How to Grow Pohuehue

iNaturalist

Pohuehue

Ipomoea pes-caprae

vine

Pohuehue is a salt-tolerant, spreading vine native to tropical and subtropical coastal regions worldwide. It produces heart-shaped leaves and delicate pink or purple flowers, thriving in sandy, saline environments where few other plants survive. This hardy groundcover is valued for coastal stabilization and ornamental purposes.

When should you plant Pohuehue in your zone?

Get a personalized planting timeline — when to start seeds, transplant, and harvest — based on your USDA zone and local frost dates. Free to start.

Get my Pohuehue timeline →

Example Pohuehue timeline · Pittsburgh, PA (Zone 6b)

  1. Plant Pohuehue

    Around Apr 17

    Near Pittsburgh's average last spring frost.

  2. Tend & protect

    Late spring–summer

    Watering, feeding, and pest-watch reminders.

  3. Harvest Pohuehue

    Around Jul 16

    ≈ 90 days after planting

Sample dates for Pittsburgh, PA. Sign up to get exact Pohuehue dates for your own zip code.

Growing Conditions

☀️
Sun: Full sun, 8+ hours daily
💧
Water: Drought-tolerant once established; tolerates salt water spray. Water moderately during establishment, then minimal supplemental watering needed. Highly salt-tolerant and adapted to arid coastal conditions.
📏
Spacing: 24 inches
📅
Days to maturity: 90-180 days to full ground coverage
🌱
Planting depth: 0.25-0.5 inches for seeds; transplants at soil surface

Soil

Type: Sandy, well-draining soil tolerant of salt spray
pH: 6.0-7.5
Amendments:
Organic matter (limited) Salt-tolerant soil amendments Coarse sand for drainage

Growing Zones

Find your zone →

Thrives in USDA zones 10b-11, preferring warm tropical and subtropical coastal climates

10b 11a 11b

Sign up free to see if Pohuehue grows in your zone — and get a personalized planting timeline.

Get my Pohuehue timeline →

Growth Stages

1

Germination & Seedling

2-4 weeks

Seeds sprout with cotyledons visible, first true leaves emerge. Plant establishes shallow root system.

Keep soil lightly moist until established. Provide bright light. Germinates slowly; pre-soak seeds or scarify for faster germination.

2

Vegetative Growth & Vine Establishment

4-8 weeks

Trailing vines extend across ground with heart-shaped leaves. Vine spreads rapidly along soil surface. Root system deepens.

Minimal water needed once rooted. Allow vines to spread freely for ground coverage. No fertilizer usually required in sandy soils.

3

Flowering

Continuous during warm season (4-6 months or year-round in tropical climates)

Delicate pink, purple, or white funnel-shaped flowers (1-2 inches) appear along vines and between leaf nodes.

Flowering is prolific in full sun and warm conditions. Allow flowers to set seed if desired for natural spread.

4

Seed Set & Maturation

4-6 weeks per flowering cycle

Flowers develop into small, round seed capsules containing 1-4 hard seeds. Capsules ripen to tan/brown color.

Allow capsules to dry on plant for easier seed collection. Seeds can be harvested or left to self-sow.

5

Established Ground Cover

Year-round in tropical zones; seasonal in cooler areas

Mature vines form dense carpet over soil surface, continuously flowering and producing seed. Plant becomes increasingly salt-resistant.

Minimal maintenance required. No pruning necessary unless controlling spread. Tolerates salt spray and coastal conditions beautifully.

Companion Planting

Plan your garden →

Plant with:

Avoid planting near:

Frost-sensitive plants (in marginal zones) Water-dependent plants requiring frequent irrigation

Common Pests

  • Hand-pick small populations; use neem oil if needed; rarely problematic in coastal conditions

  • Spray with water; insecticidal soap; encourage natural predators

  • Increase humidity; spray with water; neem oil in severe cases

  • Remove by hand; horticultural oil spray; prune heavily infested sections

Uses

🏠

Coastal Erosion Control & Beach Stabilization

Household

Pohuehue's extensive root system and salt tolerance make it invaluable for preventing coastal erosion and stabilizing sand dunes. It is widely used in restoration projects along tropical and subtropical shorelines. [source]

🦋

Wildlife Habitat & Pollinator Support

Wildlife

The abundant flowers attract pollinators including bees, butterflies, and hummingbirds. The vines provide ground-level nesting and sheltering habitat for small coastal wildlife and ground-nesting birds. [source]

🌿

Salt-Tolerant Groundcover Landscaping

Ornamental

Pohuehue is prized as an ornamental groundcover in coastal gardens and seaside properties where salt spray prevents most plants from thriving. Its pink or purple flowers and attractive foliage add color to harsh coastal environments. [source]

💊

Traditional Hawaiian & Pacific Medicine

Medicinal

In Hawaiian traditional medicine (Lā'au Lapa'au), pohuehue leaves and roots were used to address skin conditions and as a mild laxative. Various Pacific Island cultures employed it for similar therapeutic purposes. [source]

🍳

Edible Leaves & Tubers

Culinary

In some Pacific Island and Asian cuisines, young pohuehue leaves are eaten as a vegetable, and the root tubers are occasionally consumed as a starchy food. Both are boiled or steamed for consumption. [source]

This is not medical advice. LizPlants is not a medical resource. Always consult a qualified healthcare professional before using plants medicinally.

Harvest Tips

Seeds can be harvested when capsules turn brown and dry on the plant (typically 4-6 weeks after flowering). Collect mature seed pods, allow to dry completely indoors, then extract seeds. Fresh seeds germinate more readily. The plant itself is not harvested; it is grown as living ground cover for erosion control and ornamental purposes.

Fun Facts

  • 🌱 Pohuehue is one of the few flowering plants capable of surviving in extremely salty, nutrient-poor sand where it can tolerate salt concentrations that would kill most vegetation.
  • 🌱 The name 'pes-caprae' in its scientific name means 'goat's foot,' referring to the distinctive heart-shaped leaves that resemble goat hoofprints when viewed from above.
  • 🌱 Pohuehue has naturally colonized tropical and subtropical beaches worldwide, making it one of the most geographically widespread coastal vines, found from Hawaii to the Caribbean to Southeast Asia and beyond.

Gardening Terms

New to gardening? Learn about terms used in this guide:

Join 30,000 gardeners planning their gardens with LizPlants.

Get your personalized Pohuehue planting timeline

Tell us your zip code and we'll calculate exactly when to start Pohuehue seeds, transplant seedlings, and harvest — based on your USDA zone and local frost dates. Includes calendar reminders and printable task lists. Free to start.

Get my Pohuehue timeline →