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Bougainvillea Not Blooming: Pruning, Sun, and Fertilizer Management

Bougainvillea Not Blooming: Pruning, Sun, and Fertilizer Management

Large, healthy bougainvillea with lush green growth but no blooms for two years (while neighbors bloom) needs bloom-inducing practices: full sun, controlled water/fertilizer, and pruning.

Bloom Triggers

  • Full sun: Minimum 6 hours direct sun.
  • Water stress: Allow soil to dry between waterings; slight drought promotes flowering.
  • Low nitrogen: High nitrogen (rose food) favors leaves over blooms. Use bloom booster (high P, K).
  • Pruning: Prune after bloom flush; new growth produces flowers. Regular tip pruning encourages cycle.

Action Plan

  1. Stop high-nitrogen fertilizer.
  2. Reduce watering frequency.
  3. Prune back 1/3 after any bloom attempt.
  4. Apply bloom-boosting fertilizer.

Bougainvillea blooms on new wood; management cycle drives flowering.

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