North America Native Plant

Walker’s Necklace Fern

Botanical name: Lindsaea walkerae

USDA symbol: LIWA5

Life cycle: perennial

Habit: forb

Native status: Native to Pacific Basin excluding Hawaii  

Synonyms: Schizolegnia walkerae (Hook.) Alston (SCWA2)   

Walker’s Necklace Fern: A Delicate Pacific Island Native for Your Shade Garden If you’re looking to add some tropical elegance to your shade garden, Walker’s necklace fern might just be the perfect addition. This charming little fern, scientifically known as Lindsaea walkerae, gets its common name from the distinctive way ...

Walker’s Necklace Fern: A Delicate Pacific Island Native for Your Shade Garden

If you’re looking to add some tropical elegance to your shade garden, Walker’s necklace fern might just be the perfect addition. This charming little fern, scientifically known as Lindsaea walkerae, gets its common name from the distinctive way its delicate leaflets are arranged along the frond—like tiny beads on a necklace.

Where Does Walker’s Necklace Fern Come From?

This lovely fern is native to the Pacific Basin, specifically found growing naturally in Guam and Palau. As a true Pacific Islander, it’s perfectly adapted to the warm, humid conditions of tropical and subtropical regions. If you’re gardening in these areas, you’re giving this native plant the chance to thrive in conditions it has evolved to love.

What Makes This Fern Special?

Walker’s necklace fern is a perennial that brings a touch of delicate beauty to any garden space. Unlike woody plants, this fern is classified as a forb—a non-woody vascular plant that keeps its growing points at or below ground level. The result? A graceful, low-growing plant that adds texture and movement to your landscape without overwhelming other plants.

The fern’s aesthetic appeal lies in its intricate, lacy fronds and the unique arrangement of its leaflets. It’s the kind of plant that makes visitors lean in for a closer look, appreciating the intricate details that nature has crafted.

Is Walker’s Necklace Fern Right for Your Garden?

This fern is ideal if you’re creating:

  • Tropical or subtropical shade gardens
  • Naturalistic landscapes that celebrate native plants
  • Understory plantings beneath larger trees or shrubs
  • Specialized fern collections
  • Ground cover in humid, shaded areas

However, this isn’t the fern for every garden. Walker’s necklace fern thrives in USDA hardiness zones 10-12, so if you’re gardening in cooler climates, it won’t survive outdoors year-round. You might be able to grow it as a houseplant or in a greenhouse, but it really shines when planted in its preferred outdoor tropical conditions.

Growing Walker’s Necklace Fern Successfully

Like most tropical ferns, Walker’s necklace fern has some specific preferences that will determine your success:

  • Light conditions: Bright, indirect light or dappled shade—avoid direct sunlight
  • Moisture: Consistent moisture without waterlogging; well-draining soil is essential
  • Humidity: High humidity levels (think tropical rainforest conditions)
  • Temperature: Warm temperatures year-round, typically above 60°F
  • Soil: Rich, organic matter with good drainage

Planting and Care Tips

Getting your Walker’s necklace fern established is fairly straightforward if you can provide the right conditions:

  • Plant in a location that receives morning light but is protected from harsh afternoon sun
  • Ensure the planting area has excellent drainage while retaining some moisture
  • Mulch around the plant to help maintain consistent soil moisture and suppress weeds
  • Water regularly during dry periods, but allow the soil surface to dry slightly between waterings
  • In areas with low humidity, consider grouping with other moisture-loving plants to create a microclimate

Wildlife and Pollinator Considerations

As a fern, Walker’s necklace fern doesn’t produce flowers, so it won’t directly attract pollinators like bees and butterflies. However, it does contribute to the overall ecosystem health of your garden by providing habitat structure and supporting the complex web of life that makes a garden truly thrive.

The Bottom Line

Walker’s necklace fern is a wonderful choice for gardeners in tropical and subtropical climates who want to incorporate native plants into their landscapes. Its delicate beauty and relatively easy care requirements make it an excellent addition to shade gardens and naturalistic plantings. Just remember—this is definitely a warm-climate plant, so make sure your garden can provide the tropical conditions it craves.

If you’re in the right climate zone and have a shady spot that could use some tropical flair, Walker’s necklace fern might be exactly what your garden is missing. After all, there’s something quite special about growing a plant that’s perfectly at home in the Pacific islands—it brings a little bit of that tropical paradise right to your backyard.

Walker’s Necklace Fern

Classification

Group

Fern

Kingdom

Plantae - Plants

Subkingdom

Tracheobionta - Vascular plants

Superdivision
Division

Pteridophyta - Ferns

Subdivision
Class

Filicopsida

Subclass
Order

Polypodiales

Family

Dennstaedtiaceae Lotsy - Bracken Fern family

Genus

Lindsaea Dryand. ex Sm. - necklace fern

Species

Lindsaea walkerae Hook. - Walker's necklace fern

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