I know the first one looks like a lilic, but it's not, i have them. The 2nd. one had little white flowers on it, they looked like lily of the valley flowers. The other one with large leafs is a small tree in my back yard. not sure about the other one. right now it's 5th tall. Good luck with id.
Deutzia scabra 'Plena' Violet (Viola) with somewhat unusual leaves Euonymus fortunei Emerald 'n' Gold or similar Asimina triloba Possibly a sumac (Rhus)
I know that #2 is not a violet, I have them all over the yard. This has a white flower that looks like a lily of the vally flower. As for the Asimina triloba it has never bloomed and I have been here for 15 years. The rest right on the spot. Thank to you all. #2 and #4 ?
Flower bud and stem looks just like that of a viola. Lily-of-the-Valley (Convallaria) has a short urn-shaped flower, something of that construction doesn't seem too likely to come out of those buds. But posting a close-up of the flowers would certainly help the discussion. The pawpaw produces curious dullish flowers. You have not noticed them, the plant is a seedling that is taking its time to bloom, or there is something about the site that is interfering with flower production - maybe too much shade or competition from adjacent trees or shrubs.
