Kare Otoko Ni Izumi O
A man with the ability to hear plants speak meets a twice-divorced man with no clue how to be in an adult relationship and they have sex involving terrible plant puns, break up, get back together in France, and buy an apartment with a garden. Unnecessarily dramatic.
Osananajimi wa boku no hero!
Nao has a history of men attacking him and is protected by his first-cousin who is also in love with him. This is the second "I'm in love with my cousin" story I've run across today.
Hana to Kurumi to Amai Seikatsu
An apprentice florist falls for his boss. The day after he was dumped, a guy gets drunk and sleeps with the new designer his company just hired. Both stories end up well!
The Wolf in the Flower Shop
A high schooler raising his younger brother is shocked when he's confessed to by a stranger in a park. This would've been just as effective with a MC who was a fellow shopkeeper rather than a HS student.
Chotto Matte yo Hanaya-san