North America Native Plant

Slender Dwarf Morning-glory

Botanical name: Evolvulus alsinoides var. debilis van

USDA symbol: EVALD

Life cycle: perennial

Habit: forb

Native status: Native to Puerto Rico  

Slender Dwarf Morning-Glory: A Charming Puerto Rican Native Meet the slender dwarf morning-glory (Evolvulus alsinoides var. debilis van), a delightful little native that calls Puerto Rico home. This petite perennial might not be the showiest plant in your garden, but it has a quiet charm that’s hard to resist once ...

Slender Dwarf Morning-Glory: A Charming Puerto Rican Native

Meet the slender dwarf morning-glory (Evolvulus alsinoides var. debilis van), a delightful little native that calls Puerto Rico home. This petite perennial might not be the showiest plant in your garden, but it has a quiet charm that’s hard to resist once you get to know it.

What Makes This Plant Special?

As a true Puerto Rican native, the slender dwarf morning-glory has adapted perfectly to the island’s unique climate and growing conditions. This small forb – that’s gardening speak for a non-woody flowering plant – brings authentic local character to any garden space. While many gardeners gravitate toward flashy imports, there’s something wonderfully satisfying about growing a plant that truly belongs in your landscape.

Where You’ll Find It Growing Wild

This morning-glory variety is exclusively native to Puerto Rico, where it has evolved to thrive in the island’s diverse microclimates. You won’t find this particular variety growing naturally anywhere else in the world, making it a special addition for Puerto Rican gardeners looking to celebrate their local flora.

Garden Design Potential

As a perennial forb, the slender dwarf morning-glory offers several advantages for thoughtful garden design:

  • Low-maintenance ground coverage option
  • Authentic native plant for restoration projects
  • Perfect for naturalized garden areas
  • Excellent choice for wildlife-friendly landscapes

The Growing Reality Check

Here’s where we need to be honest – detailed growing information for this specific variety is surprisingly limited. This isn’t uncommon with native plants that haven’t entered mainstream horticulture. What we do know is that it’s a hardy perennial that has survived in Puerto Rico’s climate for generations, which tells us it’s likely quite adaptable.

Why Consider Growing It?

If you’re gardening in Puerto Rico, choosing native plants like the slender dwarf morning-glory offers several compelling benefits:

  • Water efficiency: Native plants typically require less irrigation once established
  • Pest resistance: Local plants have natural defenses against regional pests
  • Wildlife support: Native species provide food and habitat for local birds, butterflies, and beneficial insects
  • Cultural connection: Growing indigenous plants connects you to your local ecosystem’s natural heritage

The Challenge of Growing Native Rarities

One potential hurdle with lesser-known natives like this morning-glory is sourcing. You probably won’t find it at your typical garden center. Instead, try connecting with:

  • Native plant societies in Puerto Rico
  • Botanical gardens with seed exchange programs
  • Conservation organizations focusing on local flora
  • University extension programs

A Word of Caution and Encouragement

While we don’t have specific information about this plant’s conservation status, the limited availability of growing information suggests it might not be common in cultivation. If you do find seeds or plants, make sure they’re from responsible, ethical sources that don’t impact wild populations.

The Bottom Line

The slender dwarf morning-glory represents something beautiful about native plant gardening – the opportunity to nurture plants that truly belong in your landscape. While detailed growing guides might be scarce, this hardy perennial’s survival in Puerto Rico’s climate suggests it’s tougher than it looks.

For adventurous gardeners willing to experiment with lesser-known natives, this little morning-glory could be a rewarding addition to naturalized areas, native plant gardens, or wildlife habitat projects. Just remember that growing rare or uncommon natives often means becoming a bit of a plant detective – and that’s half the fun!

Slender Dwarf Morning-glory

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

Evolvulus L. - dwarf morning-glory

Species

Evolvulus alsinoides (L.) L. - slender dwarf morning-glory

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