Weeks remembers his first encounter with the fall crocus. He talks about how light wavelength effects plant growth and touches on photoperiodism as it relates to the blooming of various plants.Originally aired on October 24, 2003.
Weeks remembers his first encounter with the fall crocus. He talks about how light wavelength effects plant growth and touches on photoperiodism as it relates to the blooming of various plants.Originally aired on October 24, 2003.