Hydrangea macrophylla, commonly known as bigleaf hydrangea, is a deciduous shrub native to Japan. It is well-known for its large, colorful flower heads that can be blue, pink, or white depending on the soil pH. This plant prefers temperate climates and goes dormant in the winter months.
Hydrangea macrophylla requires indirect bright light and should be kept in moderate temperatures. It thrives in high humidity and needs to be watered regularly to keep the soil evenly moist. Avoid letting the soil dry out completely.
Bodem
This plant prefers well-draining loamy soil that is rich in organic matter. The soil should be kept evenly moist but not waterlogged. A slightly acidic to neutral pH is ideal for optimal growth.
Kunstmest
Use a balanced fertilizer with an N-P-K ratio of 10-10-10. Fertilize the plant every 4-6 weeks during the growing season to promote healthy growth and vibrant blooms.
Verpotten
Repot Hydrangea macrophylla every 2-3 years or when it outgrows its current container. Choose a pot that is slightly larger than the current one and ensure it has good drainage. Repot in early spring before new growth begins.
Voortplanting
Propagate Hydrangea macrophylla through softwood cuttings taken in late spring or early summer. Dip the cuttings in rooting hormone and plant them in a well-draining soil mix. Keep the cuttings in a humid environment until they root.
Snoeien
Prune Hydrangea macrophylla in late winter or early spring before new growth starts. Remove dead or weak stems and shape the plant to maintain its form. Avoid heavy pruning as it can reduce flowering.
Toxiciteit
Hydrangea macrophylla is toxic to pets and humans if ingested. All parts of the plant contain cyanogenic glycosides, which can cause symptoms like vomiting, diarrhea, and lethargy. Keep the plant out of reach of children and pets.
Aanvullend
To change the color of the flowers, you can adjust the soil pH. For blue flowers, make the soil more acidic by adding aluminum sulfate. For pink flowers, make the soil more alkaline by adding lime.
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