Oakleaf hydrangea

Hydrangea quercifolia

Hydrangea quercifolia has the following growth characteristics and cultivation methods:

Growth Characteristics
- Shape and Size: This plant typically grows to a height of 1.2 to 2.5 meters, with a broad, spreading, rounded form.
- Leaf Characteristics: It possesses a unique leaf shape resembling oak leaves, and the leaves are relatively large.
- Flowers: Large, conical flowers bloom in the summer, changing from white to pink.
- Environment: It thrives in partial shade and prefers high-quality, well-drained soil. A pH range of slightly acidic to neutral is suitable.
- Cold Hardiness: It is relatively resistant to cold and can withstand temperatures as low as -20°C.

Propagation Methods
- Cuttings: It can be propagated by taking cuttings from new branches during the summer. Cut branches 10–15 cm in length, remove the leaves, and plant them in a growing medium such as sand or perlite.
- Seeds: It can be propagated by seeds, but this method is generally not used due to the low germination rate.

Cultivation Method
- Soil: Well-draining soil is preferred, and add a small amount of organic matter to supplement nutrients.
- Watering: Be careful to avoid overwatering, but water thoroughly when dry.
- Pruning: After the flowers have faded, prune to maintain the shape and remove dead branches.
- Fertilizer: Apply slow-release fertilizer in late winter or early spring to promote growth.

Uses in the Garden
- Border Plant: Can be used as a hedge or boundary plant.
- Ornamental: Provides a decorative element to the garden with its large flowers and unique leaves.

Important Pests and Control Methods
- Diseases: It is susceptible to fungal diseases, so grow it in a well-ventilated location.
- Powdery Mildew: Control using fungicides if necessary. - Pests: Pay attention to pests such as aphids and spider mites, and use appropriate insecticides if they occur.
- Prevention: Maintain the plants in a healthy state through regular inspections to minimize stress caused by pests and diseases.

Based on this information, you can grow oakleaf hydrangeas healthily and utilize them effectively in your garden.

Plant Family	Hydrangea
Height	180~240cm
Spread	180~240cm
Colors	white
Bloom Period	May to August
Water Needs	commonly
Exposure	Sunny
Freezing Resistance	-20°C

Hidden hydrangea 'Silver Lining'
Hydrangea petiolaris 'Silver lining'

Oakleaf hydrangea 'Snow Queen'
Hydrangea quercifolia 'Snow Queen'