hostas thrive anywhere
Some people do grow hosta indoors. Hopefully only the minature versions because some hostas get very large.http://houseplants.about.com/od/Plant-Profiles-April-2014/fl/Hostas-Growing-Hostas-Inside.htm
Yes, hostas can be successfully grown from leaf cuttings by placing the cut leaf in soil and keeping it moist until roots develop.
Yes, hostas can be split to propagate them. This involves dividing the plant into smaller sections, each with their own roots and shoots, which can then be replanted to grow into new hosta plants.
Hostas will grow in zones 3 to zone 9. They are not a tropical plant.
It is possible that bind weed or other plants could kill hostas. Black walnut trees also will kill hosta or other plants that try to grow near them.
Hostas are natives of Northeast Asia, primarily Japan, Korea and China. Various articles report that they're still discovered at the base of Mt. Fuji in Japan. Although native hostas grow in Korea, they are hard to find. China's wild hostas have become quite rare. Gardeners in Japan have been cultivating hostas for centuries, but these shade-loving perennials only reached Europe in the 1700s and only reached America in the late 1800s.
Hostas need water. It will not grow well when it is dry.
Yes, you can divide hostas in the fall.
Yes you can grow Asiatic lilies in Tennessee. Daylilies grow well too.
Yes, hostas can be split to create new plants.
Someone looking to get hostas for their garden can do so by visiting the gardening stores and checking online. Gardening centers sell a variety of hostas plants for your garden.