In the zones where snow and frost make it almost impossible for some plants to survive the harsh winter, it is best to containerize them and move them indoors until the warmer weather kicks in.A container garden at your front door is a warm gesture to welcome guests with pretty flowers, shrubs and/or trees. You have the added benefit to move the plants to control exposure to the sunlight. Weed and pest control is much easier. And what’s more, you can do instant makeovers!A container garden will brighten up your front door, inviting guests into your home. Seasonal color displays will add a final touch of style, such as the…