The present compositions are described comprising one or several flavonoids or their Derivatives to improve the growth of plants and Methods for treating plants, Parts of plants with one or several flavonoids and Derivatives thereof.En la presente se describen composiciones que comprenden uno o varios flavonoides o derivados de estos para mejorar el crecimiento de las plantas y métodos para tratar plantas, partes de plantas con uno o varios flavonoides y derivados de estos.