  • In the Atlantic and Gulf Coastal Plains, it’s an obligate wetland plant (translation: it almost always needs wet feet)
  • In the Arid West, Great Plains, and Western Mountains, it’s more flexible, usually preferring wet conditions but tolerating some drier spells

The small white flowers might seem modest, but they’re surprisingly attractive to pollinators, especially smaller bees and flies who appreciate the accessible nectar source. Plus, as a native plant, it’s already adapted to work with your local ecosystem rather than against it.

Perfect Garden Spots for Limewater Brookweed

This plant is practically begging to be included in:

  • Rain gardens and bioswales
  • Pond margins and water garden edges
  • Bog gardens and wetland restoration projects
  • Native plant gardens in consistently moist areas
  • Natural areas where you want low-maintenance ground cover

Growing Conditions That Make It Happy

Limewater brookweed thrives in USDA hardiness zones 7-10, so if you’re in its native range, you’re in luck! Here’s what it’s looking for:

  • Moisture: Consistently moist to wet soil is key – think of it as the plant equivalent of someone who always carries a water bottle
  • Light: Full sun to partial shade works well
  • Soil: Prefers neutral to slightly alkaline soils
  • Maintenance: Wonderfully low-maintenance once established in the right conditions

Planting and Care Tips

The good news? Limewater brookweed is pretty easygoing once you understand its needs. Plant it in spring when the soil is workable, making sure you can provide consistent moisture. If you’re creating a rain garden or bog area, this plant will reward your efforts by establishing quickly and spreading naturally.

The key to success is remembering that this plant evolved in wetlands – fighting its nature by planting it in dry conditions is like asking a fish to climb a tree. But give it the moist conditions it craves, and you’ll have a reliable, native ground cover that supports local wildlife while requiring minimal intervention from you.

Should You Plant Limewater Brookweed?

If you live within its native range and have areas in your garden that stay consistently moist, limewater brookweed could be exactly what you’re looking for. It’s particularly valuable for gardeners interested in native plant landscaping, water-wise gardening (in the sense of managing excess water), and creating habitat for local pollinators.

Just remember – this isn’t the plant for dry, well-drained garden beds. But for those challenging wet spots where many plants struggle, limewater brookweed might just become your new best friend.

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

Great Plains

FACW

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

Western Mountains, Valleys, and Coast

FACW

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

Limewater Brookweed

Classification

Group

Dicot

Kingdom

Plantae - Plants

Subkingdom

Tracheobionta - Vascular plants

Superdivision

Spermatophyta - Seed plants

Division

Magnoliophyta - Flowering plants

Subdivision
Class

Magnoliopsida - Dicotyledons

Subclass

Dilleniidae

Order

Primulales

Family

Primulaceae Batsch - Primrose family

Genus

Samolus L. - brookweed

Species

Samolus ebracteatus Kunth - limewater brookweed

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