Jetstream Hydrangea (Hydrangea quercifolia 'PIIHQ-I') is a popular hydrangea known for its showy summer blooms and attractive fall foliage. This variety features large, white flowers that transition to pink through the season. Here’s why the Jetstream Hydrangea is the perfect addition to your garden:

Blooms: Jetstream hydrangeas have large, cone-shaped flowers that bloom through the summer. The blooms emerge snow white and transition to shades of pink through the season. The blooms make wonderful cut flowers for arrangements and bouquets. 

Foliage: Dark green leaves provide a vibrant backdrop to Jetstream hydrangea’s stunning blooms. The ovate foliage has a glossy look and a serrated margin. The foliage turns marvelous shades of orange and red in autumn, providing interest in the landscape post-bloom season.

Sunlight and Soil: This hydrangea prefers full sun to partial sun, and this cultivar may benefit from afternoon shade in hotter climates. Hydrangeas thrive in loamy, well-drained soils. 

Watering: Jetstream hydrangeas have average watering needs. Keep the soil consistently moist but not waterlogged, especially during hot, dry periods. Mulching around the base of the plant can help retain moisture and regulate soil temperature. 

Size: The Jetstream hydrangea has a compact, rounded habit with strong stems that hold the blooms high. It reaches 5 to 6 feet high and 4 to 5 feet wide.

Hardiness: This deciduous shrub generally thrives in USDA zones 5-8, making it suitable for a wide range of climates. 

Pruning: Prune Jetstream hydrangeas in the summer after flowering. Deadheading spent flowers can also promote continued blooming.

Fertilizing: Fertilize in early spring with a balanced slow-release fertilizer or a fertilizer formulated specifically for hydrangeas.

Landscape Uses: This hydrangea does well in mass plantings and in woodland or naturalized areas. Its compact habit makes it suitable for planting in smaller landscapes.  

Overall, Jetstream Hydrangeas are a favorite among gardeners for their showy blooms, colorful fall foliage, and ease of care. Hydrangea is a wonderful and versatile choice that is guaranteed to add a touch of elegance to your garden space.