Hydrangea Macrophylla: Tips for Growing and Maintaining

(dal lat. scient. hortensia)

Planting

• Location: Choose a spot with morning sun and afternoon shade. They thrive in well-drained, rich soil.
• Soil: Aim for slightly acidic to neutral pH (5.5 to 7.0). You can amend the soil with organic matter or peat moss.
• Spacing: Space plants 3 to 10 feet apart, depending on the variety.

Watering

• Moisture: Keep the soil consistently moist, especially during hot, dry spells. Avoid waterlogging.
• Mulching: Apply mulch to retain moisture and regulate soil temperature.

Pruning

• Timing: Prune after flowering, typically in late summer or early fall. Remove dead or damaged wood and shape the plant.
• Type of Blooms: Remember that some varieties bloom on old wood, while others bloom on new growth. Know your variety to prune correctly.

Fertilizing

• Type: Use a balanced, slow-release fertilizer in spring. You can also add compost.
• Altering Color: To change flower color, adjust soil pH. For blue flowers, make soil more acidic; for pink, make it more alkaline.

Pests and Diseases

• Common Issues: Watch for aphids, spider mites, and powdery mildew. Use insecticidal soap or neem oil as needed.
• Prevention: Ensure good air circulation and avoid overhead watering to reduce disease risk.

Winter Care

• Protection: In colder climates, protect the base of the plant with mulch or leaves. You might also wrap the plant with burlap for added insulation.

Additional Tips

• Hydrangea Types: Familiarize yourself with the specific variety you have, as care can vary slightly.
• Deadheading: Remove spent blooms to encourage new growth and tidiness.

With these tips, you can enjoy the stunning blooms of *Hydrangea macrophylla* for years to come!