Photo by Melody

PlantFiles: Japanese Morning Glory
Ipomoea nil 'Suigetsu'

Family: Convolvulaceae (kon-volv-yoo-LAY-see-ee) (Info)
Genus: Ipomoea (ip-oh-MEE-a) (Info)
Species: nil (nil) (Info)
Cultivar: Suigetsu

One vendor has this plant for sale.

4 members have or want this plant for trade.

Vines and Climbers

10-12 ft. (3-3.6 m)

3-6 in. (7-15 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:
Medium Blue
White/Near White

Bloom Time:
Blooms repeatedly


Other details:
May be a noxious weed or invasive
This plant is attractive to bees, butterflies and/or birds
Average Water Needs; Water regularly; do not overwater

Soil pH requirements:
6.1 to 6.5 (mildly acidic)

Patent Information:
Unknown - Tell us

Propagation Methods:
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

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to view:

By WillowWasp
Thumbnail #1 of Ipomoea nil by WillowWasp

By WillowWasp
Thumbnail #2 of Ipomoea nil by WillowWasp

By Texasbloomer
Thumbnail #3 of Ipomoea nil by Texasbloomer

By OhioBreezy
Thumbnail #4 of Ipomoea nil by OhioBreezy

By luvsgrtdanes
Thumbnail #5 of Ipomoea nil by luvsgrtdanes


3 positives
No neutrals
No negatives

Gardeners' Notes:

Positive onalee On Feb 2, 2008, onalee from Brooksville, FL (Zone 9a) wrote:

Although literally translated 'water moon' (and often sold as that name), the true meaning of Suigetsu is more along the lines of 'moonlight reflected in the water'.

Positive Texasbloomer On Sep 19, 2005, Texasbloomer from Plano, TX wrote:

My 2nd best (actually tied for first place) Jap.MG. I've ever grown. It grew well on the side of the house I made its home. It grew quickly and heartily to 11 or 12' by late June and the blooms came the first of aug. 20 or 30 a day sometimes. I have a pic. of the entire vine, but it's sideways and I don't know how to correct it so you don't get a neck-kink viewing it. Here's a single bloom, though, and I'll add more later. This vine faces north, northeast and gets morning sun. Passer-byers can't keep from walking through my grass to get an up-close. I can't either! this MG surprised all of us. Hardly any seedpods yet, and the blooms somedays (this past week) have lessened to right under 20 each day. A must for anyone who loves the sky blue. A striking wide white throat and star.

Positive WillowWasp On Jun 1, 2005, WillowWasp from Jones Creek, TX (Zone 9a) wrote:

From a medium to light blue with white to yellow throat and pale white spokes that fade out as the go to the edge. Some blooms don't show the spokes and some have darker spokes that are more prominant.


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

Elk Grove, California
Brooksville, Florida
Dundee, Ohio
Philadelphia, Pennsylvania
North Augusta, South Carolina
Brazoria, Texas
Freeport, Texas
Plano, Texas
Weatherford, Texas

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