Photo by Melody

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

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

One vendor has this plant for sale.

5 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:
Sun to Partial Shade
Light Shade

Seed is poisonous if ingested
Parts of plant are poisonous if ingested

Bloom Color:

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:
Unknown - Tell us

Propagation Methods:
From seed; stratify if sowing indoors
From seed; sow indoors before 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 OhioBreezy
Thumbnail #1 of Ipomoea nil by OhioBreezy

By OhioBreezy
Thumbnail #2 of Ipomoea nil by OhioBreezy

By QueenB
Thumbnail #3 of Ipomoea nil by QueenB

By henryr10
Thumbnail #4 of Ipomoea nil by henryr10

By henryr10
Thumbnail #5 of Ipomoea nil by henryr10

By EmmaGrace
Thumbnail #6 of Ipomoea nil by EmmaGrace

By zemerson
Thumbnail #7 of Ipomoea nil by zemerson

There are a total of 15 photos.
Click here to view them all!


2 positives
1 neutral
No negatives

Gardeners' Notes:

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

Wonderful vine. I started very late, in a huge pot; it is over the wall and started blooming late Aug. Only 3-4 blooms a day but so pretty. Mine are the same as the photos from OhioB and QueenB. 6' and vine is super healthy.
Will start e a r l i e r next year!
Lovely bloom; different color from most deep shades.

Neutral QueenB On Jun 28, 2005, QueenB from Shepherd, TX (Zone 8b) wrote:

The flowers are absolutely gorgeous, but because they're so big and heavy, they're prone to get beat up by the slightest breeze, and will stick to leaves and other objects very easily. It also has a tendency to flop over under it's own weight. The best time to view this one is early in the morning when it opens before it gets abused!

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

Very pretty purple in color, also very delicate bloom!! Shelter this one from the wind if you want to see a fully nice bloom


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

Elk Grove, California
Cincinnati, Ohio
Dundee, Ohio
Lafayette, Tennessee
Brazoria, Texas
Freeport, Texas
Plano, Texas
Shepherd, Texas

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