North America Native Plant

Cyrtandra

Botanical name: Cyrtandra ×conradtii

USDA symbol: CYCO8

Life cycle: perennial

Habit: shrub

Native status: Native to Hawaii  

Cyrtandra: A Rare Hawaiian Native Worth Knowing About If you’ve stumbled across the name Cyrtandra ×conradtii in your plant research, you’ve discovered one of Hawaii’s lesser-known botanical treasures. This native Hawaiian shrub belongs to the fascinating world of cyrtandras – a group of plants that have evolved uniquely in the ...

Cyrtandra: A Rare Hawaiian Native Worth Knowing About

If you’ve stumbled across the name Cyrtandra ×conradtii in your plant research, you’ve discovered one of Hawaii’s lesser-known botanical treasures. This native Hawaiian shrub belongs to the fascinating world of cyrtandras – a group of plants that have evolved uniquely in the Hawaiian Islands over millions of years.

What Makes This Plant Special

Cyrtandra ×conradtii is a perennial shrub that’s as Hawaiian as it gets – this species is found nowhere else on Earth except in the beautiful Hawaiian Islands. As a multi-stemmed woody plant, it typically grows to a manageable size of less than 13 to 16 feet in height, though it can vary depending on growing conditions.

The × in its name indicates this is actually a hybrid species, which makes it even more special and rare in the plant world. Like many Hawaiian natives, it represents the incredible evolutionary story of how plants adapted to island life over countless generations.

Where You’ll Find It

This cyrtandra calls only Hawaii home, making it a true island endemic. Its distribution is limited to the Hawaiian Islands, where it grows as part of the native ecosystem that evolved in isolation from the rest of the world.

The Reality of Growing Cyrtandra ×conradtii

Here’s where things get a bit challenging for most gardeners: this particular cyrtandra is not your typical garden center find. In fact, it’s quite difficult to locate for home cultivation, and there’s limited information available about its specific growing requirements.

What We Do Know About Care

While specific growing information for this hybrid is scarce, we can make some educated guesses based on other Hawaiian cyrtandras:

  • Likely thrives in tropical conditions with high humidity
  • Probably prefers filtered light rather than direct sun
  • Would need protection from cold temperatures (likely zones 10-12 only)
  • May require specialized soil conditions

Should You Try to Grow It?

This is where honesty comes in handy: Cyrtandra ×conradtii is probably not the best choice for most home gardeners. Its rarity, limited availability, and lack of established cultivation practices make it more suitable for:

  • Specialized botanical collections
  • Hawaiian native plant enthusiasts with experience
  • Conservation efforts and botanical gardens
  • Researchers studying Hawaiian flora

Better Alternatives for Your Garden

If you’re drawn to the idea of growing Hawaiian natives or similar tropical shrubs, consider looking for:

  • More commonly available Cyrtandra species with established cultivation practices
  • Other Hawaiian natives that are easier to source and grow
  • Native plants from your own region that support local ecosystems

The Bottom Line

While Cyrtandra ×conradtii is undoubtedly a fascinating piece of Hawaii’s natural heritage, it’s more of a admire from afar plant for most of us. Its rarity and specialized needs make it challenging for typical garden cultivation. If you’re serious about Hawaiian native plants, connect with local botanical gardens, native plant societies, or conservation groups who might have more information about responsible cultivation and sourcing.

Sometimes the most beautiful plants are the ones we appreciate in their natural habitat rather than trying to bring them home to our gardens!

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 ×conradtii Rock (pro sp.) [grayi × hawaiensis] - cyrtandra

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