My oregano is flowering now. Did I wait too long to harvest it or can I do it now?

Oregano can be "harvested" at any stage.

If you want it to continue to produce more usable foliage, it's best to keep the flowers pinched off. However, in your zone, by the end of next month it's best to keep your harvesting to a minimum in order to leave the plant with enough foliage to get it ready to survive the winter. Only harvest an inch or two at most, depending on the size of your plant.

Thanks Breezy!!

Wow - I didn't oregano was perrenial!

Can you 'divide' it?

Yes, Oregano is a hardy perennial & you can divide it. While you can divide it in spring or fall like other perennial plants, I personally prefer dividing culinary perennial herbs in spring since I've found they seem to be more sensitive to winter kill if, for some reason, the divisions don't have enough time to really establish themselves.

That said, Oregano can border on becoming invasive if you don't keep an eye on it. It not only self-sows, but also has a shallow somewhat running root system, & any horizontal stems touching the ground will root as well.

One more Oregano tip: if you don't already have plants, make sure you buy plants you like the scent & taste of. Just like mints, there are lots of "mutt" Oreganos out there, & many of them taste/smell awful.

I like letting mine flower just because it seems to make the bees so happy. Around here they love the oregano and rosemary flowers best.

Definitely. In fact, I've yet to come across any ornamentals that attract more bees than any flowering herb. Around here my Garlic Chives, which bloom late summer/early fall, are the biggest bee magnets - literally COVERED with Honeybees.