(Hardy Hydrangea) 'Limelight' Hydrangea has exquisite lime-green blooms in the mid-summer and holds its unusual and refreshing color right into autumn as then the flower color becomes a combination of green, white and rich deep pink. The fall display of green, white and pink blooms on 'Limelight' is breathtaking! The blooms are large, ranging from 6 to 12 inches in length and are held up on strong stems making a handsome display. The bloom color may seem odd, but once you've seen the flowers you'll be convinced this is a great plant that blends wonderfully into any garden or landscape. 'Limelight' can be easily maintained as a smaller shrub or trained into a small tree. Hydrangea 'Limelight' blooms on new wood therefore it is best to prune in late fall or early spring. Use for borders and hedges, masses and groupings. Add nitrogen to the soil to intensify the bright lime-green blooms. Bloom size increases with age.