We all know that old story about planting mint in a pot with no bottom, to restrict the spread of it... and it's not just mint that needs a bit of a firm hand:…
They are very frost hardy, and need sunshine and rich soil with lots of moisture. You can propagate from seed or by root division in spring or autumn.
You can propagate from seed or by root division in spring or autumn.
Pests, diseases or disorders
Plants can be invasive and often grown in containers partly for this reason.