Answer: Since we don't know how long they've already been in the nursery pots, it may be that your newly acquired gerberas need to be repotted into slightly larger pots. Use fresh potting soil when you repot. Your geraniums probably need to be fed. The off-color on the leaves indicates a need for nitrogen. If you live in an area where the soil is alkaline, they may also need a dose of iron to help green them up.
Best wishes with your garden!
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