North America Native Plant

Cyrtandra

Botanical name: Cyrtandra nanawalensis

USDA symbol: CYNA4

Life cycle: perennial

Habit: shrub

Native status: Native to Hawaii  

Growing Cyrtandra: Hawaii’s Beautiful Native Shrub If you’re looking to add some authentic Hawaiian charm to your tropical garden, meet cyrtandra (Cyrtandra nanawalensis) – a delightful native shrub that’s been quietly beautifying Hawaii’s landscapes long before any of us arrived on the scene. This perennial beauty is one of those ...

Growing Cyrtandra: Hawaii’s Beautiful Native Shrub

If you’re looking to add some authentic Hawaiian charm to your tropical garden, meet cyrtandra (Cyrtandra nanawalensis) – a delightful native shrub that’s been quietly beautifying Hawaii’s landscapes long before any of us arrived on the scene. This perennial beauty is one of those plants that makes you wonder why more people don’t know about it!

What Makes Cyrtandra Special?

Cyrtandra nanawalensis is a true Hawaiian native, meaning it evolved right here in the islands and plays an important role in local ecosystems. As a multi-stemmed shrub, it typically grows to a manageable 13-16 feet tall, though it often stays much smaller in garden settings. Think of it as nature’s way of providing the perfect understory plant – not too big, not too small, but just right for filling those tricky shaded spots in your landscape.

Where Does It Grow?

This lovely shrub calls Hawaii home and only Hawaii. You’ll find it naturally growing on several Hawaiian islands, where it has adapted perfectly to the unique tropical climate and conditions. It’s what we call an endemic species – basically, it’s as Hawaiian as you can get!

Why You Might Want to Plant Cyrtandra

Here are some compelling reasons to consider adding this native beauty to your garden:

  • It’s perfectly adapted to Hawaiian growing conditions
  • Supports native wildlife and pollinators
  • Produces charming small white to pale pink tubular flowers
  • Excellent for naturalistic, low-maintenance landscapes
  • Helps preserve Hawaii’s native plant heritage
  • Thrives in shaded areas where other plants struggle

Garden Design Ideas

Cyrtandra works beautifully as an understory shrub in tropical and native Hawaiian garden designs. It’s particularly well-suited for:

  • Shade gardens under larger trees
  • Native Hawaiian plant collections
  • Naturalistic landscapes
  • Areas that need year-round greenery with seasonal flowers

Growing Conditions and Care

The good news is that cyrtandra isn’t particularly fussy – it just wants what most Hawaiian natives prefer. Here’s what it needs to thrive:

Light: Partial shade to full shade. This plant actually prefers some protection from intense sunlight.

Soil: Well-draining but consistently moist soil with plenty of organic matter. Think rich, forest-floor type conditions.

Water: Regular watering is important, especially during dry periods. It likes consistent moisture but not waterlogged conditions.

Climate: USDA hardiness zones 10-12. This is definitely a tropical plant that needs warm temperatures year-round.

Planting and Care Tips

Ready to give cyrtandra a try? Here’s how to set it up for success:

  • Plant in a protected spot away from strong winds
  • Amend soil with plenty of compost or organic matter
  • Mulch around the base to retain moisture
  • Water regularly, especially during establishment
  • Provide some humidity if possible – it loves that tropical moisture
  • Be patient – native plants often take time to establish but are worth the wait

Supporting Native Ecosystems

By choosing cyrtandra, you’re doing more than just adding a pretty plant to your garden. You’re supporting Hawaii’s native ecosystems and providing habitat for native pollinators and wildlife. The flowers attract various Hawaiian insects, and the plant provides shelter and food sources for local fauna.

Is Cyrtandra Right for Your Garden?

Cyrtandra nanawalensis is perfect for gardeners who want to embrace Hawaii’s natural heritage while creating a beautiful, low-maintenance landscape. It’s especially ideal if you have shaded areas that need some life, or if you’re passionate about native plants and supporting local ecosystems.

Just remember that this is a tropical plant through and through – if you’re gardening outside of zones 10-12, cyrtandra probably isn’t the right choice for your climate. But for Hawaiian gardeners or those in similar tropical climates, it’s a wonderful way to bring authentic island beauty to your landscape while supporting native wildlife.

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 nanawalensis H. St. John - cyrtandra

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