Answer to Question 1Five main factors that need to be considered by a greenhouse grower are making sure
the greenhouse is located where it can receive maximum sunlight, maintains the correct
temperature, contains enough moisture for plants, has proper ventilation, and has the
appropriate structure and heating and cooling system to maintain the climate necessary
for the plants the grower is producing
Answer to Question 2Answers will vary; examples of plants that propagate naturally by layering include
strawberries, red raspberries, spirea, and African violets.