North America Non-native Plant

Cochlospermum

Botanical name: Cochlospermum

USDA symbol: COCHL5

Life cycle: perennial

Habit: tree

Native status: Non-native, reproduces and persists in the wild in Puerto Rico  

Cochlospermum: The Golden Showstopper Tree for Tropical Gardens If you’re looking to add a burst of sunshine to your tropical landscape, cochlospermum might just be the eye-catching tree you’ve been searching for. This striking specimen puts on quite the show with its brilliant yellow blooms, though there are some important ...

Cochlospermum: The Golden Showstopper Tree for Tropical Gardens

If you’re looking to add a burst of sunshine to your tropical landscape, cochlospermum might just be the eye-catching tree you’ve been searching for. This striking specimen puts on quite the show with its brilliant yellow blooms, though there are some important considerations before adding it to your garden.

What Exactly is Cochlospermum?

Cochlospermum is a perennial tree that typically grows as a single-trunked specimen reaching heights of 13-16 feet or more. What makes this tree special is its dramatic flowering display – those gorgeous, papery yellow flowers appear before the leaves emerge, creating an absolutely stunning spectacle that’s hard to ignore.

Where Does It Come From?

Here’s where things get interesting: while cochlospermum has naturalized in Puerto Rico, it’s not actually native to this region. This tree originally hails from tropical areas of Africa, Asia, and Australia, making it an introduced species that has adapted well to Caribbean conditions.

The Appeal: Why Gardeners Love It

There’s no denying the visual impact of cochlospermum when it’s in bloom. Those bright yellow flowers are like nature’s own fireworks display, and they’re fantastic for attracting pollinators like bees and butterflies to your garden. The tree makes an excellent specimen plant or focal point in tropical landscape designs.

Garden Design Role and Suitability

Cochlospermum works beautifully in:

  • Tropical and subtropical gardens
  • Xerophytic or drought-tolerant landscapes
  • As a specimen tree or accent plant
  • Botanical collections focused on tropical species

Growing Conditions and Care

If you’re considering adding cochlospermum to your landscape, here’s what you need to know about keeping it happy:

Climate Requirements: This tree is strictly for USDA hardiness zones 10-12, meaning it needs warm temperatures year-round. No frost tolerance here!

Sun and Soil: Full sun is essential, and well-draining soil is a must. The good news? Once established, cochlospermum is quite drought tolerant.

Maintenance: Generally low-maintenance once established. You can prune after flowering if needed to maintain shape, but it’s not typically necessary.

Planting and Care Tips

  • Plant in a location with full sun exposure
  • Ensure excellent drainage to prevent root rot
  • Water regularly during establishment, then reduce frequency
  • Protect from strong winds when young
  • Minimal fertilization needed in most soils

Should You Plant It?

While cochlospermum can be a stunning addition to the right tropical garden, it’s worth considering native alternatives that provide similar benefits while supporting local ecosystems. Since this tree isn’t native to most areas where it’s grown, you might want to explore indigenous flowering trees that offer comparable visual impact and better ecological value.

If you do choose to grow cochlospermum, you’ll be rewarded with spectacular blooms and relatively easy care – just make sure your climate can handle its tropical needs!

Cochlospermum

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

Violales

Family

Bixaceae Kunth - Lipstick-tree family

Genus

Cochlospermum Kunth - cochlospermum

Species

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