The University of Minnesota Extension recommends taking the cutting in.
How To Grow A Lemon Tree From Cutting - The Plant Guide. Nov 17, How to Grow Lemon Tree from Cuttings to Clone Fruit Trees. Meyer Lemon Tree Easy and Fast Way to get mature Meyer lemon lime tree.
Repot every two years as the tree grows to its mature size of 4 to 6 feet tall.
https://mygardenchannel.c Author: My Garden Channel. Lemon tree cuttings (Newbie) pdtiger 8 years ago.

So I've had some success rooting cuttings off of my Meyer's Lemon tree. I had previously used the cup with shallow water technique, and this worked, giving me two nice small trees.
But this time i tried something different and used a rooting powder and potting soil treepruning.clubg: Clarksville VA. May 22, Of all the citrus fruit trees, lemon trees are one of the easiest to propagate from cuttings. Semi-hardwood cuttings can be taken from late spring to early summer. Look for new growth that has yet to produce fruit or flowers. The cutting should be Missing: Clarksville VA.
Aug 31, If you live in USDA zone 8 or lower, Oregon State University recommends planting the lemon tree in a pot and taking it indoors in winter. Start with Missing: Clarksville VA.