Bigleaf hydrangeas can thrive with the right tools and techniques, but it is crucial to choose the right time to prune them for optimal growth and blooms. The best time to cut back a bigleaf hydrangea is just after it has finished blooming, around early August, or no later than mid-August, allowing the shrub time to set new growth and harden off before winter.
For optimal blooms, it is recommended to prune bigleaf hydrangeas soon after the flowers have faded in late summer, as the shrub will have a chance to produce new growth where next year’s flower buds will be. The flowers have a unique trait of changing color depending on the soil pH, making them durable and relatively carefree when given the proper growing conditions.
To prune bigleaf hydrangeas, it is best to do so in the fall, when the buds are ready to bloom. However, this is also the time when they are most susceptible to frost damage, so it is advisable to keep them in a cool, dry place until then.
Pruning big leaf and mountain hydrangeas can be as simple as deadheading all old flowers. However, it is essential to prune bigleaf hydrangeas carefully just after the flowers have faded, never removing more than one-third of their total growth. Fertilize after late July and wait to prune your bigleaf hydrangeas until new growth appears in the spring.
In conclusion, pruning bigleaf hydrangeas is crucial for promoting healthy growth and maximizing blooms. Proper pruning techniques and tools are essential for a successful and healthy plant.
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