Photo by Melody

PlantFiles: Tall Morning Glory
Ipomoea purpurea

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

Synonym:Convolvulus purpureus
Synonym:Ipomoea hirsutula
Synonym:Ipomoea purpurea var. diversifolia
Synonym:Pharbitis purpurea

2 vendors have this plant for sale.

41 members have or want this plant for trade.

Vines and Climbers

12-15 ft. (3.6-4.7 m)
15-20 ft. (4.7-6 m)
20-30 ft. (6-9 m)
30-40 ft. (9-12 m)

15-18 in. (38-45 cm)

Not Applicable

Sun Exposure:
Full Sun
Sun to Partial Shade

Seed is poisonous if ingested

Bloom Color:

Bloom Time:
Mid Summer
Late Summer/Early Fall


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)

Patent Information:

Propagation Methods:
From seed; sow indoors before last frost
From seed; direct sow after last frost

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

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5 positives
No neutrals
2 negatives

Gardeners' Notes:

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 ransom3 On Feb 18, 2012, ransom3 from Zephyrhills, FL wrote:

I love morning glories. I find it unfortunate that some people blame the vigorous nature of this beautiful flower instead of their own lack of planning in choosing where to grow it for their EXTREME dissatisfaction. Basically, most morning glories are very easy to grow, but where you decide to plant them should be concern number one.

Positive khabbab On Jul 13, 2009, khabbab from lahore
Pakistan (Zone 10b) wrote:

This is a perennial here in lahore pakistan specially if winter cared. It blooms heavily in August-September but in some areas has longer blooming season. It is one of fastest vines i have ever grown. The ones in soil bed are much faster and vigorous than those in clay pot. Blooms open in early morning and closes at noon. Does not need much fertilizer and water to flower. Forget it if you want blooms.

Positive njarratt On Nov 25, 2008, njarratt from London + Italy
United Kingdom wrote:

I grow this in Southern Italy - now in its 4th year, self-sown volunteers now pop up. 3 seedlings moved to a new area this year covered the whole of it in no time at all! It CAN be invasive, but the seedlings are easy to recognise and I just pull most out as soon as I see them. Leaving 3 or 4 to an area is enough and I put a net up behind them for support. I have only just cut them down now, even though they are still in flower and we've not had frosts yet (and often don't), simply because I wanted to collect the seeds this year rather than let them fall to the ground. I've had loads to give away or swap, which is nice. I use cheap netting and cut the whole thing down, rather than try and extricate the dying vines from the netting.

In summary, great for covering an unsightly area or even just for adding colour to a plain wall. They will trail over walls prettily, but will strangle other plants if not allowed to climb or given support. Great for hot areas - they don't need much water. I have them in one zone with no water/irrigation at all and they die off in August, when it gets too hot. They then regroup and were in flower again in November, when it got cooler. In fact, they are the only thing that will grow in my 'dry' areas other than roses and alyssum.

Negative jdiaz On Dec 11, 2007, jdiaz from Chowchilla, CA wrote:

It is commonly sold in Home Depot and other nurseries, where it's blooms last all day long because they are growing under shade cloths. Alough the blooms are nice, they dont last long out in the real world (outside of the nursery where they aren't under a shade cloth). In our 100+ degree summers the blooms fold up by 9 in the morning, and the rest of the day you're looking at a bunch of shaggy looking leaves. It is also etremely invasive and once you have it in your harden once, it is nearly impossible to get rid of. It is very prone to getting aphids and a load of other parasites and rambles over EVERYTHING, including brick walls, reseeding itself everywhere. Unless you live in a climate where frost and freezes can help you control this vine and where the temperature isnt 80 degrees as soon as the sun rises, you shouldnt plant this invasive vine.

Positive ByndeweedBeth On Sep 10, 2007, ByndeweedBeth from scio, oregon, OR (Zone 8a) wrote:

While this plant can be invasive in areas that don't freeze, it is normally a well behaved vine in most of the country. If I had to choose only one plant to have in my garden, this is it.

Negative Gabrielle On Aug 14, 2007, Gabrielle from (Zone 5a) wrote:

If this plant is allowed to go to seed even once, you'll battle it for years ... especially if it is on a neighbor's fence and they don't help you battle it!


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

Amesti, California
Apple Valley, California
Chowchilla, California
El Cajon, California
El Sobrante, California
Elk Grove, California
Los Angeles, California
Martinez, California
Redding, California
San Diego, California
Wilmington, Delaware
Hollywood, Florida
Lakeland, Florida
Zephyrhills, Florida
Cornelia, Georgia
Demorest, Georgia
Chicago, Illinois
Washington, Illinois
Fort Wayne, Indiana
Macy, Indiana
Melbourne, Kentucky
Prince Frederick, Maryland
Dearborn Heights, Michigan
Nashua, New Hampshire
Rock Tavern, New York
Lexington, North Carolina
Mars Hill, North Carolina
Fargo, North Dakota
Cincinnati, Ohio
Dundee, Ohio
Scio, Oregon
Millersburg, Pennsylvania
Portsmouth, Rhode Island
Summerville, South Carolina
Hendersonville, Tennessee
Lafayette, Tennessee
Plano, Texas
Shepherd, Texas
Victoria, Texas

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