You can also have them give presentations to their peers, later in the course. They can go one-on-one with peers, as they just did with you, or you can have them go in front of a small panel of their peers, in an organized group process.
BLS data show that landscaping laborers earned an average annual wage of $25,650 as of May 2011. Workers in the top 10 percent in terms of annual income earned more than $37,580 a year, while those in the bottom 10 percent earned less than $17,130.
A basic job, such as having somebody create naturalistic garden landscaping, costs around $12 per square foot. On a 50x50 foot yard, this would work out to a little more than $25,000. A more formal garden, featuring water, walls or fence, costs between $15-$25 per square foot, or $40,000 to $50,000 for a 50x50 foot yard. An average sized tree costs $125-$250. A large tree costs $250 to $500 or more.