Problems Growing Morning Glory in a Planter Box

I have 2 problems with my morning glories grown in a planter box. The planter box is 2' wide x 7" x 6'. I followed the seed package instructions and planted 6 seeds, spaced 6" apart. I live in Rocklin, CA (zone 9); the planter box faces west. I can't keep enough water on them. Unless I completely fill the box with water 2 or 3 times a day (such that water comes out the drainage holes), the leaves wilt. I don't recall the species of morning glory, but suspect that I need a species that doesn't root as much, or simply use fewer seeds.

Secondly, my trellis is 6 1/2 high and the vines are growing too high and bunching up on the inside (see photo). Is there a species of morning glory that doesn't grow as high and is better suited for my trellis?

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July 11, 20180 found this helpful

My morning glories spread out so much. I have them on a chain link fence. I didnt plant them; they came from a neighbors yard. I rip them out all the time and they keep coming back. I dont think they are suited for boxes.

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July 12, 20181 found this helpful

I LOVE morning glories!!! They are so versatile. They can be quite invasive...but that is what I love about them. When they fill an otherwise blank space with the lovely purple flowers. I love watching the butterflies dart amongst them.


They are thirsty creatures, so where you have them must have the right (or wrong) combo of wind and sun that is drying them out too fast. Have you tried one of those self watering globes on them? One of my mother's neighbors does that with hers and hers are prolific. I personally don't like the glass ones because we get too much wind and they break...she must have hers anchored well because it has withstood some high wind days. I need to take a peep up close when she isn't home ;)

Anyhow...them growing too tall is a challenge...they love to grow...but her's my mindset, think of them as dogs that you can train! You can redirect the vines back down and weave them in to the trellis so they fill in bare spots...this site has a better explanation than I can give:


For next year, you can also try them in a high planter and let them trail down. Then you can snip off the vines when they get too long. When you do this, they look like a purple waterfall! SO PRETTY!!

This is another good site for ideas:

Happy growing!!!

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July 12, 20180 found this helpful

Thank you.

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July 12, 20180 found this helpful

Happy growing!!

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July 16, 20180 found this helpful

You may have a problem trying to keep this many vines watered as the west side may be getting 6 or 7 hours of pretty intense sun/heat.


  • If all 6 plants are growing in this container it is probably pretty crowded. I have had one vine fill a large 5 gallon container and grow over 10 feet tall and very full on a 4 foot wide trellis.
  • Also, to keep it from growing over 6 feet you will have to keep it trimmed back as most of these vines will grow 8-12 feet if left untrimmed.
  • I am not an expert of this subject so you may wish to listen to other respondents who have more experience than me.
  • You are in zone 9 (same as me in Florida) and my vines die back every year but starts growing again in the early spring. Yours may do the same or it may continue growing throughout the year.
  • I believe you have enough vines to start several more in some other spot.
  • There are a lot of web sites that have good advice about caring for morning glories.
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July 24, 20180 found this helpful

I have heard that morning glories do well in an unstructured wild environment where they are free to spread. IE does not do well in captivity IE box

part of the problem IS water, it's harder to keep stuff watered in a pot especially in CA I would imagine

maybe you could try planting them in the garden near the house and have them climb up?

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July 25, 20180 found this helpful

Thank you.

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