North America Native Plant

Dotleaf Waterlily

Botanical name: Nymphaea ampla var. ampla

USDA symbol: NYAMA

Life cycle: perennial

Habit: forb

Native status: Native to the lower 48 states âš˜ Native to Puerto Rico âš˜ Native to the U.S. Virgin Islands  

Synonyms: Castalia ampla Salisb. (CAAM22)   

Dotleaf Waterlily: A Native Aquatic Beauty for Your Water Garden If you’ve ever dreamed of transforming your backyard pond into a slice of natural paradise, meet your new best friend: the dotleaf waterlily (Nymphaea ampla var. ampla). This stunning native aquatic perennial brings both beauty and ecological value to water ...

Dotleaf Waterlily: A Native Aquatic Beauty for Your Water Garden

If you’ve ever dreamed of transforming your backyard pond into a slice of natural paradise, meet your new best friend: the dotleaf waterlily (Nymphaea ampla var. ampla). This stunning native aquatic perennial brings both beauty and ecological value to water features across the southeastern United States.

What Makes the Dotleaf Waterlily Special?

The dotleaf waterlily is a true American native, naturally occurring in Florida, Texas, Puerto Rico, and the U.S. Virgin Islands. As a perennial forb, this herbaceous beauty lacks woody stems but makes up for it with spectacular blooms and lush foliage that returns year after year.

Also known by its synonym Castalia ampla, this waterlily creates a classic pond scene with its large, heart-shaped floating leaves and pristine white flowers that open during daylight hours. The blooms are absolutely show-stopping – large, fragrant, and irresistibly photogenic.

Why Choose Native Dotleaf Waterlily?

There are plenty of reasons to fall in love with this native aquatic gem:

  • Pollinator magnet: The flowers attract bees, flies, and beetles, providing crucial nectar sources for local wildlife
  • Low maintenance: Once established, these hardy perennials require minimal care
  • Natural beauty: Creates an authentic, naturalistic look in water gardens and pond landscapes
  • Wildlife habitat: Provides shelter and breeding areas for aquatic creatures
  • Native advantage: Perfectly adapted to local climate conditions

Perfect Growing Conditions

Dotleaf waterlilies thrive in USDA hardiness zones 8-11, making them ideal for warmer climates. Here’s what they need to flourish:

  • Sunlight: Full sun (6+ hours daily) for best flowering
  • Water depth: Plant rhizomes 1-3 feet below the surface
  • Water type: Still or slow-moving freshwater
  • Soil: Nutrient-rich aquatic planting medium

Planting and Care Tips

Growing dotleaf waterlilies is easier than you might think! Follow these simple steps for success:

  • Plant rhizomes in heavy clay soil or aquatic planting medium in containers
  • Submerge containers at the proper depth – leaves should float on the surface
  • Fertilize monthly during the growing season with aquatic plant fertilizer
  • Remove spent flowers and yellowing leaves regularly
  • In colder zones, move containers to deeper water or indoors for winter protection

Garden Design Ideas

The dotleaf waterlily works beautifully as a centerpiece in various water garden styles:

  • Formal pond gardens: Provides elegant focal points with structured plantings
  • Natural bog gardens: Creates authentic wetland habitats
  • Wildlife ponds: Essential for supporting local ecosystems
  • Container water gardens: Perfect for smaller spaces and patios

A Word About Responsible Gardening

As a native species, the dotleaf waterlily is an excellent choice for environmentally conscious gardeners. By choosing native plants, you’re supporting local wildlife, reducing maintenance needs, and creating sustainable landscapes that work with nature rather than against it.

Whether you’re designing a grand estate pond or a simple container water garden, the dotleaf waterlily offers timeless beauty, ecological benefits, and the satisfaction of growing a true native treasure. Your local pollinators – and your Instagram followers – will thank you!

Dotleaf Waterlily

Classification

Group

Dicot

Kingdom

Plantae - Plants

Subkingdom

Tracheobionta - Vascular plants

Superdivision

Spermatophyta - Seed plants

Division

Magnoliophyta - Flowering plants

Subdivision
Class

Magnoliopsida - Dicotyledons

Subclass

Magnoliidae

Order

Nymphaeales

Family

Nymphaeaceae Salisb. - Water-lily family

Genus

Nymphaea L. - waterlily

Species

Nymphaea ampla (Salisb.) DC. - dotleaf waterlily

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