Our Hydrangeas are grown in Colombia. Hydrangea produces small, flat flowers in round clusters. It is great for wedding arrangements. Our Blue Tinted Hydrangea has an approximate vase life of 7 days. These stem-dyed Hydrangeas are carefully treated in order to have a vase-life time as any natural Hydrangea. The difference between tinted blue and natural blue hydrangea is that the tinted one has a darker tone. -Regular hydrangeas have an average diameter of 4.5 inches. -They are packed in boxes of 30, 40, 60, and 80 units. Please check the information box below for additional details and floral-care tips.