North America Native Plant

Cyrtandra

Botanical name: Cyrtandra ×pubens

USDA symbol: CYPU5

Life cycle: perennial

Habit: shrub

Native status: Native to Hawaii  

Growing Cyrtandra: A Native Hawaiian Shrub for Your Garden If you’re looking to add authentic Hawaiian native plants to your landscape, Cyrtandra ×pubens (commonly known as cyrtandra) might just be the perfect shrub for your garden. This perennial woody plant brings a touch of the islands’ natural beauty right to ...

Growing Cyrtandra: A Native Hawaiian Shrub for Your Garden

If you’re looking to add authentic Hawaiian native plants to your landscape, Cyrtandra ×pubens (commonly known as cyrtandra) might just be the perfect shrub for your garden. This perennial woody plant brings a touch of the islands’ natural beauty right to your backyard, though like many native Hawaiian species, it comes with its own unique growing requirements and characteristics.

What Makes Cyrtandra Special

Cyrtandra ×pubens is a native Hawaiian shrub that typically grows as a multi-stemmed woody plant. Most specimens stay relatively compact at under 13 to 16 feet in height, making them manageable for home landscapes. The × in its scientific name tells us this is actually a hybrid species, which can make it particularly interesting for native plant enthusiasts who appreciate botanical diversity.

As a perennial shrub, cyrtandra offers year-round structure to your garden. It usually develops several stems from or near ground level, creating a full, bushy appearance that works well as a specimen plant or as part of a native plant grouping.

Where Cyrtandra Grows Naturally

This shrub is endemic to Hawaii, meaning you won’t find it growing wild anywhere else in the world. It’s adapted specifically to Hawaiian growing conditions and represents an important part of the islands’ unique ecosystem.

Why Choose This Native Hawaiian Plant

Planting native species like Cyrtandra ×pubens offers several advantages:

  • Supports local ecosystems and biodiversity
  • Generally requires less water and maintenance once established
  • Provides authentic Hawaiian landscape character
  • Connects your garden to the natural heritage of the islands

Growing Cyrtandra Successfully

While specific growing information for this particular hybrid can be challenging to find, native Hawaiian plants typically thrive in conditions that mimic their natural habitat. Here are some general guidelines for success:

Climate Considerations: Since this is a Hawaiian native, cyrtandra will do best in tropical or subtropical climates. If you’re gardening outside of Hawaii, you’ll want to ensure you can provide similar warm, humid conditions.

Garden Placement: Most Hawaiian native shrubs appreciate some protection from harsh winds and intense direct sunlight. Consider placing your cyrtandra where it can receive morning sun but some afternoon shade.

Soil and Water: Well-draining soil is typically essential for Hawaiian natives, as they’re adapted to volcanic soils that don’t stay waterlogged. However, they still need consistent moisture during establishment.

What to Expect

As with many native Hawaiian plants, Cyrtandra ×pubens may grow more slowly than common landscape shrubs, but this patience often pays off with a more resilient, long-lived plant. The exact appearance, flowering characteristics, and mature size can vary since this is a hybrid species.

A Word of Caution for Mainland Gardeners

If you’re gardening outside of Hawaii, sourcing this plant may be challenging, and you’ll need to ensure your local climate can support it. Consider consulting with local native plant societies or botanical gardens that specialize in Hawaiian flora.

For mainland gardeners interested in native alternatives, look into native shrubs from your own region that offer similar benefits to local wildlife and ecosystems.

The Bottom Line

Cyrtandra ×pubens represents the unique botanical heritage of Hawaii. While information specific to this hybrid may be limited, its status as a native Hawaiian plant makes it a valuable addition to appropriate landscapes. If you’re in Hawaii or can provide suitable tropical conditions, this shrub offers an opportunity to support native biodiversity while adding authentic island character to your garden.

Just remember that growing native plants often requires patience and attention to their specific needs, but the reward is a garden that truly reflects and supports the natural environment around you.

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 ×pubens H. St. John (pro sp.) [cordifolia × kalihii] - cyrtandra

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