🌺 Bougainvillea Bonsai: Beauty, Biology & Care Essentials 🌿
Bougainvilleas, part of a genus that includes around 18 distinct species, are native to South America and known for their breathtaking floral displays. Each variety has its own charm, and when properly cultivated, these climbing shrubs can create a vibrant spectacle. Under favorable conditions, bougainvilleas can grow up to 12 meters tall and bloom continuously—from spring through late autumn—especially in warm, temperate climates.
🌸 Flowers vs. Bracts: A Common Misunderstanding
Despite what many believe, the actual flowers of bougainvilleas are small and white. The brilliant colors that draw attention are not petals, but bracts—thin, papery structures that surround the flowers. These bracts come in stunning shades of pink, purple, orange, red, and white, offering a dramatic visual impact.
☀️ Sunlight Needs: Outdoor Bonsai Only
Bougainvilleas are sun-loving plants. To ensure rich blooming, place your bonsai in full sunlight for most of the day. This species is best kept outdoors and must be protected from strong winds and frost. If the plant loses its leaves during colder months, don’t worry—it’s simply going dormant, a normal part of its natural cycle.
🪴 Ideal Bonsai Soil
Due to their fine and delicate root systems, bougainvilleas need a well-draining, porous, and slightly acidic substrate. A recommended mix includes akadama as a base, enriched with 30% kiryuzuna or kanuma to improve aeration and acidity. This combination helps prevent root rot and encourages healthy growth over time.
Watering Your Bougainvillea Bonsai: Water when the surface of the soil begins to dry. Maintain the soil moisture without causing water stagnation. For optimal results, use osmosis water to prevent alterations in the soil pH due to dissolved salts.
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