Plants in genus hydrangea
Hydrangea caerulea
Hydrangea caerulea is a perennial plant from the genus Deinanthe, native to western Hubei, China. It features nodding blue flowers in early July and thrives in cooler woodland garden sections with good moisture and drainage.
Hydrangea macrophylla 'Robert'
Hydrangea macrophylla 'Robert' is a compact, reblooming hydrangea with rich pink blooms that age to bright green. It grows 2-3 feet tall and wide, with foliage that turns bronze-red in autumn. The flower color changes with soil pH, turning blue in acidic and pink in alkaline conditions.
Hydrangea paniculata 'Sweet Summer'
Hydrangea paniculata 'Sweet Summer' is a large shrub or small tree known for its tall conical blooms that transition from white to pink. It thrives in full sun to part shade and prefers moist, enriched, well-drained soil. Pruning in early spring helps maintain its shape and encourages prolific blooming. This hydrangea's striking floral display makes it a popular choice for garden landscapes.
Hydrangea paniculata 'Magical Candle'
The Hydrangea paniculata 'Magical Candle' is a compact shrub known for its large, cone-shaped blooms that transition from pure white to pink as they age. It flowers from midsummer through fall and is supported by sturdy stems that prevent flopping. This plant is cold hardy to Zone 4 and thrives in well-drained soil, making it suitable for urban environments and large containers. It blooms on new wood, ensuring a fresh display each year.
Hydrangea macrophylla 'Smhmes14'
Hydrangea macrophylla 'Smhmes14' is a versatile shrub known for its ability to change flower color from pink to rich amethyst-blue based on soil pH. It blooms in early summer and can rebloom later in the season, with sturdy stems and wilt resistance. This hydrangea prefers moist, well-drained soils and can withstand cold weather. Pruning or pinching helps develop a full-bodied plant, and adding aluminum sulfate can enhance the blue coloration of the flowers.
Hydrangea paniculata
Hydrangea paniculata is a fast-growing ornamental shrub known for its creamy-white, airy flowers that can reach 10-12 inches in length. Blooming in late August, the flowers develop pinkish blushes as they mature and can remain on the plant during mild winters. This cold-hardy plant thrives in USDA zones 3-8 and is pollinator-friendly. It prefers full sun to partial shade and moderate moisture, making it a versatile addition to gardens.