vine

Morning Glory

The Story

Plant Bio

Ipomoea tricolor, known as morning glory, is a tender herbaceous climbing vine native to the American tropics. The slender stems spiral counterclockwise around supports without the aid of tendrils, producing alternate, heart-shaped green leaves.

This species is distinguished by its large, trumpet-shaped flowers that open in the morning and fade by afternoon. The blooms typically feature a vibrant blue limb that transitions to a white throat and a yellow tube interior.

Uses & Benefits:

Produces a profusion of large, colorful trumpet-shaped flowers on climbing vines.

Serves as a fast-growing temporary screen or cover for trellises and fences.

Provides nectar for generalist insect pollinators, bees, and occasionally hummingbirds.

Essentials

At a Glance

Plant Type

Vine

Height

118"

Width

71"

Light

Full Sun

Zones

4, 5, 6, 7, 8, 9, 10

Water

Medium

Humidity

High

Lifespan

Annual

Native To

American tropics

Toxicity

Toxic if ingested

Bloom period

Summer – Fall

In flower about 6 months of the year

Planting

How to Grow

Select a planting site in full sun with well-draining sandy loam or loamy soil.
Scarify the hard seed coats by nicking them or pre-soaking the seeds in warm water for 24 hours to accelerate germination.
Sow seeds directly into the garden after all danger of frost has passed, spacing them near a trellis or support.
Water regularly to keep the soil moderately moist until the vines are established, then reduce watering.

Pro Tip

Avoid nitrogen-rich fertilizers, as excess nitrogen forces lush foliage growth at the expense of flower production.

Keep It Thriving

Care Guide

Do

Provide a sturdy trellis, fence, or support for the twining stems to climb.
Ensure the soil drains rapidly to prevent root rot.
Water during extended dry spells to maintain flowering performance.

Don't

Do not over-fertilize, especially with high-nitrogen feeds.
Do not plant in heavy, waterlogged clay soils.
Do not prune the woody base stems unnecessarily.

Seasonal Care Calendar

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

Watch Out For

Pests & Diseases

Common Pests

Common Diseases

In the Garden

Landscape Uses & Companions

Landscape Uses

Trellises and ArborsFences and ScreensContainer Planting

Companion Plants

Passiflora incarnata Clematis occidentalis

Multiply

Propagation Methods

Good to Know

Common Questions

Morning Glory questions

What zones can Morning Glory grow in?

Morning Glory is hardy in USDA Zones 4–10. Inside that range it survives winter in the ground; outside it, grow it as an annual or a container plant you protect.

Is Morning Glory deer resistant?

Not reliably. Deer may browse Morning Glory, especially tender spring growth — plan on repellents or fencing where pressure is high.

When does Morning Glory bloom?

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

Does Morning Glory need full sun?

Morning Glory does best in full sun (6+ hours).

Is Morning Glory drought tolerant?

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