Photo by Melody

PlantFiles: Morning Glory, Grannyvine
Ipomoea tricolor 'Blue Star'

Family: Convolvulaceae (kon-volv-yoo-LAY-see-ee) (Info)
Genus: Ipomoea (ip-oh-MEE-a) (Info)
Species: tricolor (TRY-kull-lur) (Info)
Cultivar: Blue Star

2 vendors have this plant for sale.

19 members have or want this plant for trade.

Vines and Climbers

8-10 ft. (2.4-3 m)
10-12 ft. (3-3.6 m)
12-15 ft. (3.6-4.7 m)

15-18 in. (38-45 cm)
18-24 in. (45-60 cm)

Not Applicable

Sun Exposure:
Full Sun
Sun to Partial Shade

Seed is poisonous if ingested

Bloom Color:
Light Blue

Bloom Time:
Mid Summer
Late Summer/Early Fall

Grown for foliage

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

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
Scarify seed before sowing

Seed Collecting:
Allow pods to dry on plant; break open to collect seeds
Properly cleaned, seed can be successfully stored

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7 positives
2 neutrals
No negatives

Gardeners' Notes:

Positive BUFFY690 On Sep 8, 2011, BUFFY690 from Prosperity, SC (Zone 7b) wrote:

Have had this one and star of yelta bloom from my Burpee'Celestial mix'...The stems on this one has shark toothed protrusions from one side of the vine. Not thorny by no means just an interesting observation.

Positive DMgardener On Oct 2, 2009, DMgardener from (Daniel) Mount Orab, OH (Zone 6b) wrote:

This plant is vigorous! And so floriferous! I love it! I planted just one seed about late April, it started growing, very slowly.......

When its first bloom appeared, it had grown very slowly, less than 5ft. of vine.
Now, it encompasses a 15'X15' area, and a week ago had more than 500 blooms!!! It now has "eaten" 2 new Southern Magnolias, a 'President Tyler' MG, 7 Tithonia 'Torch', several Love-in-the-mist plants, 1 small orange nasturium, and 6 dahlias!:((( And it is reaching out further to other gardens!
Other wise, this is by far the best plant for covering a large area for 1 growing season.

Will update and report on self-sowing.

Positive Lenny59 On Jul 14, 2007, Lenny59 from Medford, OR (Zone 8a) wrote:

Received from a commercial source, sold as 'Flying Saucers'. Not what I was looking for, but just lovely! I have them combined in a "light pink-hot pink-pale blue" combo. They are a little later to bloom than the other two, and the seeds are a medium-brown color, rather slow to germinate.

Positive ipomoeadude On May 21, 2007, ipomoeadude from Accokeek, MD wrote:

I have grown these several times, usually as part of a quartet with 'Heavenly Blue', 'Pearly Gates', and 'Flying Saucers'.

I think I prefer them on their own; the flowers are really beautiful but can look a little washed-out in comparison to the brighter or whiter blooms of other I. tricolor cultivars. I honestly don't remember where I got the seeds, but each time the seeds were distinctly lighter-colored than those of other morning glories. Unless you've harvested them yourself, I'd be wary of counting on dark seeds generating true Blue Star blooms.

Neutral RON_CONVOLVULACEAE On Dec 12, 2005, RON_CONVOLVULACEAE from Netcong, NJ (Zone 5b) wrote:

I am aware of two slightly different forms of this cultivar, the earlier form having light beige seeds and a later form having dark brown to black seeds that I first saw circa 1988.

This cultivar looks exactly like the 'missing in action' Ipomoea tricolor 'Summer Skies', except for the darker star coloration to the folds. 'Summer Skies' had no pigmentation to the corolla folds as it apparently lacked the gene for spotting as described by Dr. Yoneda on his authoritative listing of morning glory genes and their function relative to morning glory plant pigmentation.

Positive QueenB On Jul 9, 2005, QueenB from Shepherd, TX (Zone 8b) wrote:

I also bought these as 'Flying Saucers' (even with the correct photo on the front of the package!), and ended up with a pleasant surprise. I actually planted both, in separate areas, but only these survived to flourish abundantly. These have done as well as my 'Pearly Gates' did last year, taking over a portion of the fence and producing lots of buds.

Positive htop On Sep 21, 2003, htop from San Antonio, TX (Zone 8b) wrote:

San Antonio, Tx.
I had never seen this variety until last week when I spotted one on a fence in my neighborhood. Thanks for providing its identity. It is certainly a sight to behold.

Positive MusaRojo On Sep 21, 2003, MusaRojo wrote:

I purchased seeds labeled 'Flying Saucers' and had 'Blue Star' grow instead. Six weeks after the seeds germinated the two vines were 30 feet each, heavily branched, and covered with thousands of buds. They get bright shade in the morning with afternoon sun, and the flowers last until 3 PM or later. I have 50 to 100 flowers open on any given day; several of my neighbors have asked me to save seed for them. Because I live in California zone 10, this plant should continue to bloom for me into December and perhaps beyond. This is an outstanding plant that I would recommend for anyone who has the space to accommodate a large free-blooming vine.

Neutral Terry On Jul 31, 2003, Terry from Murfreesboro, TN (Zone 7a) wrote:

Sometimes incorrectly sold as 'Flying Saucers', this variety has soft blue flowers with darker blue markings; not the blue/white "splashed" look of 'Flying Saucers'


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

Elk Grove, California
Menifee, California
San Juan Capistrano, California
Temecula, California
Hollywood, Florida
Jacksonville, Florida
Melbourne, Florida
Sebastian, Florida
Barbourville, Kentucky
Durham, Maine
Minneapolis, Minnesota
Natchez, Mississippi
Haledon, New Jersey
New Bern, North Carolina
Medford, Oregon
Bangor, Pennsylvania
Olyphant, Pennsylvania
Prosperity, South Carolina
Bulverde, Texas
Plano, Texas
San Antonio, Texas
Shepherd, Texas
Kalama, Washington
Seattle, Washington

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