Although the hydrangea’s leaves and flowers appear delicate, they actually don’t require a lot of tender care. … Use a soaker hose to water deeply and keep moisture off the flowers and leaves. Watering in the morning will help prevent hydrangeas from wilting during hot days.

Are hydrangeas sensitive?

Tolerance to cold and frost varies among hydrangeas. Some hydrangea varieties are cold hardy down to negative 20 degrees Fahrenheit (-30 °C), others like the popular Bigleaf variety are especially vulnerable to frost damage.

Why do my hydrangeas fall over?

Hydrangeas may fall over after heavy rains, during excessive bloom production, or if there are heavy winds. Likewise, some hydrangeas simply have softer stems, so they’re more likely to flop over compared to other hydrangeas.