Snowball Viburnum Never Blooms: Pruning Time and Fertilizer

Two Fixes

Stop fall pruning. Pruning after July removes next year's buds. Prune only late summer/early fall.
Use low-nitrogen fertilizer in fall. High N = leaves, not flowers.

Early leaf drop before fall color is normal for V. opulus.

Shrubs: Snowball Bush Crinkled Leaves: Insect Feeding and Organic Spray Options; Pruning Your Summer-Blooming Hydrangea (Snowball Bush): Timing and Technique; Transplanting Mature Snowball Bushes in September; What Is a Soilless Mix for Cuttings?; Snowball Bush Green Blooms: Phosphorus Deficiency Fix; Rejuvenating Leggy Butterfly Bush with Hard Pruning; Butterfly Bush (Buddleia) Pruning: Timing Is Everything; Renewal Pruning Overgrown Bridal Wreath Spirea for Size Control; Butterfly Bush Pruning: Dormant Season Guide for Maximum Blooms; Pruning Loropetalum: Know Your Cultivar First

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