Assessing Freeze Damage on Bougainvillea in Southern California: The Cambium Test and Hard Pruning

Bougainvillea Defoliated by Unusual Frost

Scratch the bark near the base. Green cambium = alive. If green, cut the whole plant back to 2 feet—it will regrow vigorously. If brown, it's dead.

Bougainvillea is remarkably resilient if the root crown survives.

Tropical Plants: Vole Invasion in Massachusetts Garden: Complete Control Guide for Fall Action; Japanese Maple Recovery After Spring Freeze Damage; Venus Flytrap Frost Damage: Acclimation, Not Temperature; Frost-Damaged Schefflera and Dracaena: Prune, Mist, and Wait; Giant Bird of Paradise & European Palms: Root Concerns, Pruning, and Care; Recovering Robellini Palms from Frost Damage; Foxtail Palm Frost Damage with Insect and Fungal Complications; Palm Frost Damage: Why You Shouldn't Prune Green Fronds; Frost-Damaged Carnation Tree and Pygmy Palms: Patience Over Pruning; Overwintering Bougainvillea in Cool Coastal Climates: Mulching and Indoor Alternatives

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