Non-native Plants

Spottedheart

Stictocardia tiliifolia

USDA symbol: STTI

perennial vine

Hawaii: non-native, naturalized
Lower 48 states: non-native, naturalized
Pacific Basin excluding Hawaii: native in some areas, naturalized in others
Puerto Rico: non-native, naturalized
U.S. Virgin Islands: non-native, naturalized

Looking for a fast-growing vine to add tropical flair to your warm-climate garden? Meet spottedheart (Stictocardia tiliifolia), also known as morning glory, a vigorous climbing plant that brings lush foliage and charming flowers to any landscape. While this isn’t a native plant in most areas where it’s grown, it has ...

Spottedheart: A Tropical Climbing Beauty for Warm Climate Gardens

Looking for a fast-growing vine to add tropical flair to your warm-climate garden? Meet spottedheart (Stictocardia tiliifolia), also known as morning glory, a vigorous climbing plant that brings lush foliage and charming flowers to any landscape. While this isn’t a native plant in most areas where it’s grown, it has found a home in many tropical and subtropical gardens across the southern United States and Pacific territories.

What is Spottedheart?

Spottedheart is a perennial twining vine that originally hails from tropical Asia and Pacific islands. This robust climber is known for its distinctive heart-shaped leaves and funnel-shaped flowers that bloom in shades of purple and pink. The plant gets its common name from the spotted patterns that sometimes appear on its blooms, though it’s also widely recognized as a type of morning glory.

Where Does Spottedheart Grow?

This non-native species has established itself in several U.S. locations, including Florida, Hawaii, Puerto Rico, the U.S. Virgin Islands, and various Pacific territories like Guam and Palau. It thrives in warm, tropical and subtropical climates and has naturalized in these areas, meaning it reproduces and persists without human intervention.

  • Species observed
  • No observations

Should You Plant Spottedheart in Your Garden?

The decision to plant spottedheart depends on your location, garden goals, and personal preferences. Here are some considerations:

The Pros:

  • Fast-growing coverage for fences, arbors, and unsightly structures
  • Attractive heart-shaped foliage creates a lush, tropical appearance
  • Beautiful purple and pink flowers that attract butterflies and moths
  • Thrives in coastal conditions and tolerates salt spray
  • Low maintenance once established

The Considerations:

  • Can be quite vigorous and may overwhelm smaller plants
  • Requires regular pruning to keep it in bounds
  • Not cold-hardy outside USDA zones 9-11
  • As a non-native plant, it doesn’t provide the same ecological benefits as indigenous species

Growing Conditions and Care

If you decide to grow spottedheart, you’ll find it’s relatively easy to please:

Ideal Growing Conditions:

  • Sunlight: Full sun to partial shade
  • Soil: Well-draining soil, tolerates various soil types
  • Water: Regular watering, but avoid waterlogged conditions
  • Climate: USDA hardiness zones 9-11

Planting and Care Tips:

  • Provide a sturdy support structure like a trellis, fence, or arbor
  • Plant in spring after the last frost
  • Water regularly during establishment, then as needed
  • Prune regularly to control growth and prevent it from overwhelming other plants
  • Watch for signs of aggressive spreading and manage accordingly

Wetland Tolerance

Interestingly, spottedheart shows different moisture preferences depending on the region. In the Atlantic and Gulf Coastal Plain areas, it typically prefers upland conditions but can tolerate some wetness. However, in Caribbean regions, it’s more commonly found in wetland areas while still tolerating drier sites.

Consider Native Alternatives

While spottedheart can be a beautiful addition to appropriate gardens, consider exploring native climbing vines that offer similar aesthetic appeal while supporting local ecosystems. Native alternatives might include coral honeysuckle (Lonicera sempervirens) in the Southeast or native morning glory species specific to your region. These plants provide the same climbing coverage while offering better support for local wildlife and pollinators.

The Bottom Line

Spottedheart can be a lovely addition to tropical and subtropical gardens, especially where you need quick coverage and don’t mind regular maintenance. Its vigorous nature makes it excellent for screening purposes, and its flowers do provide some pollinator benefits. Just remember to keep it in check with regular pruning, and consider whether a native alternative might better serve both your garden goals and local ecosystem needs.

Whether you choose spottedheart or a native climbing vine, the key is selecting plants that match your climate, maintenance preferences, and landscape goals. Happy gardening!

Stictocardia tiliifolia is also known as...

Often we refer to plants by their common names. When shopping for plants the scientific name is the best way to positively identify the plant species you desire. But some plants have more than one name! While it doesn't happen often, nurseries might display one name while you're searching for another. Stictocardia tiliifolia is also known as:

Convolvulus tiliifolius | USDA symbol: COTI6
Ipomoea campanulata auct. non | USDA symbol: IPCA11
Rivea campanulata auct. non | USDA symbol: RICA4
Stictocardia campanulata auct. non | USDA symbol: STCA18

Why do some plants have more than one name? Over time plant species may be renamed for a few reasons:

  1. Botanists in different regions named the same plant without knowing it had already been classified.
  2. A species was reclassified after scientific advances in, for example, DNA analysis.
  3. Slight variations within a species are sometimes mistakenly identified as entirely new species.

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 care and fewer inputs. But the simplicity of this catchphrase conceals how tricky plant selection can be if you don't have the right information. While tags on nursery plants 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. You might be surprised to learn that popular landscape plants are wetland species! And what may be a wetland plant in one area, in another it might thrive in drier conditions. The table below gives insight into the preferred growing conditions of this plant throughout its geographical distribution.

Region
Preferred Habitat

Atlantic and Gulf Coastal Plain (AL, AR, DC, DE, FL, GA, IL, KY, LA, MD, MS, MO, NC, NJ, OK, PA, SC, TN, TX, VA)

Facultative Upland

Caribbean (PR, VI)

Facultative Wetland

Hawaii ()

Facultative Upland
Wetland Glossary
Obligate Wetland
Facultative Wetland
Facultative
Facultative Upland
Obligate Upland
Almost always occurs in wetlands
Usually occurs in wetlands but may occur in non-wetlands
Can occur in wetlands and non-wetlands
Usually occurs in non-wetlands but may occur in wetlands
Almost never occurs in wetlands

Classification

Group: Dicot
Kingdom: Plantae - Plants
Subkingdom: Tracheobionta - Vascular plants
Superdivision: Spermatophyta - Seed plants
Division: Magnoliophyta - Flowering plants
Class: Magnoliopsida - Dicotyledons
Subclass: Asteridae
Order: Solanales
Family: Convolvulaceae Juss. - Morning-glory family
Genus: Stictocardia Hallier f. - stictocardia

Species: Stictocardia tiliifolia (Desr.) Hallier f. - spottedheart

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