North America Native Plant

Pond Bogmat

Botanical name: Wolffiella welwitschii

USDA symbol: WOWE

Life cycle: perennial

Habit: forb

Native status: Native to Puerto Rico âš˜ Native to the U.S. Virgin Islands  

Synonyms: Wolffiopsis welwitschii (Hegelm.) Hartog & Plas (WOWE2)   

Pond Bogmat: A Tiny Native Aquatic Gem for Water Gardens Meet the pond bogmat (Wolffiella welwitschii), one of nature’s smallest aquatic performers! This diminutive floating plant might not win any beauty contests, but it plays an important role in Caribbean waterways and can be a valuable addition to the right ...

Pond Bogmat: A Tiny Native Aquatic Gem for Water Gardens

Meet the pond bogmat (Wolffiella welwitschii), one of nature’s smallest aquatic performers! This diminutive floating plant might not win any beauty contests, but it plays an important role in Caribbean waterways and can be a valuable addition to the right kind of garden.

What Exactly Is Pond Bogmat?

Pond bogmat is a perennial aquatic plant that belongs to the duckweed family. As a forb, it’s a non-woody plant that lacks significant woody tissue, but don’t let its simple structure fool you. This tiny floating wonder is perfectly adapted for life on the water’s surface.

You might also encounter this plant under its synonym Wolffiopsis welwitschii, but pond bogmat remains the most commonly used name among water gardeners.

Where Does Pond Bogmat Call Home?

This little native is naturally found in Puerto Rico and the U.S. Virgin Islands, where it thrives in the warm Caribbean climate. Its geographical distribution is quite limited, making it a true regional specialty plant.

Why Consider Pond Bogmat for Your Water Garden?

While pond bogmat won’t provide the dramatic visual impact of water lilies or lotus, it offers several practical benefits:

  • Excellent for naturalizing aquatic environments
  • Helps maintain water quality by absorbing excess nutrients
  • Provides surface coverage that can help control algae growth
  • Perfect for wetland restoration projects
  • Requires minimal maintenance once established

The Right Garden for Pond Bogmat

This isn’t a plant for every garden! Pond bogmat is specifically suited for:

  • Natural ponds and water features
  • Aquatic gardens with year-round water
  • Wetland restoration areas
  • Specialized native plant collections
  • Educational or research aquatic displays

Growing Conditions: Keep It Wet and Warm

As an obligate wetland plant, pond bogmat has very specific needs:

  • Water: Must have permanent standing or slow-moving freshwater
  • Climate: USDA hardiness zones 10-11 only (tropical/subtropical)
  • Light: Full to partial sun
  • Temperature: Warm temperatures year-round

Planting and Care Tips

The good news? Pond bogmat is refreshingly low-maintenance if you can provide the right conditions:

  • In suitable climates, it often establishes naturally in appropriate water bodies
  • Maintain consistent water levels – this plant doesn’t tolerate drought
  • Ensure water temperatures stay warm throughout the year
  • No fertilization needed – it absorbs nutrients directly from the water
  • Reproduces primarily through vegetative budding rather than seeds

Wildlife and Ecosystem Benefits

While specific wildlife benefits aren’t well-documented, pond bogmat likely provides habitat and food sources for aquatic insects and small water-dwelling creatures, contributing to overall ecosystem health in aquatic environments.

Is Pond Bogmat Right for You?

Pond bogmat is definitely a niche plant. Consider it if you:

  • Live in zones 10-11 with year-round warm temperatures
  • Have or plan to create permanent water features
  • Are interested in native Caribbean aquatic plants
  • Want to support local ecosystem restoration
  • Appreciate subtle, naturalistic water garden aesthetics

However, skip pond bogmat if you’re looking for showy flowers, dramatic foliage, or a plant that works in traditional terrestrial gardens. This little floater is all about function over form!

The Bottom Line

Pond bogmat may be small and unassuming, but it’s a genuine native plant that can play a valuable role in the right aquatic setting. If you’re creating naturalistic water features in tropical climates, this tiny Caribbean native deserves consideration. Just remember – it’s all about providing that permanent warm, wet environment it craves!

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

Caribbean

OBL

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

Pond Bogmat

Classification

Group

Monocot

Kingdom

Plantae - Plants

Subkingdom

Tracheobionta - Vascular plants

Superdivision

Spermatophyta - Seed plants

Division

Magnoliophyta - Flowering plants

Subdivision
Class

Liliopsida - Monocotyledons

Subclass

Arecidae

Order

Arales

Family

Lemnaceae Martinov - Duckweed family

Genus

Wolffiella Hegelm. - bogmat

Species

Wolffiella welwitschii (Hegelm.) Monod - pond bogmat

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