Japanese Morning Glory 'Double Blue Picotee'

Ipomoea nil

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



Vines and Climbers

Water Requirements:

Average Water Needs; Water regularly; do not overwater

Sun Exposure:

Full Sun


Grown for foliage

Foliage Color:

Unknown - Tell us


4-6 ft. (1.2-1.8 m)


9-12 in. (22-30 cm)

12-15 in. (30-38 cm)


Not Applicable

Where to Grow:

Can be grown as an annual

Suitable for growing in containers


Seed is poisonous if ingested

Bloom Color:


Bloom Characteristics:

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

Bloom Size:

Unknown - Tell us

Bloom Time:

Mid Summer

Late Summer/Early 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)

Patent Information:

Unknown - Tell us

Propagation Methods:

From seed; direct sow outdoors in fall

From seed; stratify if sowing indoors

From seed; sow indoors before last frost

From seed; direct sow after last frost

Self-sows freely; deadhead if you do not want volunteer seedlings next season

Seed Collecting:

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


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

Phoenix, Arizona

Elk Grove, California

Twin Falls, Idaho

Milan, Illinois

Baker, Louisiana

Ellicott City, Maryland

Halifax, Massachusetts

Brooklyn, New York

Dundee, Ohio

Bangor, Pennsylvania

Summerville, South Carolina

Lafayette, Tennessee

Jacksonville, Texas

Plano, Texas

Shepherd, Texas

Kalama, Washington

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Gardeners' Notes:


On Sep 9, 2019, rodneych from Hollister, ID wrote:

I have tried 3-4 times to grow these M.G. and finally got one to grow in a conainer. I had done the24 he soak and planted most of them along a fence that had Grandpa Ott plus 2 other type that I had planted years before an had come back as volunteers. These were already coming up and simply outgrew the Picotee. I noticed an unidentified vine growing in my rose pot. I let it grow then contacted Outsidepride, where I bought the seed from. They helped me identify it because the leaves looked so much different than the other M.G. It has grown up a chain I hooked to my post. However I don't think it will blossom as it is getting close to our frost season. I may tack up clear plastic to prolong its life as I want to see what color it is. I had planted Blue, red, and a black morning... read more


On Nov 21, 2012, nishabindu from Trichy,
India wrote:

I planted morning glory...soaked seed overnight...and then sowed em...seedling came out in 3 days...bit now they wont grow beyond that..their stem r long and have ony two small leaves...thy grow beyond thaydopls help...


On Apr 19, 2008, Taranado from Milan, IL wrote:

I grow these as an annual by seed. You have to soak the seeds for 24 hours before planting them, that breaks the seed pod that the actual seed is encased in. After 3 years I notice it does get bigger, I take seeds off of my own plant and every year the number of seeds has steadily increased. Also the double blooms (mostly single blooms the first year) become more pronounced. It just takes time to establish.


On Nov 30, 2006, romandoguinn from Albany, CA (Zone 10a) wrote:

I was really quite unimpressed with these; maybe I just had a bad batch of these or something. I got them in a trade; maybe they weren't labeled correctly, but they said 'double blue picotee'. I planted them, and waited and waited and waited (you get the picture) and finally, like 5 months later, when I'd forgotten I'd planted them, I noticed these weird purplish blue things in one of my containers. I thought it was a piece of paper or something...The plants had finally sprouted, but never vined out at all, and were blooming on tiny 3" tall bushes. They're definately morning glories allright, but the whole plant was honestly about the size of a bedding pansy. Like from a six pack. Don't get me wrong, I love morning glories, and will grow them again, just not this variety. I must say... read more


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

Love this little glory; mine's in a pot [since June]. sun and shade. But very few flowers grow. Maybe 2-4 at a time and not daily. But this was the first yr. I had luck w/them and will hopefully grow them next year too! Love the color!


On Jul 5, 2005, QueenB from Shepherd, TX (Zone 8b) wrote:

My seeds sprouted very quickly, although they haven't grown as fast as some others. The vines are more delicate, but still just as hardy as other JMG types. The vine readily branches out and produces flowers willingly, mostly in doubles, but occasional singles do occur. This particular morning glory does better when planted in partial shade.


On Sep 1, 2002, Crimson from Clarksville, TN (Zone 6b) wrote:

Not the common heart shaped Morning Glory type foliage, forked like Japanese MG... Perhaps it is a Japanese type. Commercial packaged seeds... not very good germination. Thinner vine than common MG. Some vines varagated leaf, others not... both flowers the same. Can not compete with other MG, quickly swallowed up. Inspite of the name "Double Blue Picotee" the flowers are often not double, and sometimes the double is on the same vine as the singles.