North America Non-native Plant

Solandra Longiflora

Botanical name: Solandra longiflora

USDA symbol: SOLO2

Native status: Not native but doesn't reproduce and persist in the wild

Synonyms: Swartzia longiflora (Tussac) Britton & P. Wilson (SWLO)   

Solandra longiflora: The Night-Blooming Spectacle You Didn’t Know You Needed Ever wondered what it would be like to have a plant that puts on its best show just as you’re settling in for the evening? Meet Solandra longiflora, a Caribbean native that’s redefining what it means to be a night ...

Solandra longiflora: The Night-Blooming Spectacle You Didn’t Know You Needed

Ever wondered what it would be like to have a plant that puts on its best show just as you’re settling in for the evening? Meet Solandra longiflora, a Caribbean native that’s redefining what it means to be a night owl in the plant world. This vigorous climbing vine might not have a catchy common name, but it certainly knows how to make an impression with its dramatic, trumpet-shaped blooms that unfurl under the cover of darkness.

What Makes This Plant Special?

Solandra longiflora belongs to the nightshade family and hails from the warm, tropical islands of the Caribbean, particularly Cuba and Jamaica. You might also see it listed under its botanical synonym, Swartzia longiflora, though that classification has since been updated.

This isn’t your typical garden-variety flowering vine. The real magic happens after sunset, when the plant’s large, fragrant flowers open to reveal creamy white petals that can stretch up to 8 inches long. These blooms aren’t just pretty to look at—they’re specifically designed to attract night-flying moths and other nocturnal pollinators, creating a mini ecosystem right in your garden.

The Good, The Beautiful, and The Practical

So why might you want to invite this Caribbean beauty into your garden space? Here are the compelling reasons:

  • Dramatic evening display: Those massive, fragrant blooms create an unforgettable nighttime garden experience
  • Vigorous growth: Perfect for quickly covering unsightly walls, fences, or structures
  • Pollinator magnet: Supports nocturnal pollinators that many other plants ignore
  • Year-round interest: Glossy, evergreen foliage provides structure even when not in bloom
  • Conversation starter: Guaranteed to have your neighbors asking What IS that amazing plant?

Before You Plant: The Reality Check

Now, let’s talk about the considerations that might give you pause:

  • Climate limitations: Only hardy in USDA zones 10-12, so most gardeners will need greenhouse space
  • Space requirements: This vigorous climber needs substantial support and can overwhelm smaller gardens
  • Non-native status: While not invasive, it won’t provide the same ecological benefits as native alternatives
  • Maintenance needs: Requires regular pruning and consistent care to keep it manageable

Growing Conditions: What This Plant Craves

If you’re still intrigued and have the right climate (or indoor space), here’s what Solandra longiflora needs to thrive:

  • Light: Full sun to partial shade—at least 6 hours of direct sunlight daily
  • Temperature: Warm conditions year-round; cannot tolerate frost
  • Soil: Well-draining, fertile soil with good organic content
  • Water: Regular watering during the growing season, but avoid waterlogged conditions
  • Humidity: High humidity levels mimic its native tropical environment
  • Support: Strong pergola, arbor, or wall system—this vine means business

Planting and Care Tips

Ready to take the plunge? Here’s your success roadmap:

  • Choose your location carefully: Ensure your support structure can handle a vigorous, heavy vine
  • Plant in spring: Give it the full growing season to establish before any cool weather
  • Feed regularly: Monthly fertilizing during the growing season keeps those impressive blooms coming
  • Prune thoughtfully: Trim after flowering to maintain size and encourage branching
  • Winter protection: In marginal climates, provide frost protection or grow in containers that can be moved

Native Alternatives to Consider

While Solandra longiflora is undeniably spectacular, consider these native climbing alternatives that offer similar benefits:

  • For evening fragrance: Native honeysuckles or evening primrose vines
  • For dramatic blooms: Trumpet vine (Campsis radicans) in appropriate regions
  • For pollinator support: Native clematis or wild grape species

The Bottom Line

Solandra longiflora is like that friend who’s absolutely fascinating but requires a bit more attention than most—worth it if you have the time and space, but not for everyone. If you live in zones 10-12 and have room for a substantial climbing vine, this night-blooming beauty could be the unique focal point your garden has been missing. Just remember to provide strong support, consistent care, and maybe keep some native alternatives in mind for supporting local wildlife.

Whether you choose to grow this Caribbean charmer or opt for native alternatives, the key is creating a garden that brings you joy while supporting the broader ecosystem. Sometimes that means embracing the exotic, and sometimes it means celebrating what’s already perfectly adapted to your local environment.

Solandra Longiflora

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

Solandra Sw. - solandra

Species

Solandra longiflora Tussac [excluded]

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