Japanese Morning Glory 'Sazanami'

Ipomoea nil

Family: Convolvulaceae (kon-volv-yoo-LAY-see-ee) (Info)
Genus: Ipomoea (ip-oh-MEE-a) (Info)
Species: nil (nil) (Info)
Cultivar: Sazanami
Additional cultivar information:(aka Ripples)



Vines and Climbers

Foliage Color:

Unknown - Tell us

Bloom Characteristics:

This plant is attractive to bees, butterflies and/or birds

Water Requirements:

Average Water Needs; Water regularly; do not overwater

Where to Grow:

Suitable for growing in containers


4-6 ft. (1.2-1.8 m)

6-8 ft. (1.8-2.4 m)

8-10 ft. (2.4-3 m)

10-12 ft. (3-3.6 m)


3-6 in. (7-15 cm)

6-9 in. (15-22 cm)

9-12 in. (22-30 cm)


Not Applicable

Sun Exposure:

Full Sun

Sun to Partial Shade

Light Shade


Seed is poisonous if ingested

Parts of plant are poisonous if ingested

All parts of plant are poisonous if ingested

Bloom Color:

Light Blue

Medium Blue

Bloom Time:

Mid Spring

Late Spring/Early Summer

Mid Summer

Late Summer/Early Fall

Mid Fall




Other details:

May be a noxious weed or invasive

Soil pH requirements:

6.1 to 6.5 (mildly acidic)

6.6 to 7.5 (neutral)

7.6 to 7.8 (mildly alkaline)

Patent Information:

Unknown - Tell us

Propagation Methods:

From seed; direct sow outdoors in fall

From seed; winter sow in vented containers, coldframe or unheated greenhouse

Direct sow as soon as the ground can be worked

From seed; sow indoors before last frost

From seed; direct sow after last frost

From seed; germinate in a damp paper towel

From seed; germinate in vitro in gelatin, agar or other medium

Scarify seed before sowing

Seed Collecting:

Allow pods to dry on plant; break open to collect seeds

Allow seedheads to dry on plants; remove and collect seeds

Properly cleaned, seed can be successfully stored


This plant has been said to grow in the following regions:


Carmichael, California

Brooksville, Florida

Sebastian, Florida

North Augusta, South Carolina

Lafayette, Tennessee

Franklin, Wisconsin

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Gardeners' Notes:


On Apr 4, 2008, onalee from Brooksville, FL (Zone 9a) wrote:

The name Sazanami is translated as follows (thanks to Yasmi in Tokyo!):

"Saza" means small, tiny. "nami" means wave. Sazanami is not big waves but small and calm waves near the beach. The waves that are breaking near the beach and they make white bubbles at the edge of the waves. The flower color, blue with white margin, represent the small waves and bubbles - the RIPPLES upon the sand of the beach. Thus the name "RIPPLES"

There are actually more than one Japanese Morning glory called Sazanami and they are slightly different from different companies.

From the Nichinou Company the flowers call Sazanami are blue with a white throat, white edging and some white stripes.

From the Fukukaen Company the Sazanami are a deeper blue with ... read more