The time to prune shrubs that bloom before the middle of June is right after they flower, according to an article in the newest edition of WNY Gardening Matters, published by the Master Gardeners of Cornell Cooperative Extension in Erie County. If you wait too long and prune them after they have set next year’s buds, you will lose the flower production next year. Early-blooming shrubs that you shouldn’t wait to prune include lilac, deutzia, kerria, Philadelphus, forsythia, viburnum, St. John’s…
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