{
  "id": 15866018,
  "title": "Don’t prune your hydrangeas this October — do these 3 things instead for bigger blooms next year",
  "url": "https://urgent.news/2026/10/21/dont-prune-your-hydrangeas-this-october-do-these-3-things-instead-for",
  "topic": "tech",
  "section": "Tech",
  "published": "2026-10-21T08:00:00.000Z",
  "source": {
    "name": "Tom's Guide",
    "slug": "tom-s-guide",
    "url": "https://www.tomsguide.com/home/gardening/dont-prune-your-hydrangeas-this-october-do-these-3-things-instead-for-bigger-blooms-next-year"
  },
  "original_language": "en",
  "account": "Hydrangeas are beloved shrubs admired for their large, vibrant blooms and lush foliage throughout the summer and into fall. However, many gardeners make the mistake of pruning their hydrangeas in October, believing the faded blooms look unsightly. This is one of the most common fall gardening errors. Leaving the dried flowerheads on hydrangeas through winter is actually beneficial for the plant's health and future blooms. The dried flowerheads act as natural protection for the young stems and developing buds from harsh frosts, strong winds, and even snow. Pruning these stems in October could stimulate tender new growth when the plant should be entering its winter dormancy. This new growth, if it freezes, will die when the first hard frost arrives, leaving the shrub vulnerable to disease and less resilient for the following season.\n\nFurthermore, popular hydrangea varieties like mophead, lacecap, and oakleaf set their buds on old wood, which means they form flower buds during the late summer growing season. Trimming these stems now would remove next year's buds entirely, leading to a barren bush in the following spring. Instead, gardeners should leave the faded flowerheads intact throughout the fall and winter. Shaping or trimming should only be done immediately after the plant finishes blooming in the summer, followed by a light cleanup of dead wood in early spring.\n\nTypes of hydrangeas that bloom on old wood include mophead, lacecap, and oakleaf varieties. These should not be pruned in October. Re-blooming varieties, such as Endless Summers, also flower on both old and new wood. For these, gardeners should follow the old wood rules to ensure the earliest possible blooms next spring. On the other hand, hydrangeas that bloom on new wood, like panicle and smooth varieties, are more forgiving if trimmed but should only have major structural cuts made in late winter or early spring before new growth begins. Leaving their large, dried flowerheads through late fall adds excellent structural interest to a winter garden. If the area experiences heavy, wet winter snow, gardeners should consider removing just the heavy flower heads in late fall to prevent the branches from breaking under the weight.\n\nIn addition to protecting the above-ground parts of the plant, hydrangeas require attention to their root systems in the fall. Although dried flowerheads look beautiful in the winter frost, they don't offer any protection to the plant's root system. To shield the roots from harsh winter freezes, gardeners should apply a thick layer of organic mulch around the base of the plant this fall. Organic mulches such as shredded bark, leaf mold, or compost can be used, ensuring a two to three-inch depth around the base of the plant. The mulch should be kept about an inch away from the main stems to prevent rot. Avoid fertilizing hydrangeas in late fall, as late-season nitrogen encourages soft growth that is not cold hardy. Reduce watering as temperatures drop and keep the soil lightly moist but not waterlogged.\n\nIn summary, to promote bigger and more vibrant blooms next year, gardeners should skip pruning hydrangeas in October. Instead, focus on protecting the root system and avoiding late-season pruning. This care routine will ensure a healthy and flourishing hydrangea garden come spring.",
  "summary": "Why October is the most important month for hydrangeas (and what to do before the first frost).",
  "key_points": [],
  "editors_take": null,
  "illustration": null,
  "coverage": {
    "outlets": 1,
    "also_reported_by": []
  },
  "ai_generated": true,
  "disclaimer": "Summaries, key points and the editor’s take are written by software from other outlets’ reporting and may contain errors — always check the linked original."
}