Old Wood Pruning - www.plantblueprint.com

Hydrangea macrophylla Not Blooming? Pruning & Care

July 24, 2026June 9, 2026 by Mark Tavis

Hydrangea macrophylla mophead showing deep blue flowers on acidic aluminum-available soil alongside pink flowers on alkaline soil demonstrating aluminum ion anthocyanin pigmentation chemistry

Hydrangea macrophylla not blooming has three primary causes. Any pruning after August 1 removes old wood flower buds that formed the previous summer. Winter temperatures … Read more

Lilac Bushes Not Blooming? 5 Diagnostic Causes & Fixes

July 24, 2026June 8, 2026 by Mark Tavis

Lilac bushes Syringa vulgaris in peak spring bloom showing dense purple panicles on old wood demonstrating proper old-wood bloom cycle management and correct post-bloom pruning timing

A lilac bushes are not blooming is one of the most common and fixable disappointments in temperate gardening. The plant looks healthy and pushes lush … Read more