Hydrangeas are primarily known for their beautiful flowers. However, the leaves of the plant should not be neglected. After all, they hide many a secret. Regularly checking the leaves provides information about the he alth of the hydrangea.
How do you recognize the leaves of the hydrangea?
The leaves of the hydrangea arewideand have aelliptical to ovoid shape. A dark to light green color is typical for the plant. Diseases such as fungal or pest infestation can be recognized by the change in the leaves.
When do the leaves of the hydrangea grow?
If it is a mild winter, the first buds openin February A humid environment accelerates this process even more. However, if the cold returns after germination, you must protect your plant from frost. The cold season weakens the hydrangeas. However, a little brushwood can help. Cover the hydrangea's roots completely to save the fresh plant. In slightly colder winters, the leaves and buds only begin to sprout in March.
At what point does the hydrangea lose its leaves?
Hydrangeas lose their leavesin autumn After all, they are deciduous shrubs. The plant has to shed its leaves in order to survive the winter unscathed. The chlorophyll and all vital nutrients migrate into the hydrangea's roots. In addition, the water supply to the leaves is stopped. This process ultimately leads to their wilting and subsequent shedding. However, the wilted leaves should not be left on the plant soil as this can trigger a fungal attack on the hydrangeas. Therefore, remove them thoroughly.
Are hydrangea leaves poisonous?
The leaves of the hydrangeaare poisonous Direct contact is not life-threatening, but triggers allergic reactions in susceptible people and animals. Hydrangeas are mildly poisonous plants. The toxins hydrogen cyanide, hydrangin, hydrangenol and saponins are detected throughout the plant. However, these substances are particularly present in the leaves. When gardening, be sure to use gloves and avoid direct skin contact. Consuming the poisonous hydrangea is strongly discouraged.
Tip
Identifying diseases on the leaves of the hydrangea
The first signs of a negative change are visible on the leaves of the hydrangea. If both the color and the structure differ significantly from their normal state, you should act as quickly as possible. A whitish or grayish discoloration usually indicates a fungal infection such as mildew. Pests also make their presence felt on the leaves. Brown leaves often indicate inadequate care.