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PlantFiles: Tall Morning Glory
Ipomoea purpurea 'Joyce Cobb'

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Family: Convolvulaceae (kon-volv-yoo-LAY-see-ee) (Info)
Genus: Ipomoea (ip-oh-MEE-a) (Info)
Species: purpurea (pur-PUR-ee-uh) (Info)
Cultivar: Joyce Cobb

16 members have or want this plant for trade.

Category:
Annuals
Vines and Climbers

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

Sun Exposure:
Full Sun
Sun to Partial Shade
Light Shade

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
Mid Fall
Late Fall/Early Winter
Blooms repeatedly

Foliage:
Velvet/Fuzzy-Textured

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
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:
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

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

Click thumbnail
to view:

By OhioBreezy
Thumbnail #1 of Ipomoea purpurea by OhioBreezy

By OhioBreezy
Thumbnail #2 of Ipomoea purpurea by OhioBreezy

By OhioBreezy
Thumbnail #3 of Ipomoea purpurea by OhioBreezy

By poppysue
Thumbnail #4 of Ipomoea purpurea by poppysue

By Gourd
Thumbnail #5 of Ipomoea purpurea by Gourd

By Gourd
Thumbnail #6 of Ipomoea purpurea by Gourd

By rh3708
Thumbnail #7 of Ipomoea purpurea by rh3708

There are a total of 12 photos.
Click here to view them all!

Profile:

5 positives
No neutrals
No negatives

Gardeners' Notes:

RatingAuthorContent
Positive Jenniewren On Sep 1, 2014, Jenniewren from Temple City, CA wrote:

I have a lovely Blue Morning Glory in a small opening by my Front Door. Full Sun, not much water. Love it. Many have wanted seed but when I open the bottom of the flower where seeds usually are, there is nothing.

Any ideas why no seed

Positive zville123 On Oct 25, 2006, zville123 from Zanesville, OH (Zone 6a) wrote:

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 was almost white with light purple markings. Another was a darker purple than the pictures by OhioBreezy. We ran heavy duty fishing line (next time we'll use something heavier) up to an old antenna bracket close to our roof (we live in a 2 story Cape Cod). The MGs scrambled right up to the roof. When we looked out one of the bedroom windows in the AM, we could see a wall of 'Joyce Cobb.' I'll definitely be growing these again. They do seed heavily...all the more to share with our neighbors who loved them, too!

Positive rh3708 On Aug 31, 2006, rh3708 from Westmoreland, TN (Zone 7a) wrote:

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 the center makes it jump out at you when you see it growing in the tree in my yard.
Its a keeper in my collection of purpurea that i grow since i came here.

:}
Robbie

Positive Gourd On Aug 30, 2005, Gourd from Mesilla Park, NM wrote:

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

The heat here does almost melt the flowers by 11 AM. But, I feel that if it is grown in a colder climate, the blooms should last open longer.

This one in particular reseeded itself. I will definitely grow alot more of this one if I get seeds.

Positive OhioBreezy On Jul 8, 2004, OhioBreezy from Dundee, OH (Zone 5b) wrote:

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!!

Regional...

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

Elk Grove, 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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