Hydrangea Plant Care

Hydrangea (Hydrangea macrophylla) belongs to the Hydrangeaceae family within the Hydrangea genus. Hydrangea is native to Japan. Hydrangea is also known as Bigleaf Hydrangea, French Hydrangea, Mophead Hydrangea.

Hydrangea displays an upright, bushy growth habit, reaching up to 4 inches tall with a spread of approximately 4 inches. Hydrangea produces hydrangea macrophylla displays large, globular clusters of flowers in varying shades of pink, blue, or purple, depending on soil ph.

Leaf size: approximately 6 inches.

Hydrangea macrophylla requires watering every 2–7 days. Allow the top layer of soil to dry between waterings to prevent root rot. Reduce watering frequency during winter when growth slows.

Hydrangea thrives in bright indirect light conditions. The optimal light range is 100–500 lux. Avoid placing Hydrangea in direct, harsh sunlight for extended periods, as this can scorch the foliage.

Hydrangea macrophylla grows best at temperatures between 55°F and 75°F. Hydrangea prefers humidity levels of 40–60%.

Well-draining soil mix. Good drainage is essential for Hydrangea to prevent waterlogging, which leads to root rot and fungal issues.

Repot every 2-3 years in spring. Choose a pot one size larger than the current container, and ensure it has drainage holes to allow excess water to escape.

Hydrangea can be propagated through stem cuttings or layering. Similar propagation techniques also apply to oakleaf hydrangea plant care, which shares the same genus.

Hydrangea is susceptible to aphids, spider mites, scale insects. Inspect the foliage regularly, especially along leaf undersides and stems. Treat infestations promptly with insecticidal soap or neem oil to prevent spread.

Hydrangea grows outdoors in USDA Zone 5 – 9. Native to Japan, Hydrangea is adapted to warm climates. In cooler regions, grow Hydrangea as a houseplant or bring it indoors before the first frost.