North America Native Plant

Cyrtandra

Botanical name: Cyrtandra ×caulescens

USDA symbol: CYCA13

Life cycle: perennial

Habit: shrub

Native status: Native to Hawaii  

Growing Cyrtandra: Hawaii’s Native Shrub for Your Garden If you’re looking to add a touch of authentic Hawaiian flora to your landscape, cyrtandra (Cyrtandra ×caulescens) might just be the native shrub you’ve been searching for. This perennial beauty represents the unique botanical heritage of the Hawaiian Islands, though as with ...

Growing Cyrtandra: Hawaii’s Native Shrub for Your Garden

If you’re looking to add a touch of authentic Hawaiian flora to your landscape, cyrtandra (Cyrtandra ×caulescens) might just be the native shrub you’ve been searching for. This perennial beauty represents the unique botanical heritage of the Hawaiian Islands, though as with many native Hawaiian plants, detailed growing information can be as elusive as a rainbow over Haleakalā.

What Makes Cyrtandra Special?

Cyrtandra ×caulescens is a native Hawaiian shrub that belongs to the fascinating world of island flora. The × in its name tells us this is actually a natural hybrid – nature’s own creative mixing of two Cyrtandra species. As a perennial, multi-stemmed woody plant, this shrub typically stays manageable in size, usually reaching less than 13 to 16 feet in height, making it perfect for residential landscapes.

Where Does Cyrtandra Call Home?

This native beauty is exclusively found in Hawaii, where it has evolved alongside the islands’ unique ecosystem for countless generations. When you plant cyrtandra, you’re essentially bringing a piece of authentic Hawaiian natural history into your own backyard.

The Challenge (And Charm) of Growing Cyrtandra

Here’s where things get a bit mysterious – and honestly, that’s part of cyrtandra’s charm! Like many native Hawaiian plants, specific growing information for Cyrtandra ×caulescens is limited. This isn’t necessarily a bad thing; it just means you’ll be joining a select group of gardeners who appreciate the adventure of working with lesser-known native species.

What We Know About Growing This Hawaiian Native

While detailed care instructions are scarce, we can share what we do know:

  • Growth habit: Expect a shrub with multiple stems arising from near the ground
  • Size: Typically stays under 13-16 feet, making it suitable for most garden spaces
  • Longevity: As a perennial, it’s in it for the long haul once established
  • Native status: 100% Hawaiian native – you’re supporting local ecosystems

Should You Plant Cyrtandra?

If you’re gardening in Hawaii and want to support native plant communities, cyrtandra could be a wonderful addition to your landscape. Native plants like this one are naturally adapted to local conditions and can provide important habitat for native wildlife, even if the specific details aren’t well-documented for this particular hybrid.

However, the limited availability of growing information means you’ll need to be prepared for some trial and error. Think of it as botanical detective work – you’ll be learning alongside your plant!

The Responsible Approach

If you decide to grow cyrtandra, make sure you source your plants responsibly from reputable native plant nurseries. This ensures you’re getting authentic genetic material and supporting conservation efforts.

Since specific care requirements aren’t well-documented, consider connecting with local native plant societies or botanical gardens in Hawaii. They often have the most current knowledge about growing native species successfully.

The Bottom Line

Cyrtandra ×caulescens offers the opportunity to grow a truly unique piece of Hawaiian natural heritage. While it may not come with a detailed care manual, it rewards adventurous gardeners who appreciate native plants and don’t mind learning as they go. For Hawaiian gardeners especially, supporting native species like cyrtandra is one of the best ways to create landscapes that truly belong to their place.

Just remember – growing native plants is often as much about patience and observation as it is about following instructions. Sometimes the best gardening adventures begin with a little mystery!

Cyrtandra

Classification

Group

Dicot

Kingdom

Plantae - Plants

Subkingdom

Tracheobionta - Vascular plants

Superdivision

Spermatophyta - Seed plants

Division

Magnoliophyta - Flowering plants

Subdivision
Class

Magnoliopsida - Dicotyledons

Subclass

Asteridae

Order

Scrophulariales

Family

Gesneriaceae Rich. & Juss. - Gesneriad family

Genus

Cyrtandra J.R. Forst. & G. Forst. - cyrtandra

Species

Cyrtandra ×caulescens Rock (pro sp.) [platyphylla × spathulata] - cyrtandra

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