Plant Needs Light Requirement: Part Sun to Sun Maintenance Category: Easy Blooms On: Old Wood Bloom Time: Early Summer through Late Summer Hardiness Zones: 5a, 5b, 6a, 6b, 7a, 7b, 8a, 8b, 9a, 9b Water Category: Average
Features Small to medium sized early blooming hydrangea with large, long lasting flowers. Mildew resistant. Compact.
Top reasons to grow: - Salt Tolerant - Small or Miniature
Uses Container Cut Flower Dried Flower Landscape Uses Notes: A dramatic centerpiece for mixed container designs. Also great for mixed borders and perennial gardens.
Maintenance Notes Add aluminum sulfate to the soil to encourage blue flower color.
Early blooming, compact plant.
A small to medium, early blooming selection with large flowers that range from strong blue to purple depending on the soil; add aluminum sulfate to the soil to encourage blue flower color. The blooms are large and long lasting. This plant has excellent mildew resistance, and makes a great container plant. Like the other Cityline hydrangeas, Rio is compact so it does not need pruning. It's perfect for foundation plantings and milder-climate container gardens.