Native Plants

Cyrtandra

Cyrtandra ×hillebrandii

USDA symbol: CYHI6

perennial shrub

Hawaii: native

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! Cyrtandra ...

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.

  • Species observed
  • No observations

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 ×hillebrandii is also known as...

Often we refer to plants by their common names. When shopping for plants the scientific name is the best way to positively identify the plant species you desire. But some plants have more than one name! While it doesn't happen often, nurseries might display one name while you're searching for another. Cyrtandra ×hillebrandii is also known as:

Cyrtandra grossecrenata John & | USDA symbol: CYGR7
Cyrtandra oliveri | USDA symbol: CYOL4

Why do some plants have more than one name? Over time plant species may be renamed for a few reasons:

  1. Botanists in different regions named the same plant without knowing it had already been classified.
  2. A species was reclassified after scientific advances in, for example, DNA analysis.
  3. Slight variations within a species are sometimes mistakenly identified as entirely new species.

Classification

Group: Dicot
Kingdom: Plantae - Plants
Subkingdom: Tracheobionta - Vascular plants
Superdivision: Spermatophyta - Seed plants
Division: Magnoliophyta - Flowering plants
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