When do Morning Glories Bloom?

rose_is_a_rose(z4 SW Ont)August 6, 2005


I planted some morning glories from seed right into the ground in May (as suggested on the package). They have done well to grow up the fence and trail in some flower boxes but I'm wondering when do they bloom?? I have them in both sunny and shady areas and neither seem to be blooming any time soon..... puzzled

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Just be patient - they will bloom. It takes some cultivars longer to bloom than others. They should start blooming soon

    Bookmark   August 6, 2005 at 8:30PM
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jackied164(z6 MA)

mine are just starting

    Bookmark   August 6, 2005 at 8:47PM
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It's been so hot that I have yet to see one open flower on mine. They only stay open if the day is cloudy and somewhat cooler. Mine have had several blooms already, I just didn't see them until they were spent :(

    Bookmark   August 6, 2005 at 11:32PM
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hi everybody,
this has been an ongoing topic on the vines forum for about a month. i guess it depends on many factors but what i've learned this season re MGs from all the great contributors are the following:
*they can take up to even 120 days to bloom from time when sowed, though most people have had blooms after 1.5 - 2 months.
* they don't like fertilizer!
* too much water will only postpone blooms so for those of us in very hot climates (like me) this means locking away the sprinkler every time you get the urge to give them a drink.Even when they are looking pathetically wilty and you don't get it since you watered the day before.
* evidently, MGs in baskets bloomed earlier.
* just when you think it will never bloom and begin to regret the whole endeavour, it does!!!!!
* MOST IMPORTANT OF ALL: Significantly increase gardeners' daily intake of patience. The wait is well worth it!

one of mine has JUST started after nearly reaching the sky (planted at the end of May) and the other (sowed in june) will soon.
all the best,
ps. Rose- some are in shady places? as far as i know, they require sun...

    Bookmark   August 7, 2005 at 3:34AM
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LindaMA(MA z5)

I am growing two different varieties of Morning Glorys, the first one Grandpa Otts has been blooming practicaly since I potted the seedlings in containers on my balcony but the 2nd variety, Heavenly Blue, has not yet made an appearance but I have foliage and vines everywhere and they appear to be very healthy. I was told that Heavenly Blue's take a lot longer to bloom than most other varieties, so it just depends on which kind you are growing. Be patient, they will bloom for you.

    Bookmark   August 8, 2005 at 9:37AM
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ImaHockeyMom(SW Mich--Zone 5)

I'm in Zone 5 and I've only had blooms for about two weeks now.

With the significantly hotter summer this year, I'm noticing that the blooms don't last nearly as long this year compared to last year. Last year I'd still have blooms at lunchtime when I went down by the pool, but they're all gone by lunchtime now.

Just remember: Don't Water and Don't Fertilize!!!

    Bookmark   August 9, 2005 at 10:53PM
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Eliza_ann_ca(zone 6 ont ca)

Mine just started to bloom this week,here's a few of the blooms this morning...

Eliza Ann

    Bookmark   August 10, 2005 at 9:59AM
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cindy528(z7 NJ)

Eliza, what is the name of that second MG, I love the colors. Thanks. Cindy

    Bookmark   August 10, 2005 at 7:14PM
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Eliza_ann_ca(zone 6 ont ca)

I thought the seed pack was labeled Heavenly blue,but it's nothing like the Heavenly blues that I've grown in previous years.They were larger and a different shade of blue altogether.Unfortunately I threw the seed pack away,so I'll have to be sure and save the seeds from this one.The blue is so intence and has that yellow centre that seems to glow as you can see.

Eliza Ann

    Bookmark   August 10, 2005 at 9:46PM
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ImaHockeyMom(SW Mich--Zone 5)

Looks like Grandpa Otts to me..... beautiful!

    Bookmark   August 11, 2005 at 1:05PM
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When/how often should HB MGs be watered? Since reading not to water on this forum a few weeks ago, I only sparingly give them water when the top leaves start to wilt.
Still, I'm not getting much in the way of blooms. Maybe 3 or 4 flowers since repotting. I have noticed more buds though, but they never seems to develop into flowers.
I'm wondering if I started off wrong. I began with six tiny plants, and repotted three each in two big plastic tubs/pots. I replanted three plants end May/early June, and the other three at the end of June.
Before I repotted, I drenched them every day, and also really soaked them the first few weeks after repotting. I live in NY and did this because my neighbor, who grows MGs beautifully every year, told me her roots get huge and she can never give hers enough water. Hers are always sopping wet and bloom beautifully.
The only difference I can see is that hers are in clay pots, and mine are in plastic. She also has a fence which they crawl on, and my "trelles" is too small, so they've been growing on top of each other, in a big upright u-shape. Could this be preventing flowers? Both my pots get plenty of sun and the leaves are huge, like big grape leaves.
thanks all!

    Bookmark   August 7, 2006 at 12:20PM
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shapiro(5a Ontario)

Have been growing Granpa Ott morning glories for years and they bloom early and also self-seed really well. Have not planted them for years yet they come up each spring in a pair of whiskey barrels on my patio (southern exposure). They began blooming weeks and weeks ago. In the fall, when I clean them out, I save lots of seed and store in small envelopes to give away to my gardening buddies for Christmas or whenever.

    Bookmark   August 16, 2006 at 9:09PM
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I found some cool variegated MG's this year. Now I don't mind waiting for the blooms, the foliage is great. Around here, I usually don't get MG blooms til September.

    Bookmark   August 20, 2006 at 8:20PM
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maidinmontana(Zone 5 Billings MT)

This is the 2nd year, not concesutive, that I have grown MG's. The first I put in a brick planter on my front (covered porch), they grew and had a few flowers, but I think I only planted a few seed packs. This year. . . I broke all the rules according to this post. . . I put 5 FIVE ! ! ! packs in a bed right by my front steps, there were hostas there when I sowed the seeds (I moved them to shade) so the seeds were kinda in groups when they sprouted. Soon they grew into small mounds, then I realized I needed to give them something to grow on so I put bamboo stakes in the ground right behind each mound, I never got around to tieing string for support, so they grew up the bamboo, literally in ropes, intwined together, one got so heavy the bamboo broke ! Now late Aug, they are spawling on the sidewalk, they have been blooming since early july, each mound is over 4' tall and three mounds fill a narrow 5'long bed so the ground never sees sunlight.They are in kinda rocky ground, full hot afternoon sun, I soak them everyday with a spray nozzle on my hose, and every morning I have at least 30 flowers, but they close as soon as the direct sun hits them. I think mine are heavenly blue. I like the look of them, but I think I would have done it different had I known. Maybe next time not as many seeds, and prepare for climbing.

    Bookmark   August 24, 2006 at 11:51AM
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rose_is_a_rose(z4 SW Ont)

As the starting post of this message I have to say patience does work.... not long after my post my MG's starting putting on a beautiful show for me every morning... I plucked seeds and planted them in Feb. in the house and had them blooming in April in the house before I planted them outside... I have two very large (up a six foot fence) patches and they are again putting on quite a show.... I find the ones in the shade aren't blooming as well yet and any that I put in pots don't seem to be as nice or have the big large leaves like ones sown into the ground.

    Bookmark   August 24, 2006 at 12:04PM
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I have had a lot of success growing morning glories, using lots of fertilizing and lots of watering, twice a day morning and evenings.
My morning Glories do bloom later than many of my neighbors,
but mine have lush large leafs, tons of blooms and are still
blooming in late September and early November.

    Bookmark   July 7, 2009 at 12:14PM
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I planted both heavenly blue mg's and moon flowers end of May in pots.

I think I might finally be seeing little buds on them. Could somebody describe what one of the buds look like when they first emerge?

I can see pictures of buds just about to open but I havent been able to find a pic of a beginning bud.

    Bookmark   August 18, 2009 at 5:10PM
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newbie_in_nj(6b E/Central NJ)

Link takes you to photo of early bud on wild (invasive) MG.

In the upper left of photo you can see the kind of squared early bud with indentations and little tip.

The one farthest upper left is what mine look like, more or less, on Heavenly Blue.

They're in little clusters of varying numbers of buds.

Here is a link that might be useful:

    Bookmark   August 18, 2009 at 11:31PM
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Ipomoea tricolor (a variety is Heavenly Blue) is a late summer bloomer. Ipomoea purpurea (a variety is Grandpa Ott's) flowers all summer long.
Ipomoea nil (a variety is Scarlett O'Hara) makes flowers as early as the end of July but the big flower show is in mid-August to end of September.

It is a misconception that all morning glories like poor soil and that fertilizer will inhibit flowering in all morning glory species. Ipomoea nil should receive a balanced fertilizer to perform well. Ipomoea purpurea should receive no fertilizer if you are growing the plant in medium with good soil life in it.

    Bookmark   February 11, 2013 at 9:52AM
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