These are the top 3 Small Yellow Flowers names given here:

1. African Daisy: Its scientific name is Osteospermum, plant type is annual and requires water when the top one inch of soil is dry.
2. Bearded Iris: Its scientific name is Primula auricula, plant type is perennial and requires water when the top two inches of soil is dry.
3. Begonia: Its scientific name is Begonia, plant type is annual and requires water once a day.