North America Native Plant

Showy Chalicevine

Botanical name: Solandra grandiflora

USDA symbol: SOGR3

Life cycle: perennial

Habit: vine

Native status: Non-native, reproduces and persists in the wild in the lower 48 states âš˜ Non-native, reproduces and persists in the wild in Pacific Basin excluding Hawaii âš˜ Native to Puerto Rico âš˜ Native to the U.S. Virgin Islands  

Synonyms: Swartzia grandiflora (Sw.) J.F. Gmel. (SWGR)   

Showy Chalicevine: A Dramatic Night-Blooming Vine for Tropical Gardens If you’re looking for a show-stopping vine that puts on its best performance under the moonlight, the showy chalicevine (Solandra grandiflora) might just capture your gardening imagination. This vigorous climbing plant produces some of the most spectacular nocturnal blooms you’ll find ...

Showy Chalicevine: A Dramatic Night-Blooming Vine for Tropical Gardens

If you’re looking for a show-stopping vine that puts on its best performance under the moonlight, the showy chalicevine (Solandra grandiflora) might just capture your gardening imagination. This vigorous climbing plant produces some of the most spectacular nocturnal blooms you’ll find in the plant kingdom, though it comes with both rewards and responsibilities for the gardener willing to take it on.

What Makes Showy Chalicevine Special

The showy chalicevine earns its common name through its impressive trumpet-shaped flowers that can reach up to 8 inches across. These cream to pale yellow blooms open in the evening, releasing an intoxicating fragrance that fills the night air. The flowers are complemented by thick, glossy green leaves that create a lush backdrop for the dramatic blooms.

This perennial vine is a true climber, using its twining growth habit to scramble up any available support. The stems can become quite woody with age, creating a substantial presence in the landscape.

Native Status and Distribution

Showy chalicevine is native to the Caribbean region, specifically Puerto Rico and the U.S. Virgin Islands. However, it has established itself as a non-native species in several other locations, including Connecticut, Guam, and Palau, where it reproduces spontaneously in the wild.

Growing Conditions and Care

This tropical beauty is quite particular about its growing conditions. Here’s what you need to know:

  • Climate: USDA hardiness zones 10-12 only – this is strictly a tropical and subtropical plant
  • Light: Partial to full sun for best flowering
  • Soil: Well-draining soil that retains some moisture
  • Water: Regular watering, especially during dry periods
  • Support: Requires a very sturdy support structure due to its vigorous growth

Landscape Role and Design Considerations

Showy chalicevine works best in large landscapes where it has room to spread and climb. Consider it for:

  • Covering large walls or buildings
  • Growing over substantial pergolas or arbors
  • Screening unsightly structures
  • Creating dramatic focal points in tropical gardens

The wetland status varies by region – it typically prefers upland conditions but may occasionally tolerate some wetland situations, particularly in coastal areas.

Wildlife and Pollinator Benefits

The night-blooming nature of showy chalicevine makes it particularly valuable for nocturnal pollinators, especially moths. The large, fragrant flowers provide an excellent nectar source for these often-overlooked garden visitors.

Important Considerations

Before planting showy chalicevine, consider these factors:

  • Space requirements: This vine can become quite large and needs substantial support
  • Climate limitations: Only suitable for frost-free areas
  • Non-native status: While not currently listed as invasive, it’s worth considering native alternatives
  • Maintenance: May require regular pruning to keep it manageable

Native Alternatives to Consider

If you’re gardening outside of the Caribbean region, consider these native climbing plants that might provide similar drama:

  • Native honeysuckles (Lonicera species) for fragrant flowers
  • Native morning glories for trumpet-shaped blooms
  • Regional native vines that support local wildlife

The Bottom Line

Showy chalicevine can be a stunning addition to the right garden – one with plenty of space, strong support structures, and a truly tropical climate. Its nighttime flower show and wildlife benefits make it appealing, but its specific requirements and non-native status mean it’s not the right choice for every gardener. If you do decide to grow it, be prepared to provide the substantial support and space this vigorous vine demands, and consider whether a native alternative might better serve both your garden and local ecosystem.

Wetland Status

The rule of seasoned gardeners and landscapers is to choose the "right plant for the right place" matching plants to their ideal growing conditions, so they'll thrive with less work and fewer inputs. But the simplicity of this catchphrase conceals how tricky plant selection is. While tags list watering requirements, there's more to the story.

Knowing a plant's wetland status can simplify the process by revealing the interaction between plants, water, and soil. Surprisingly, many popular landscape plants are wetland species! And what may be a wetland plant in one area, in another it might thrive in drier conditions. Also, it helps you make smarter gardening choices and grow healthy plants with less care and feeding, saving you time, frustration, and money while producing an attractive garden with greater ecological benefits.

Regions
Status
Moisture Conditions

Atlantic and Gulf Coastal Plain

FACU

Facultative Upland - Plants with this status usually occurs in non-wetlands but may occur in wetlands

Caribbean

UPL

Obligate Upland - Plants with this status almost never occurs in wetlands

Northcentral & Northeast

FACU

Facultative Upland - Plants with this status usually occurs in non-wetlands but may occur in wetlands

Showy Chalicevine

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 grandiflora Sw. - showy chalicevine

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