North America Native Plant

Raintree

Botanical name: Brunfelsia

USDA symbol: BRUNF2

Life cycle: perennial

Habit: shrub

Native status: It's either native or not native in Puerto Rico âš˜ Native to the U.S. Virgin Islands  

Raintree (Brunfelsia): A Fragrant Caribbean Native Worth Growing If you’re looking for a shrub that delivers both stunning visual appeal and intoxicating fragrance, meet the raintree, scientifically known as Brunfelsia. This Caribbean native brings tropical elegance to gardens with its unique color-changing flowers and glossy foliage. Whether you’re gardening in ...

Raintree (Brunfelsia): A Fragrant Caribbean Native Worth Growing

If you’re looking for a shrub that delivers both stunning visual appeal and intoxicating fragrance, meet the raintree, scientifically known as Brunfelsia. This Caribbean native brings tropical elegance to gardens with its unique color-changing flowers and glossy foliage. Whether you’re gardening in its native range or dreaming of tropical vibes elsewhere, this perennial shrub has plenty to offer.

What Makes Raintree Special

Raintree is a true showstopper in the plant world, famous for its remarkable flowers that perform a magical color transformation over several days. The blooms typically start as deep purple or violet, gradually fading to lavender, then white, creating a stunning multi-colored display on a single plant. These fragrant, tubular flowers are about 1-2 inches across and emit a sweet, intoxicating scent that’s especially strong in the evening.

The plant itself is a well-behaved shrub that typically reaches 4-5 meters (13-16 feet) in height, though it often stays much smaller in cultivation. Its glossy, dark green leaves provide an attractive backdrop for the ever-changing floral show.

Native Status and Where It Grows

Raintree is native to Puerto Rico and the U.S. Virgin Islands, making it an excellent choice for gardeners in these regions who want to support local ecosystems. The plant thrives in these tropical Caribbean locations where it has evolved alongside local wildlife and pollinators.

Why Grow Raintree in Your Garden

There are several compelling reasons to consider adding raintree to your landscape:

  • Fragrant flowers: The sweet evening scent makes it perfect near patios, windows, or walkways
  • Color-changing blooms: The purple-to-white transformation creates visual interest over time
  • Pollinator magnet: Butterflies, moths, and other beneficial insects love the nectar-rich flowers
  • Manageable size: Won’t overwhelm smaller gardens like some tropical shrubs
  • Year-round appeal: Evergreen foliage provides structure even when not blooming

Garden Design and Landscape Uses

Raintree works beautifully in several garden settings. Use it as a specimen plant where its unique flowers can be the star of the show, or incorporate it into mixed tropical borders alongside other Caribbean natives. It makes an excellent foundation planting near homes, where the evening fragrance can be enjoyed from indoors. In fragrance gardens, it’s absolutely essential.

The shrub is particularly well-suited for tropical and subtropical gardens, though container growing makes it possible to enjoy in cooler climates with winter protection.

Growing Conditions and Care

Raintree appreciates conditions that mimic its native Caribbean habitat:

  • Light: Partial shade to filtered sunlight works best
  • Soil: Well-draining but consistently moist soil
  • Humidity: Prefers high humidity levels
  • Hardiness: USDA zones 9-11; can be grown as a houseplant or container plant in cooler areas
  • Water: Regular watering, but avoid waterlogged conditions

Planting and Care Tips

Getting raintree established and keeping it happy isn’t too challenging if you meet its basic needs:

  • Planting: Choose a spot with morning sun and afternoon shade, protected from strong winds
  • Watering: Keep soil consistently moist but not soggy
  • Fertilizing: Feed with a balanced fertilizer during the growing season
  • Pruning: Light pruning after flowering helps maintain shape
  • Container growing: Use a large pot with drainage holes and bring indoors when temperatures drop below 50°F

Is Raintree Right for Your Garden?

If you’re gardening in Puerto Rico or the U.S. Virgin Islands, raintree is an outstanding native choice that supports local ecosystems while providing beauty and fragrance. For mainland gardeners in zones 9-11, it can add tropical flair to appropriate landscapes. In cooler climates, container growing allows you to enjoy this special plant with some extra winter care.

The main considerations are climate suitability and providing adequate humidity. If you can meet those needs, raintree rewards you with one of the most enchanting floral displays in the plant kingdom, complete with an unforgettable fragrance that will transport you straight to the Caribbean.

Raintree

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

Brunfelsia L. - raintree

Species

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