Q.Rooting A Grape Vine – When To Plant
In the spring – I took a stalk clipping from a grape vine – rooted it in water and then planted it in a small garden pot. It is growing well and adding green leaves. Should it be planted outside to overwinter till the spring or should I keep it in the house over the winter.
Certified GKH Gardening Expert
Keeping it inside under horticultural lamps will, definitely, give it a boost over the Winter. Doing so will give you an advantage when it comes to next year's planting.
Here is an article that will help you to keep it in container:
https://www.gardeningknowhow.com/edible/fruits/grapes/container-grown-grapes.htm