Pruning Forsythia Uk. For normal forsythia shrubs bushes you will need to prune them as soon as possible after flowering in the early spring. I was watching alan titchmarsh s love your garden last night and frances tophill said to prune your forsythia to the ground after flowering.
For normal forsythia shrubs bushes you will need to prune them as soon as possible after flowering in the early spring. You can prune it before it blooms though and that s the best time to assess and work with its bare naked shape. The timing of your pruning depends on what you re trying to accomplish.
For the first two to three years after planting a new forsythia let it fill out and don t prune it.
Here are the steps to pruning a forsythia to control its size and keep it in its pleasant natural vase shape. At this point the plant starts to develop next year s buds and the plant carries the buds through the fall and winter season. Flowering at the same time as many spring bulbs forsythias contribute hugely to the reawakening of the garden after winter. Most sources will say prune it just after it blooms so you won t sacrifice any flowers.