North America Native Plant

Didiplis

Botanical name: Didiplis

USDA symbol: DIDIP

Life cycle: annual

Habit: forb

Native status: Native to the lower 48 states  

Didiplis: A Tiny Native Gem for Your Water Garden If you’re looking to add some delicate charm to your pond edge or bog garden, let me introduce you to didiplis – a sweet little native plant that’s perfect for those tricky wet spots in your landscape. This unassuming annual might ...

Didiplis: A Tiny Native Gem for Your Water Garden

If you’re looking to add some delicate charm to your pond edge or bog garden, let me introduce you to didiplis – a sweet little native plant that’s perfect for those tricky wet spots in your landscape. This unassuming annual might not win any awards for showiness, but it’s got plenty of quiet appeal for gardeners who appreciate understated beauty.

What Exactly Is Didiplis?

Didiplis is a native annual forb, which is just a fancy way of saying it’s a soft-stemmed herbaceous plant that completes its life cycle in one year. Unlike woody shrubs or trees, this little guy stays tender and green throughout its growing season, making it a gentle addition to any water feature.

You might hear it called by its common name didiplis or sometimes water purslane, though it shouldn’t be confused with regular garden purslane. This is a plant that’s all about the water life!

Where Does Didiplis Call Home?

This charming native has quite an impressive range across the lower 48 states. You’ll find didiplis naturally growing in Alabama, Arkansas, Florida, Georgia, Illinois, Indiana, Iowa, Kansas, Kentucky, Louisiana, Minnesota, Mississippi, Missouri, North Carolina, Oklahoma, South Carolina, Tennessee, Texas, Utah, Virginia, and Wisconsin. That’s a lot of territory for such a small plant!

Why You Might Want to Grow Didiplis

Here’s what makes didiplis special in the garden:

  • Native credentials – Supporting local ecosystems is always a win
  • Perfect for problem spots – Those constantly soggy areas where other plants struggle
  • Delicate beauty – Small white flowers and tiny leaves create subtle texture
  • Wildlife friendly – Small pollinators appreciate the tiny blooms
  • Low maintenance – Once established in the right conditions, it pretty much takes care of itself

Where Didiplis Shines in Your Landscape

This little water-lover is ideal for:

  • Pond margins and water garden edges
  • Bog gardens and rain gardens
  • Naturalized wetland areas
  • Any consistently moist to wet garden spots
  • Containers that can stay consistently damp

Think of didiplis as nature’s way of softening the harsh edges where water meets land. It’s particularly lovely when allowed to naturalize in larger moisture-loving plantings.

Growing Didiplis Successfully

The secret to happy didiplis is simple: keep it wet! This plant thrives in USDA hardiness zones 6-9, but remember, as an annual, you’ll need to replant each year or let it self-seed.

Light requirements: Partial sun to full sun work well, though it can handle some shade if the moisture levels are right.

Soil needs: Constantly moist to wet soils are essential. Think muddy pond edges or shallow standing water – that’s didiplis heaven!

Planting tips: Since this is an annual, you can start from seed in spring once the soil warms up. Scatter seeds in your desired wet area and keep them consistently moist during germination.

A Few Things to Keep in Mind

While didiplis is lovely, it’s definitely not a plant for dry gardens or low-maintenance landscapes. This is a commitment to consistent moisture, so make sure you’re ready for that level of attention to watering – unless you’re planting near a natural water source.

Also, because it’s an annual, you’ll need to plan for replanting or allow for natural reseeding if you want it to return each year.

The Bottom Line on Didiplis

If you have wet, boggy areas in your landscape or you’re creating a water garden, didiplis deserves a spot on your plant list. It’s a gentle, native addition that supports local pollinators while adding delicate texture to moisture-loving plant communities. Just remember – this little plant’s motto is keep me wet, and I’ll keep you happy!

Didiplis

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

Myrtales

Family

Lythraceae J. St.-Hil. - Loosestrife family

Genus

Didiplis Raf. - didiplis

Species

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