2. Of course you can keep plants and juvenile discus together - it just requires more effort and introduces additional problems. The OP is a beginning discus keeper. I'm simply trying to save him some grief.
100% true so many problems with Discus juveniles at the start as I have mentioned previously on the thread its a hard challenge however, you just need patience and knowledge about Discus for beginners and experience hobbyist trying them out for the 1st time.
1. When buying juvenile Discus from the breeder always get all one size and not less than a school of 6. The breeder might fox you by saying the small size are females and sell you 2 small size ressesive gene Discus with 4 large size Discus.
2. Do not buy one or a pair then keep adding them or mixing them up with different breeders to complete your schools.
3. Homogeneous and Hexageneous are selected by expert Discus breeders for F1 and F2 grade products. As a hobbiest my intention is not to breed them. So in the wild they pair out among them self's and school or shoal around avoiding predators and larger Discus Adults with the protection of their parents. This is one challenge in aquariums keeping juvis without parents.
4. They do well in a community Tetra, Rainbow, Roselinebarb tank and until they get used to the plants, hardscape and fish they are not gona eat any food you feed them. This would take from 5 days to a week or more to ressesive Discus and during those days they survive from the mucus on their bodies or what they surcrete while they are in a group.
5. Keeping the water clean during this time is very important so they don't catch any ich which is the most common culprit. Do not medicate Discus during this time cos they are gona come around and start feeding in the right water setup keeping them away from diseases.
6. This is the best time to train them on a varied diet. I feed them Bio-gold and a heart mix I made and I just know they love it cos I always see belly fulls. All my juvis started eating after 12 days accept one ressesive one.
7. Unlike barebottom tanks pellets are hard for them to feed on when sunk to the bottom in planted tank substrates. So I recommend feeding the beef heart mix first and after the pellets the next day. They come to the surface to feed on pellets and always turn off the water flow when feeding.
8. In community tanks you don't worry about leftover food as every things not spared and Amonia, Nirates spikes are minimal. However, 20% or 50% WC is recommend weekly or every 3 days depends on your planted tank setup.
9. Discus love water current however, they want calm water areas in the tank for resting or sleeping when lights go out at late evening. So make sure their are pockets of water where the flow is calm in the aquarium.
The 1st couple of days I was not this confident and was hoping they make it. Once they started feeding everything falls back into place. So this is what I have observed so far and ask for help when issues come up in the future.