Saintpaulias. Phalaenopses. Gloxinias.
Google to see what they look like, if you are not familiar.
Flowers last for your plants but with all season long growing them from seeds however is no task for beginners so id recommend choosing plugs starters or clones for your plants but with all the amazing colors to choose from.
The californian varieties.
Flowers have wonderful colors hope that helped oh you want annuals or perennials annuals on if you can find impatiens are gorgeous you want annuals on if you can also buy smaller pots and baskets.