Floral Designers

• These professionals work with both artificial and live plants and flowers, cutting and arranging them into various combinations. The United States Bureau of Labor Statistics states that floral designers earned a mean annual wage of $24,490 per year and $11.99 per hour in 2009. The 90th percentile earned a median wage of $36,080 a year and $17.35 per hour, while the lowest 10th percentile earned $16,480 a year and $7.92 per hour.
  
  

Botanists

• Botanists study the inner workings of plant processes.Photos.com/Photos.com/Getty Images
  
  These scientists study plants and their environments. They may study a wide range of plant life or specialize in a particular area such as plant identification or plant biochemistry. The Bureau of Labor Statistics groups them with biological scientists, earning a median annual salary of $69,430 and an hourly rate of $33.38 in 2009. Earnings in the 90th percentile were $100,580 a year and $48.36 an hour. Those in the 10th percentile were paid $36,750 a year and $17.67 an hour.
  
  

Tree Pruners and Trimmers

• Tree pruners help to maintain tree health by removing dead limbs.Hemera Technologies/Photos.com/Getty Images
  
  Tree pruners and trimmers are responsible for the maintenance of trees and shrubbery to maintain their appearance and foliage health. These workers earned a median annual rate of $32,090 and an hourly rate of $15.43 in 2009. Those in the 90th percentile earned median annual pay of $47,650 and an hourly rate of $22.91. Those in the 10th percentile had a median annual pay of $20,450 and $9.83 per hour in 2009.
  
  

Agronomists

• Agronomists help farmers to produce higher-yielding crops.Ablestock.com/AbleStock.com/Getty Images
  
  These scientists specialize in the study of various farm crops to increase their productivity, how the plants breed and their quality. They also work to increase their resistance to disease and insects. The Bureau of Labor Statistics groups these professionals in with soil scientists, with this group earning a median annual salary of $65,180 and an hourly rate of $31.34 in 2009. Those in the 90th percentile earned a median annual wage of $107,670 and $51.76 per hour, while those in the 10th percentile earned $34,930 per year and $16.79 per hour.