Photo by Melody

PlantFiles: Japanese Morning Glory
Ipomoea nil 'Akatsuki no Umi'

Family: Convolvulaceae (kon-volv-yoo-LAY-see-ee) (Info)
Genus: Ipomoea (ip-oh-MEE-a) (Info)
Species: nil (nil) (Info)
Cultivar: Akatsuki no Umi

One vendor has this plant for sale.

9 members have or want this plant for trade.

Vines and Climbers

12-15 ft. (3.6-4.7 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:
Dark Blue

Bloom Time:
Mid Spring
Late Spring/Early Summer
Mid Summer
Late Summer/Early Fall
Mid Fall
Late Fall/Early Winter

Grown for foliage

Other details:
May be a noxious weed or invasive
This plant is attractive to bees, butterflies and/or birds
Flowers are fragrant
Average Water Needs; Water regularly; do not overwater
Suitable for growing in containers

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:

Propagation Methods:
From seed; sow indoors before last frost
From seed; direct sow after last frost

Seed Collecting:
Allow seedheads to dry on plants; remove and collect seeds
Properly cleaned, seed can be successfully stored

Click thumbnail
to view:

By WillowWasp
Thumbnail #1 of Ipomoea nil by WillowWasp

By WillowWasp
Thumbnail #2 of Ipomoea nil by WillowWasp

By busybee
Thumbnail #3 of Ipomoea nil by busybee

By OhioBreezy
Thumbnail #4 of Ipomoea nil by OhioBreezy

By Buttoneer
Thumbnail #5 of Ipomoea nil by Buttoneer

By OhioBreezy
Thumbnail #6 of Ipomoea nil by OhioBreezy

By Gerris2
Thumbnail #7 of Ipomoea nil by Gerris2

There are a total of 13 photos.
Click here to view them all!


5 positives
No neutrals
No negatives

Gardeners' Notes:

Positive AshuraLiu On Sep 6, 2006, AshuraLiu from Taipei
Taiwan wrote:

[English is not my native language:)]

'Akatsuki no Umi' means "sea of dawn" in Japanese.
Many Japanese MGs have huge blooms , almost too huge to maintain the petals by itself. So it's better NOT let it climb and crawl freely , that will often make the flowers come out to be imperfect-shape or broken-petal.

Try to "disbud" the top when the plant has 10 leafs.This will control its invasive vines and keep it short. Also those side-vines which grows out later will bloom more than the original main vine.

These fit almost every kind of huge-bloom Japanese MGs.

by M.G.-lover come form Taiwan

Positive Texasbloomer On Sep 18, 2005, Texasbloomer from Plano, TX wrote:

Ah, this vine took off well from seed-in-ground early May. First bloom appeared mid Aug. and there are more everyday. Vine is about 6' and produces a dozen or so blooms daily. Some blooms (like most Jap. MG's) bloom near the ground and others are over the 5' wall.
Mine look just like the photo from Gerris2. Such a deep, rich color. One of my favorites.

Positive theresamendoza On Oct 25, 2004, theresamendoza from Hesperia, CA (Zone 8a) wrote:

This morning glory is a beautiful 3-4 inch bloomer in my zone 8 area.
It blooms only in the fall. This year, the plant returned in late September and is blooming beautifully but the vine only grows about 5-6 foot in my yard. It is in an area that only gets about 4 hours of sun.
I don't remember sewing it myself but I love it in contrast to the smaller violet and light colored ones I get in my back yard.

Positive WillowWasp On Oct 23, 2004, WillowWasp from Jones Creek, TX (Zone 9a) wrote:

One of the most beautiful of the Blue Morning Glories, Dark Blue Skirt with a white throat, and not a hint of another color.This one is electric looking it is soooo blue. I will plant it again and again, it bloomed all summer and well into fall even in the Texas heat.

Positive OhioBreezy On Sep 14, 2004, OhioBreezy from Dundee, OH (Zone 5b) wrote:

Stunningly blue!!! with a gorgeous white throat. This one is a definite climber, huge 4-6 inch blooms that grab your attention!


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

Carmichael, California
Elk Grove, California
Hesperia, California
Jacksonville, Florida
Barbourville, Kentucky
La Place, Louisiana
Ellicott City, Maryland
Mathiston, Mississippi
New Milford, New Jersey
Dundee, Ohio
Ronks, Pennsylvania
Westmoreland, Tennessee
Brazoria, Texas
Freeport, Texas
Plano, Texas
Round Rock, Texas

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