Evening Republican, Volume 18, Number 186, Rensselaer, Jasper County, 8 August 1914 — Controlling flower Colors. [ARTICLE]

Controlling flower Colors.

By the use of chemicals, such as potassium sulphate, aluminum sulphate, calcium hydrate and lead acetate, Prof. Henry Kraemer of Philadelphia has produced a red color in the petals of the white Kaiserin rose, and has caused hyrangeas, naturally red-flowering, to produce blue blossoms, says Touth’s Companion. The chemicals are fed to the plants In the form of solutions, or„ added to the 801 l in the solid form, solution then taking place gradually .jn_ the earth. The manner in which the chemicals act on the plants is not yet fully understood.