North America Native Plant

Cyrtandra

Botanical name: Cyrtandra ×hillebrandii

USDA symbol: CYHI6

Life cycle: perennial

Habit: shrub

Native status: Native to Hawaii  

Synonyms: Cyrtandra grossecrenata H. St. John & Storey (CYGR7)  âš˜  Cyrtandra oliveri Rock (CYOL4)   

Growing Cyrtandra: Hawaii’s Beautiful Native Shrub If you’re lucky enough to garden in Hawaii or another tropical paradise, you might want to get acquainted with cyrtandra (Cyrtandra ×hillebrandii). This charming native Hawaiian shrub brings a touch of the islands’ natural beauty right to your backyard, and trust me, your garden ...

Growing Cyrtandra: Hawaii’s Beautiful Native Shrub

If you’re lucky enough to garden in Hawaii or another tropical paradise, you might want to get acquainted with cyrtandra (Cyrtandra ×hillebrandii). This charming native Hawaiian shrub brings a touch of the islands’ natural beauty right to your backyard, and trust me, your garden will thank you for it!

What Makes Cyrtandra Special?

Cyrtandra ×hillebrandii is a delightful hybrid that’s as Hawaiian as it gets. This perennial shrub is endemic to the Hawaiian Islands, meaning you won’t find it growing wild anywhere else on Earth. With its glossy green leaves and attractive tubular flowers, it’s like having a little piece of Hawaii’s native forest in your own landscape.

This beauty typically grows as a multi-stemmed woody shrub, usually staying under 13-16 feet tall, making it perfect for most garden settings. Don’t worry about it taking over your yard – cyrtandra is well-behaved and knows its place!

Where Does Cyrtandra Call Home?

This native gem is found exclusively in Hawaii, where it thrives in the islands’ unique tropical climate. If you’re gardening in the Aloha State, you’re in luck – you can grow a truly local plant that belongs in your landscape.

Why Your Garden Will Love Cyrtandra

Here’s where cyrtandra really shines: it’s the perfect understory shrub for creating that lush, tropical forest feel. Whether you’re designing a native Hawaiian garden or just want to add some authentic island charm to your landscape, this shrub fits right in.

Plus, cyrtandra isn’t just a pretty face. Those tubular flowers are magnets for Hawaii’s native birds, especially honeycreepers, making your garden a little wildlife haven. It’s like dinner and a show for your feathered friends!

Growing Conditions: Keep It Happy and Hawaiian

Cyrtandra has some specific preferences, but they’re not too demanding once you understand what makes it tick:

  • Light: Partial to full shade – think forest understory, not beach volleyball court
  • Soil: Moist, well-draining soil that doesn’t get soggy
  • Climate: USDA zones 10-11 only (sorry, mainland gardeners!)
  • Humidity: High humidity is a must – it loves that tropical air
  • Protection: Shield it from strong winds that could damage those lovely leaves

Planting and Care Tips

The good news? Cyrtandra is relatively low-maintenance once established. Here are some tips to keep your shrub thriving:

  • Keep the soil consistently moist but never waterlogged
  • Mulch around the base to retain moisture and suppress weeds
  • Minimal pruning needed – just remove dead or damaged branches
  • Plant in a protected spot where it won’t get battered by trade winds
  • Be patient – like many native plants, it may take time to establish

Is Cyrtandra Right for Your Garden?

If you’re gardening in Hawaii and want to support native ecosystems while creating a beautiful landscape, cyrtandra is definitely worth considering. It’s perfect for:

  • Native Hawaiian plant gardens
  • Tropical shade gardens
  • Forest restoration projects
  • Wildlife-friendly landscapes
  • Anyone wanting to garden with indigenous plants

Just remember, this is strictly a tropical plant. If you’re not in zones 10-11, cyrtandra won’t survive your winters. But if you are blessed with Hawaii’s climate, this native beauty could be the perfect addition to your slice of paradise!

The Bottom Line

Cyrtandra ×hillebrandii offers Hawaiian gardeners a wonderful opportunity to grow something truly local and ecologically valuable. With its attractive appearance, wildlife benefits, and relatively easy care requirements, it’s a native plant that deserves a spot in more island gardens. Your local birds will definitely approve of the choice!

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 ×hillebrandii Oliv. [garnotiana × paludosa] - cyrtandra

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