Online might be your best bet. There are a few buy/sell/trade groups on Facebook for plants.
Oh that is the ideal situation lolthankfully, we live in the same house with the same water and I’ll use the same substrate so hopefully there will be minimal die off When I’m ready rescape her tank. I’m so excited to surprise her but I’d rather wait and give her a better look by not rushing and growing the plants myself. Plus, I can just move most of my plants leaving enough to scape my 40 breeder and 20 long while I am at it.
If you want to propagate your plants fast, do a full on dirted out door tub.