North America Native Plant

Ipomoea Mauritiana

Botanical name: Ipomoea mauritiana

USDA symbol: IPMA5

Habit: vine

Native status: Native to Pacific Basin excluding Hawaii  

Ipomoea mauritiana: A Pacific Island Native Morning Glory Worth Growing If you’re gardening in the tropical Pacific and looking for a beautiful climbing vine that’s actually native to your region, let me introduce you to Ipomoea mauritiana. This lesser-known member of the morning glory family might not have a catchy ...

Ipomoea mauritiana: A Pacific Island Native Morning Glory Worth Growing

If you’re gardening in the tropical Pacific and looking for a beautiful climbing vine that’s actually native to your region, let me introduce you to Ipomoea mauritiana. This lesser-known member of the morning glory family might not have a catchy common name, but it’s got plenty of charm and ecological value for the right garden.

Where Does Ipomoea mauritiana Come From?

This lovely vine is native to the Pacific Basin, specifically calling islands like Guam and Palau home. It’s part of the natural flora that has adapted perfectly to island life, making it an excellent choice for gardeners in these regions who want to support local ecosystems while adding beauty to their landscapes.

What Makes This Vine Special?

Ipomoea mauritiana is a twining, climbing plant that can develop relatively long stems that may become woody with age. Like its morning glory cousins, it produces beautiful funnel-shaped flowers in shades of purple to violet, complemented by attractive heart-shaped leaves. The combination creates a lush, tropical look that’s hard to resist.

What really sets this plant apart is its natural adaptation to coastal and island conditions. It can handle salt spray and the challenging growing conditions that many tropical islands present, making it a reliable performer where other vines might struggle.

Perfect Spots for Planting

This vine thrives in:

  • Tropical and subtropical gardens (USDA zones 10-12)
  • Coastal landscapes where salt tolerance is important
  • Naturalistic or native plant gardens
  • Areas needing vertical interest or natural screening

Growing Conditions That Make It Happy

Ipomoea mauritiana isn’t particularly fussy, but it does have preferences:

  • Light: Full sun to partial shade
  • Soil: Well-draining soil (avoid waterlogged conditions)
  • Water: Regular watering, but it can tolerate some drought once established
  • Support: Provide a trellis, fence, or other structure for climbing

Planting and Care Tips

Getting started with this native vine is relatively straightforward:

  • Install your support structure before planting – this vine wants to climb from day one
  • Plant in well-draining soil and water regularly during establishment
  • Prune as needed to control growth and prevent it from overwhelming other plants
  • In ideal conditions, growth can be quite vigorous, so stay on top of maintenance

Benefits for Wildlife

As a native plant, Ipomoea mauritiana supports local ecosystems in ways that non-native alternatives simply can’t match. The flowers attract butterflies, bees, and other native pollinators that have co-evolved with Pacific island flora. By choosing this vine, you’re helping maintain the delicate ecological relationships that make island ecosystems unique.

Is This Vine Right for Your Garden?

Ipomoea mauritiana is an excellent choice if you’re gardening in its native range or similar tropical conditions. It offers the beauty of a morning glory with the added benefit of supporting local wildlife and ecosystems. However, it’s only suitable for very warm climates – if you’re outside zones 10-12, you’ll need to look for cold-hardy alternatives.

For Pacific island gardeners specifically, this vine represents an opportunity to celebrate your region’s natural heritage while creating a beautiful landscape. It’s a reminder that sometimes the best plants for our gardens are the ones that have been growing in our neighborhoods for centuries.

While Ipomoea mauritiana might not be as widely known as some of its morning glory relatives, it’s definitely worth seeking out if you can grow it in your climate. After all, there’s something special about growing plants that truly belong in your corner of the world.

Ipomoea Mauritiana

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

Convolvulaceae Juss. - Morning-glory family

Genus

Ipomoea L. - morning-glory

Species

Ipomoea mauritiana Jacq.

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