If your annual flowers aren't exploding with celebratory fireworks of color right now, it may be lack of fertilizer.

Pick of the Week: Blue Thimble flower. By Erle Nickel, Freelance Writer March 29, 2009. ... G. tricolor, known as Bird's eyes, has white flowers flushed with generous lavender borders.

Garden flower's secret weapon: Petals of common plants produce an 'invisible blue halo' that helps bees find them. An 'aura' invisible to the human eye surrounds some flower petals ...

Until the breakthrough introduction of 'Blue Angel' in 2012, hardy hibiscus bloomed only in red, white and pink. More than a decade ago, Dariusz Malinowski, a plant physiologist with AgriLife in ...