Hydrangea flowers are white in the most species but it depends on the soil acidity. The acidic soil (pH below 7) will produce blue to purple flowers, otherwise if the alkaline soils (pH above 7) will produce red to pink flowers. Hydrangea flowers are produced from early spring to late autumn.
Red roses have inspired people to say "I Love You" on Valentine's Day for centuries. Traditionally, rose is symbolized as the flower of love. Although, this year's Valentine's Day has passed, rose can be given in any occasion according to the color, variety, and number.