Each color has a different wavelength. Red has the longest wavelength and violet has the shortest wavelength. When all the waves are seen together, they make white light. When white light shines through a prism, the white light is broken apart into the colors of the visible light spectrum. Water vapor in the atmosphere can also break apart wavelengths creating a rainbow.
At maturity, the typical Blackeyed Susan (Hirta) will reach up to 1 foot high, with a maximum height at 20 years of 0 inches. The Blackeyed Susan (Hirta) is easily found in nurseries, garden stores and other plant dealers and distributors.
Girls -- 10 to 14 Years. At 10 years old, the average girl is 54 inches tall and weighs 72 pounds. By age 12, the average height has raised to 59 inches and the average weight is at 92 pounds. 14-year-old girls are an average of 63 inches tall and 109 pounds. Girls -- 16+ Years. After age 14, girls' height begins to level off.