Tall Morning Glory 'Joyce Cobb'

Ipomoea purpurea

Family
Convolvulaceae (kon-volv-yoo-LAY-see-ee)
Genus
Ipomoea (ip-oh-MEE-a)
Species
purpurea (pur-PUR-ee-uh)
Synonym
Sun Exposure
Full Sun
Sun to Partial Shade
Light Shade
Foliage
Succulent
Height
4-6 ft. (1.2-1.8 m)
6-8 ft. (1.8-2.4 m)
8-10 ft. (2.4-3 m)
Spacing
3-6 in. (7-15 cm)
6-9 in. (15-22 cm)
Hardiness
Not Applicable
Danger
Seed is poisonous if ingested
Bloom Color
Fuchsia (red-purple)
Blue-Violet
White/Near White
Bloom Time
Late Spring/Early Summer
Mid Summer
Late Summer/Early Fall
Blooms repeatedly
Other Details
Category
Annuals
Vines and Climbers
Water Requirements
Average Water Needs; Water regularly; do not overwater
Foliage Color
Where to Grow
Can be grown as an annual
Bloom Characteristics
This plant is attractive to bees, butterflies and/or birds
Bloom Size
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)
7.6 to 7.8 (mildly alkaline)
Patent Information
Non-patented
Propagation Methods
From seed; direct sow outdoors in fall
From seed; winter sow in vented containers, coldframe or unheated greenhouse
Direct sow as soon as the ground can be worked
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
Scarify seed before sowing
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
Allow seedheads to dry on plants; remove and collect seeds
Properly cleaned, seed can be successfully stored
Regional

This plant is said to grow outdoors in the following regions:

Elk Grove, California

Grass Valley, California

Moreno Valley, California

San Diego, California

Temple City, California

Zephyrhills, Florida

Tower, Minnesota

Carson City, Nevada

Mesquite, New Mexico

Dundee, Ohio

Zanesville, Ohio

Lafayette, Tennessee

Plano, Texas

Chesapeake, Virginia

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Gardener's Notes:

4
positives
0
neutral
0
negative
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Z
Zanesville, OH (Zone 6a) | October 2006 | positive

I grew 4 'Joyce Cobbs' this year. Two looked like OhioBreezy's pictures (probably because I did get some of the seeds from her LOL). One ...Read More

R
R
Westmoreland, TN (Zone 7a) | August 2006 | positive

I have grown this MG for 2 years now and it's one that turns heads every time.
The bloom is small 2 1/2 inches but the white in th...Read More

G
G
Mesilla Park, NM | August 2005 | positive

This is real gem of a Morning Glory. It makes such a splash and just stops you in your tracks.

The heat here does almos...Read More

O
Dundee, OH (Zone 5b) | July 2004 | positive

A very pretty bloomer, starts out darker purple in color with dots, as it "fades" it is more of a pretty pinkish color wth spots, lovely!!

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