North America Native Plant

Rockface Yellow Loosestrife

Botanical name: Lysimachia remyi remyi

USDA symbol: LYRER

Life cycle: perennial

Habit: shrub

Native status: Native to Hawaii  

Synonyms: Lysimachiopsis angustifolia (A. Gray) O. Deg. & I. Deg. (LYAN7)  âš˜  Lysimachia ciliolata H. St. John (LYCI2)  âš˜  Lysimachia elliptica H. St. John (LYEL)  âš˜  Lysimachia hillebrandii Hook. f. ex A. Gray var. angustifolia A. Gray (LYHIA)  âš˜  Lysimachia lata H. St. John (LYLA9)  âš˜  Lysimachia occidentalis H. St. John (LYOC)  âš˜  Lysimachia pedicellata H. St. John (LYPE2)  âš˜  Lysimachia pilosula H. St. John (LYPI4)  âš˜  Lysimachia scansoria H. St. John (LYSC)  âš˜  Lysimachia stene H. St. John (LYST)   

Rockface Yellow Loosestrife: A Native Hawaiian Gem for Your Garden If you’re looking to add authentic Hawaiian character to your landscape, rockface yellow loosestrife (Lysimachia remyi remyi) might just be the native treasure you’ve been searching for. This lesser-known perennial shrub brings a touch of the islands’ natural beauty right ...

Rockface Yellow Loosestrife: A Native Hawaiian Gem for Your Garden

If you’re looking to add authentic Hawaiian character to your landscape, rockface yellow loosestrife (Lysimachia remyi remyi) might just be the native treasure you’ve been searching for. This lesser-known perennial shrub brings a touch of the islands’ natural beauty right to your backyard, though it definitely falls into the hidden gem category of native plants.

What Makes Rockface Yellow Loosestrife Special?

Rockface yellow loosestrife is a true Hawaiian native, meaning it evolved naturally in the islands long before human arrival. As its common name suggests, this hardy plant has adapted to thrive in rocky, challenging conditions that would make other plants throw in the towel. It’s a perennial shrub that typically grows as a multi-stemmed woody plant, usually staying under 13-16 feet in height, though it can occasionally stretch taller or develop a single stem depending on growing conditions.

Where You’ll Find It Growing Wild

This plant calls Hawaii home and can be found growing throughout the Hawaiian islands. In its natural habitat, you’ll spot it clinging to rocky cliffsides and slopes, showing off its impressive ability to thrive where many plants simply can’t survive.

Why Consider Rockface Yellow Loosestrife for Your Garden?

Here are some compelling reasons to give this native plant a spot in your landscape:

  • Authentic Hawaiian heritage: You’re planting a piece of true Hawaiian natural history
  • Tough as nails: If it can handle rocky cliffsides, it can probably handle your garden challenges
  • Low maintenance potential: Native plants typically require less fussing once established
  • Supports local ecosystems: Native plants provide the best support for local wildlife and pollinators
  • Unique conversation starter: Not everyone has rockface yellow loosestrife in their garden!

The Reality Check: Growing Information is Limited

Here’s where we need to be honest with you – detailed cultivation information for Lysimachia remyi remyi is quite scarce. This isn’t unusual for Hawaiian native plants, many of which haven’t been extensively studied for home garden use. What we do know is that it’s adapted to rocky, well-draining conditions and Hawaii’s tropical climate.

Best Guess Growing Tips

Based on its natural habitat and what we know about similar plants, here’s our best advice for growing rockface yellow loosestrife:

  • Drainage is key: Ensure excellent drainage – think rocky, gravelly soil
  • Sunny to partially sunny spots: Most cliff-dwelling plants appreciate good light
  • Don’t overwater: Once established, it should handle dry periods well
  • Protect from strong winds: While tough, young plants may need wind protection initially

The Bottom Line

Rockface yellow loosestrife represents an opportunity to grow something truly special and authentically Hawaiian. While we’d love to give you a complete growing guide, the limited cultivation information means you’d be somewhat pioneering if you choose to grow this plant. If you’re up for the adventure and can source it responsibly, it could be a wonderful addition to a native Hawaiian landscape or rock garden.

Consider reaching out to local Hawaiian native plant societies, botanical gardens, or extension services for more specific growing advice and potential sources for this unique native plant. Sometimes the best gardening adventures come from growing the plants that everyone else hasn’t figured out yet!

Rockface Yellow Loosestrife

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

Lysimachia L. - yellow loosestrife

Species

Lysimachia remyi Hillebr. - rockface yellow loosestrife

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