groundcoverN. America Native

Railroad Vine

Ipomoea pes-caprae

The Story

Plant Bio

Ipomoea pes-caprae, known as railroad vine, is a prostrate, evergreen perennial vine that forms dense mats over coastal sand dunes. The long, fleshy stems root at the nodes and bear thick, leathery leaves with a deeply notched apex resembling a goat's footprint.

This species produces funnel-shaped, rose-purple to pink flowers with darker centers from spring through fall. It functions as a primary sand stabilizer, thriving in nutrient-poor, salt-saturated beach environments where few other plants survive.

Uses & Benefits:

Produces a continuous display of rose-purple, funnel-shaped flowers against thick, glossy green foliage.

Acts as a fast-growing, highly salt-tolerant groundcover for harsh, sandy coastal environments where other plants fail.

Provides critical coastal dune stabilization and offers nectar for native bees and butterflies.

Essentials

At a Glance

Plant Type

Groundcover

Height

12"

Width

700"

Light

Full Sun

Zones

9, 10

Water

Low

Humidity

High

Lifespan

Perennial

Native To

North America, South America, Africa, Asia, Australia

Toxicity

Mildly toxic if ingested in large quantities

Bloom period

Spring – Fall

In flower about 9 months of the year

Planting

How to Grow

Select a planting site in full sun with coarse, rapidly draining sandy soil.
Dig a hole twice the width of the root ball and set the plant at its original container depth.
Water deeply immediately after planting to settle the sand around the roots.
Irrigate weekly for the first month until established, then cease watering entirely except during extreme droughts.

Pro Tip

Avoid planting in rich, organic garden soils or applying nitrogen fertilizers, which stimulate excessive, weak vegetative growth at the expense of flowers.

Keep It Thriving

Care Guide

Do

Prune back trailing runners that encroach on walkways or designated garden boundaries.
Ensure the planting site has excellent drainage to prevent root rot.
Allow the stems to trail freely over sandy slopes to maximize soil stabilization.

Don't

Do not apply fertilizers, as this species is adapted to nutrient-deficient sands.
Do not overwater or plant in heavy clay soils that retain moisture.
Do not plant in shaded areas, which causes leggy growth and poor flowering.

Seasonal Care Calendar

Task	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Pest Check
Plant
Propagate
Prune

Watch Out For

Pests & Diseases

Common Pests

Common Diseases

In the Garden

Landscape Uses & Companions

Landscape Uses

Erosion ControlGroundcoverCoastal GardensSlope Stabilization

Companion Plants

Ipomoea imperati Uniola paniculata Helianthus debilis

Multiply

Propagation Methods

Good to Know

Common Questions

Railroad Vine questions

What zones can Railroad Vine grow in?

Railroad Vine is hardy in USDA Zones 9–10. Inside that range it survives winter in the ground; outside it, grow it as an annual or a container plant you protect.

When does Railroad Vine bloom?

Railroad Vine typically blooms in spring through fall. Exact timing shifts a week or two with your zone — Sow's bloom calendar maps it to your garden.

Does Railroad Vine need full sun?

Railroad Vine does best in full sun (6+ hours).

Is Railroad Vine drought tolerant?

Yes — once established (usually after the first full season), Railroad Vine handles dry spells with minimal watering. Water deeply its first year to build the root system that makes that possible.