Wherever You Live, Start Growing Some Green With Nearly Trouble-Free Flora

thank goodness they didn't suggest Kudzu. :o

Do i have to water them? or are they taking care of themselves?

There is an important one missing.

Strawberries. Grow anywhere, just about. They spread out and make a great groundcover. Don't grow from seed. You only need one or two and they will cover an area of 4 sq m in a year. Healthy too, great in drinks, make you feel good