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Morning Glory, Grannyvine 'Summer Skies'

Ipomoea tricolor

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



Vines and Climbers

Foliage Color:

Unknown - Tell us

Bloom Characteristics:

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

Water Requirements:

Average Water Needs; Water regularly; do not overwater

Where to Grow:

Suitable for growing in containers


4-6 ft. (1.2-1.8 m)


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:

Blooms repeatedly




Other details:

Unknown - Tell us

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 herbaceous stem cuttings

From seed; sow indoors before last frost

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

Seed Collecting:

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

Properly cleaned, seed can be successfully stored

N/A: plant does not set seed, flowers are sterile, or plants will not come true from seed


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

Elk Grove, California

Dundee, Ohio

Gardeners' Notes:


On Sep 17, 2009, Rareseedman from Birmingham,
United Kingdom wrote:

***All these photos are COPYRIGHT PROTECTED and OWN THESE PHOTOS and PERMISSION IS NOT GIVEN TO REPRODUCE IN ANY FORMAT I will be watching the internet and Ebay and report any offenders***

Summer Skies` is a very light-blue flowered Ipomoea tricolor. It
was originated, according to Bloomer, by the former McDonald Seed Company of Santa Maria, California. This plant was also grown in the Drug Plant Garden of the University of Rhode Island, and shows no significant difference from the Ipomoea tricolor of Mexican origin; there were 2 forms, one with tan coloured seeds that had no pigmentation on the stems and the dark brown seeded form that has some pigmentation. It was marketed by Darold Decker in 1962.

I have included comparison notes with Blue S... read more


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

I grew the Ipomoea tricolor cultivar "Summer Skies" for 6 years from 1972 through 1977 and it was a charming light blue color that looked EXACTLY(!) like the Ipomoea tricolor cultivar "Blue Star",
but without the gene for spotting,so it had no darker starring in the folds at all.

The seeds of the form that I grew were the same exact pale mustard color as the pale colored seeds of "Blue Star and "Flying Saucers".

The very pale "Heavenly Blue" as seen in the PlantFiles here read more


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

Gorgeous color on this one!! Grows over 12 feet tall!