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Grape vines health declining?


Question

Grape vine
Hi, I recently repotted my grape vines to a larger pot. These are vines I took as babies with their roots found in my area last year while keeping their dirt on the roots and bringing some dirt home not to shock them.

They were great last year, but I brought them in for the winter and continued watering even after all foliage died away leaving what resembled dead twigs.

This January, these twigs started sprouting all over the place (from the twigs, sending some up from under the soil, everywhere), and they were thriving!

I waited for them to get a little more growth, and then decided to repot in a bigger pot (they looked like they'd need it badly). I did my best to take as much of them up with their current soil, and successfully did bring most up with their old soil sticking to their roots. Maybe four broke away (but I don't think any root damage occurred, or it was minimal if any).

I proceeded to put some new soil over them, and near the top the soil is mixed with wooden chunks (like you'd find in the wild).

I also put in a netty structure I made for it to grow onto. It was doing fine the first while. But I think I overwatered it once (giving enough water to make the soil damp from top to bottom) and suddenly I noticed the decline start.

They began wilting away (the edges began turning a silvery or white-grey color rather than brown like when they dry), and I just let the soil FULLY dry out before watering again.

It seemed to get better (or stop silvering), but I haven't seen much growth from it which is very odd for a grape vine.

Can you help by explaining what this silvering-graying of its leaves issue is? What can I do to help my vine survive and thrive? Is it going to make it?

Thank you so much!

Answer
Sophia,

You would be better off if each twig was in an individual pot. If all these twigs survive and grow a vine you are going to have a very tangled mass that you will never get untangled! The twigs did not need repotting unless the entire pot was full of roots and you could see very little soil and the roots held the soil ball together. In that large pot it is very easy to ovrwater. You need to empty the drain tray an hour after you water it ao it is not sitting in a tray of water. Grapes are not a swamp plant. Empty the tray with a turkey baster.

Grapes are not normally houseplants. They do not like growing in pots. I think the silvering-graying of its leaves issue is being caused by not enough sun. Grapes are a sun worshipping plant and they need sun all day long. Without enough sun you will get some deterioration of the leaves. They also need a temperature drop of at least 10 degrees at night such as they would be getting outside. Fortunately it is warming up outdoors and as soon as the night temperatures are above 45 degrees and day trmps are 50 and above, you can move the plant to your patio. Next winter it woould be best if you stored it in an unheated garage or shed after it dros it's leaves and goes dormant. It can be kept in a windowless place because when it has no leaves it does not need light. That will keep it dormant a bit longer so it can go outdoors when it starts sprouting leaves.

Continue being very careful not to overwater it and try to get it more light as soon as possible. Also get it outside as soon as posible.

Goood luck.
Darlene

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