My favorite kind of bouquet: cilantro in a mug of water. Trim the ends first and change the water frequently, and it should last almost a week.
(This post brought to you via my phone. This may increase my posting frequency. Unfortunately, it’ll probably just be photos of random things.)
(Also also: my Gramma had mugs like this when I was a kid. I was so excited to find a pair of them in some boxes of stuff CTS was getting rid of. I may have squealed.)