North America Native Plant

Pussywillow Jessamine

Botanical name: Cestrum salicifolium

USDA symbol: CESA4

Life cycle: perennial

Habit: shrub

Native status: Native to Puerto Rico  

Pussywillow Jessamine: A Lesser-Known Puerto Rican Native Worth Discovering Meet Cestrum salicifolium, commonly known as pussywillow jessamine—a native shrub that calls Puerto Rico home. While this perennial beauty might not be as well-known as some of its flashier cousins, it represents an intriguing piece of Puerto Rico’s natural heritage that ...

Pussywillow Jessamine: A Lesser-Known Puerto Rican Native Worth Discovering

Meet Cestrum salicifolium, commonly known as pussywillow jessamine—a native shrub that calls Puerto Rico home. While this perennial beauty might not be as well-known as some of its flashier cousins, it represents an intriguing piece of Puerto Rico’s natural heritage that deserves a closer look.

What is Pussywillow Jessamine?

Pussywillow jessamine is a multi-stemmed woody shrub that typically grows to a manageable 13-16 feet in height, though it can sometimes stretch taller or develop a single stem depending on its growing conditions. As a perennial, this plant will stick around year after year, making it a potentially valuable long-term addition to the right garden setting.

Where Does It Grow Naturally?

This native beauty is exclusively found in Puerto Rico, where it has evolved to thrive in the island’s unique climate and growing conditions. For gardeners in Puerto Rico, this represents a wonderful opportunity to incorporate truly local flora into their landscape designs.

Should You Plant Pussywillow Jessamine?

Here’s where things get interesting—and a bit challenging. While pussywillow jessamine has the appeal of being a true Puerto Rican native, detailed information about this specific species is quite limited in gardening literature. This means that growing it successfully might require some experimentation and patience.

The Honest Truth About Growing This Plant

If you’re considering adding pussywillow jessamine to your garden, here’s what we know and what remains a mystery:

What We Know:

  • It’s a perennial shrub, so it’ll come back year after year
  • It typically grows 13-16 feet tall with multiple stems
  • It’s native to Puerto Rico, making it well-adapted to local conditions
  • As a native plant, it likely provides some benefits to local wildlife

What Remains Unknown:

  • Specific growing requirements (soil type, water needs, sun exposure)
  • Exact flowering characteristics and timing
  • Specific wildlife and pollinator benefits
  • Propagation methods and availability in nurseries
  • Potential pest or disease issues

If You Want to Try Growing It

For adventurous Puerto Rican gardeners interested in experimenting with this native species, your best bet is to:

  • Contact local native plant societies or botanical gardens for advice
  • Look for the plant in its natural habitat to observe its preferred growing conditions
  • Start with a single specimen to test how it performs in your specific garden conditions
  • Be prepared for some trial and error as you learn its preferences

Consider Well-Documented Alternatives

While we love the idea of growing native Puerto Rican plants, you might also consider other well-documented native species that can provide similar benefits with more predictable results. Consulting with local extension services or native plant experts can help you identify other Puerto Rican natives that might be easier to grow successfully.

The Bottom Line

Pussywillow jessamine represents an intriguing option for gardeners interested in native Puerto Rican flora, but it comes with the challenge of limited growing information. If you’re up for some horticultural detective work and don’t mind a bit of experimentation, this could be a rewarding plant to explore. However, if you’re looking for guaranteed success, you might want to start with better-documented native alternatives and perhaps add pussywillow jessamine to your garden once you’ve gained more experience with Puerto Rican native plants.

Pussywillow Jessamine

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

Solanales

Family

Solanaceae Juss. - Potato family

Genus

Cestrum L. - jessamine

Species

Cestrum salicifolium Jacq. - pussywillow jessamine

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