Bougainvillea is widely loved in Sydney gardens for bright colours and long bloom time, yet many gardeners face leafy growth with scarce flowers. Camden Nurseries shares practical, climate-adapted growing tips.

First, full sunshine matters. Give plants over 6 hours of direct sunlight every day; sufficient light accelerates bud growth while shade causes poor blooming.

Second, control water and fertiliser. Wait until leaves wilt before watering. Reduce irrigation before flowering and add potassium dihydrogen phosphate to boost blooms.

Third, prune firmly after flowering. Remove faded blooms, weak and tangled branches to spur new side shoots and increase flower quantity.

Fourth, keep warm in cold days. Bring potted bougainvillea indoors when temperature falls under 10°C to prevent frost injury and leaf loss.

Tested under Sydney’s local climate, these methods help bougainvillea flower repeatedly, perfect for garden walls, arches and potted landscaping.

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