North America Native Plant

Molokai Treecotton

Botanical name: Kokia cookei

USDA symbol: KOCO2

Life cycle: perennial

Habit: shrub

Native status: Native to Hawaii  

Molokai Treecotton: A Rare Hawaiian Treasure Worth Protecting If you’re passionate about Hawaiian native plants and conservation, you may have heard whispers about one of the islands’ most endangered botanical treasures: Molokai treecotton (Kokia cookei). This remarkable shrub tells a story of both beauty and fragility that every native plant ...

Rare plant alert!

Region: United States

Status: SXC: Status is uncertain but is somewhere between the following rankings: Captive or Cultivated Only: Is presumed or is possibly extinct in the wild across their entire native range but exists in cultivation, either in captivity or naturalized outside their native range, or as a reintroduced population or ecosystem restoration that's not yet established. ⚘ Presumed Extinct: Believed to be extinct. Not located despite intensive searches and virtually no likelihood that it will be rediscovered ⚘ Endangered: In danger of extinction throughout all or a significant portion of its range. ⚘

Region: United States

Molokai Treecotton: A Rare Hawaiian Treasure Worth Protecting

If you’re passionate about Hawaiian native plants and conservation, you may have heard whispers about one of the islands’ most endangered botanical treasures: Molokai treecotton (Kokia cookei). This remarkable shrub tells a story of both beauty and fragility that every native plant enthusiast should know.

What Makes Molokai Treecotton Special?

Molokai treecotton is a perennial shrub that belongs to the hibiscus family, and it’s easy to see the family resemblance. This multi-stemmed woody plant typically grows to about 13-16 feet tall, creating an impressive presence in any landscape. What really catches the eye are its stunning red-orange flowers that bloom like tropical jewels against heart-shaped leaves.

But here’s where things get serious: this plant is critically endangered. In fact, Kokia cookei is listed as Endangered in the United States, making it one of Hawaii’s rarest native species.

Where Does It Come From?

This Hawaiian endemic is native exclusively to the island of Molokai, where it once grew in dry coastal areas. Today, its natural habitat has been severely reduced, and wild populations are extremely limited. The plant grows naturally only in Hawaii, making it a true island treasure.

Should You Plant Molokai Treecotton?

The short answer: Only if you can source it responsibly.

Given its endangered status, we strongly recommend planting Molokai treecotton only if you can obtain it from reputable botanical gardens, conservation nurseries, or authorized propagation programs. Never collect from wild populations – every wild plant is precious for the species’ survival.

If you can source it responsibly, this plant makes an incredible addition to:

  • Hawaiian native plant gardens
  • Conservation-focused landscapes
  • Botanical collections
  • Educational gardens highlighting endangered species

Growing Conditions and Care

Molokai treecotton is definitely not a beginner plant, but experienced gardeners in the right climate can help with conservation efforts:

Climate Requirements:

  • USDA Hardiness Zones 10-11 only (tropical climates)
  • Warm temperatures year-round
  • Protection from strong winds

Growing Conditions:

  • Well-draining soil (essential – this plant doesn’t like wet feet)
  • Full sun to partial shade
  • Regular watering when young, more drought-tolerant once established
  • Protection from harsh weather conditions

Benefits to Wildlife and Pollinators

Those gorgeous red-orange flowers aren’t just pretty – they’re magnets for native Hawaiian birds and insects. By growing Molokai treecotton (responsibly sourced, of course), you’re supporting the entire ecosystem that depends on native Hawaiian plants.

The Bottom Line

Molokai treecotton represents both the incredible beauty of Hawaiian native flora and the urgent need for conservation. While most gardeners won’t have the opportunity to grow this rare species, learning about it helps us appreciate the importance of protecting Hawaii’s unique botanical heritage.

If you’re passionate about Hawaiian natives but can’t source Molokai treecotton responsibly, consider growing other native Hawaiian hibiscus relatives that are more readily available. Every native plant we grow helps support the islands’ unique ecosystems.

Remember: when it comes to endangered species like Molokai treecotton, conservation comes first. If you do have the opportunity to grow this remarkable shrub, you’re not just adding a plant to your garden – you’re becoming part of a crucial conservation effort to keep this species alive for future generations.

Molokai Treecotton

Classification

Group

Dicot

Kingdom

Plantae - Plants

Subkingdom

Tracheobionta - Vascular plants

Superdivision

Spermatophyta - Seed plants

Division

Magnoliophyta - Flowering plants

Subdivision
Class

Magnoliopsida - Dicotyledons

Subclass

Dilleniidae

Order

Malvales

Family

Malvaceae Juss. - Mallow family

Genus

Kokia Lewt. - treecotton

Species

Kokia cookei O. Deg. - Molokai treecotton

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