Before you purchase just any bonsai tree for sale, you should do a bit of research to ensure that it is the type that you want to grow. A bonsai tree is a miniature shrub or tree that is replica of a normal size tree that grows naturally. Here are some styles of bonsai trees that you will have to choose from:

• A formal upright bonsai tree is one that resembles a normal standing upright tree. It will have a tapering truck and tree branches that are balanced.
• A bonsai tree that is informal will have either a curve or a bend in the trunk.
• Cascade and semi-cascade bonsai trees are miniature trees that resemble trees that grow over water or on mountains.
• Raft bonsai trees are trees that grow roots from its trunk. The raft bonsai is meant to replicate the appearance of a tree that has either been a victim of soil erosion or fallen down.

What may be an invasive perennial plant to one person may be a dream plant for a gardener looking for a fast-spreading perennial. Here is a list of perennial plants that can spread rather fast and become invasive if they are not controlled:

• Bamboo
• Bugleweed
• Chameleon Plant
• Creeping Bellflower
• Crown Vetch
• Cypress Spurge
• Daylily
• Evening Primrose
• Giant Reed
• Goutweed
• Hardy Ageratum
• Horsetail
• Ironweed
• Knotweed
• Lantana
• Loosestrife
• Mint
• Obedient Plant
• Ornamental Grass
• Plume Poppy
• Rose Campion
• Tansy
• Tovara
• Western Mugwort
• Yellow Iris