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    <title>Plant Reference - Hydrangea Care &amp; Cultivation</title>
    <link>https://www.plantref.org/care/category/hydrangea-care-cultivation</link>
    <description>Complete guides to growing, pruning, and caring for all types of hydrangeas across US climate zones.</description>
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      <title><![CDATA[Growing Hydrangeas in Los Angeles: Zone 10b Guide]]></title>
      <link>https://www.plantref.org/care/when-to-plant-hydrangeas-los-angeles</link>
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      <pubDate>Sun, 15 Nov 2026 02:00:25 GMT</pubDate>
      <dc:date>Sun, 15 Nov 2026 02:00:25 GMT</dc:date>
      <dc:creator><![CDATA[Emma Chen]]></dc:creator>
      <category><![CDATA[Hydrangea Care &amp; Cultivation]]></category>
      <description><![CDATA[Grow hydrangeas in Los Angeles with Zone 10b planting dates, coastal and valley siting, efficient irrigation, alkaline-soil fixes, and reliable varieties.]]></description>
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      <title><![CDATA[Growing Hydrangeas in Houston: Zone 9a Guide]]></title>
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      <pubDate>Fri, 13 Nov 2026 02:00:25 GMT</pubDate>
      <dc:date>Fri, 13 Nov 2026 02:00:25 GMT</dc:date>
      <dc:creator><![CDATA[Aisha Patel]]></dc:creator>
      <category><![CDATA[Hydrangea Care &amp; Cultivation]]></category>
      <description><![CDATA[Grow hydrangeas in Houston with Zone 9a planting dates, raised clay beds, afternoon shade, Gulf Coast disease control, and heat-ready varieties.]]></description>
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      <title><![CDATA[Growing Hydrangeas in Portland: Zone 8b Guide]]></title>
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      <pubDate>Wed, 28 Oct 2026 02:00:25 GMT</pubDate>
      <dc:date>Wed, 28 Oct 2026 02:00:25 GMT</dc:date>
      <dc:creator><![CDATA[Dr. Sarah Green]]></dc:creator>
      <category><![CDATA[Hydrangea Care &amp; Cultivation]]></category>
      <description><![CDATA[Grow hydrangeas in Portland with Zone 8b planting dates, summer irrigation, powdery mildew prevention, and varieties suited to the Pacific Northwest.]]></description>
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      <title><![CDATA[Growing Hydrangeas in Boston: Zone 6b Guide]]></title>
      <link>https://www.plantref.org/care/when-to-plant-hydrangeas-boston</link>
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      <pubDate>Tue, 27 Oct 2026 02:00:25 GMT</pubDate>
      <dc:date>Tue, 27 Oct 2026 02:00:25 GMT</dc:date>
      <dc:creator><![CDATA[Kevin Doyle]]></dc:creator>
      <category><![CDATA[Hydrangea Care &amp; Cultivation]]></category>
      <description><![CDATA[Grow hydrangeas in Boston with Zone 6b varieties, specific planting windows, coastal microclimate advice, winter protection, and four-season design.]]></description>
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      <title><![CDATA[Growing Hydrangeas in Chicago: Zone 6a Guide]]></title>
      <link>https://www.plantref.org/care/when-to-plant-hydrangeas-chicago</link>
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      <pubDate>Mon, 26 Oct 2026 02:00:25 GMT</pubDate>
      <dc:date>Mon, 26 Oct 2026 02:00:25 GMT</dc:date>
      <dc:creator><![CDATA[Patricia "Pat" O'Brien]]></dc:creator>
      <category><![CDATA[Hydrangea Care &amp; Cultivation]]></category>
      <description><![CDATA[Grow hydrangeas in Chicago with Zone 6a varieties, precise planting windows, late-frost protection, clay-soil care, and dependable winter strategies.]]></description>
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      <title><![CDATA[Endless Summer Hydrangea Not Blooming: The Fix]]></title>
      <link>https://www.plantref.org/care/endless-summer-hydrangea-not-blooming</link>
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      <pubDate>Sun, 25 Oct 2026 02:00:25 GMT</pubDate>
      <dc:date>Wed, 28 Oct 2026 23:49:31 GMT</dc:date>
      <dc:creator><![CDATA[Terrence "TJ" Johnson]]></dc:creator>
      <category><![CDATA[Hydrangea Care &amp; Cultivation]]></category>
      <description><![CDATA[An Endless Summer hydrangea may survive cold winters yet lose its best flower buds. Diagnose pruning, winterkill, light, and nutrition before changing care.]]></description>
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      <title><![CDATA[Best Panicle Hydrangeas Ranked: Size and Color]]></title>
      <link>https://www.plantref.org/care/best-panicle-hydrangeas</link>
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      <pubDate>Sat, 24 Oct 2026 02:00:26 GMT</pubDate>
      <dc:date>Sat, 24 Oct 2026 02:00:26 GMT</dc:date>
      <dc:creator><![CDATA[Helen Cho]]></dc:creator>
      <category><![CDATA[Hydrangea Care &amp; Cultivation]]></category>
      <description><![CDATA[Compare eight panicle hydrangeas by mature size, bloom timing, color progression, stem strength, and the garden role each variety performs best.]]></description>
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      <title><![CDATA[Hydrangea Wilting Even When Watered? 6 Causes]]></title>
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      <pubDate>Fri, 23 Oct 2026 02:00:25 GMT</pubDate>
      <dc:date>Fri, 23 Oct 2026 02:00:25 GMT</dc:date>
      <dc:creator><![CDATA[Terrence "TJ" Johnson]]></dc:creator>
      <category><![CDATA[Hydrangea Care &amp; Cultivation]]></category>
      <description><![CDATA[Hydrangea wilting after watering can signal heat stress, dry roots, waterlogged soil, transplant shock, compaction, or stems bent by heavy blooms.]]></description>
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      <title><![CDATA[6 Best Soil Amendments for Blue Hydrangeas (2026)]]></title>
      <link>https://www.plantref.org/care/best-soil-amendments-blue-hydrangeas</link>
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      <pubDate>Thu, 22 Oct 2026 02:00:25 GMT</pubDate>
      <dc:date>Thu, 22 Oct 2026 02:00:25 GMT</dc:date>
      <dc:creator><![CDATA[Helen Cho]]></dc:creator>
      <category><![CDATA[Hydrangea Care &amp; Cultivation]]></category>
      <description><![CDATA[Which soil amendments actually turn hydrangeas blue? We rank aluminum sulfate, sulfur, acidifiers, fertilizer and pH tests, plus the popular myths that fail.]]></description>
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      <title><![CDATA[Best Hydrangeas for Full Sun: 8 Reliable Varieties]]></title>
      <link>https://www.plantref.org/care/best-hydrangeas-for-full-sun</link>
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      <pubDate>Wed, 21 Oct 2026 02:00:26 GMT</pubDate>
      <dc:date>Wed, 21 Oct 2026 02:00:26 GMT</dc:date>
      <dc:creator><![CDATA[Helen Cho]]></dc:creator>
      <category><![CDATA[Hydrangea Care &amp; Cultivation]]></category>
      <description><![CDATA[Compare eight hydrangeas for full sun by mature size, flower color, heat tolerance, stem strength, and the regional conditions each selection actually needs.]]></description>
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      <title><![CDATA[Hydrangeas in Pots: Container Care &amp; Winter Protection]]></title>
      <link>https://www.plantref.org/care/hydrangea-in-pots-container-care</link>
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      <pubDate>Mon, 12 Oct 2026 02:00:25 GMT</pubDate>
      <dc:date>Mon, 12 Oct 2026 02:00:25 GMT</dc:date>
      <dc:creator><![CDATA[Dr. Sarah Green]]></dc:creator>
      <category><![CDATA[Hydrangea Care &amp; Cultivation]]></category>
      <description><![CDATA[Grow hydrangeas in pots with the right species, an 18-inch container, steady watering, and a winter plan that keeps roots from freezing solid.]]></description>
      
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      <title><![CDATA[Panicle Hydrangea Guide: Limelight, Little Lime &amp; More]]></title>
      <link>https://www.plantref.org/care/panicle-hydrangea-guide</link>
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      <pubDate>Sun, 11 Oct 2026 02:00:26 GMT</pubDate>
      <dc:date>Sun, 11 Oct 2026 02:00:26 GMT</dc:date>
      <dc:creator><![CDATA[William "Bill" Crawford]]></dc:creator>
      <category><![CDATA[Hydrangea Care &amp; Cultivation]]></category>
      <description><![CDATA[The complete panicle hydrangea guide: compare Limelight, Little Lime, Bobo, Quick Fire and more, plus planting, pruning, tree-form training and hedging tips.]]></description>
      
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      <title><![CDATA[How to Change Hydrangea Color: Blue, Pink &amp; Purple]]></title>
      <link>https://www.plantref.org/care/how-to-change-hydrangea-color</link>
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      <pubDate>Sun, 04 Oct 2026 02:00:26 GMT</pubDate>
      <dc:date>Wed, 07 Oct 2026 04:09:31 GMT</dc:date>
      <dc:creator><![CDATA[Dr. Sarah Green]]></dc:creator>
      <category><![CDATA[Hydrangea Care &amp; Cultivation]]></category>
      <description><![CDATA[Learn how to change hydrangea color with soil pH and aluminum, step-by-step methods for blue, pink, and purple flowers, and which hydrangeas can change.]]></description>
      
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      <title><![CDATA[Hydrangea Not Blooming? 7 Causes and the Old Wood Fix]]></title>
      <link>https://www.plantref.org/care/hydrangea-not-blooming</link>
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      <pubDate>Sat, 03 Oct 2026 02:00:25 GMT</pubDate>
      <dc:date>Wed, 07 Oct 2026 04:09:31 GMT</dc:date>
      <dc:creator><![CDATA[Terrence "TJ" Johnson]]></dc:creator>
      <category><![CDATA[Hydrangea Care &amp; Cultivation]]></category>
      <description><![CDATA[Hydrangea not blooming? Pruning off old-wood buds is the usual culprit. Diagnose all 7 causes, from bud kill to shade, and get flowers back next summer.]]></description>
      
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      <title><![CDATA[Hydrangea Types Explained: Pruning, Color &amp; Care Guide]]></title>
      <link>https://www.plantref.org/care/hydrangea-types-explained</link>
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      <pubDate>Fri, 02 Oct 2026 02:00:25 GMT</pubDate>
      <dc:date>Wed, 07 Oct 2026 04:09:31 GMT</dc:date>
      <dc:creator><![CDATA[Dr. Sarah Green]]></dc:creator>
      <category><![CDATA[Hydrangea Care &amp; Cultivation]]></category>
      <description><![CDATA[Learn the six hydrangea types grown in US gardens, how to identify each one, when to prune it, which change color, and which thrive in your zone.]]></description>
      
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    <item>
      <title><![CDATA[Hydrangea Leaves Turning Brown: Causes and Solutions]]></title>
      <link>https://www.plantref.org/care/hydrangea-leaves-turning-brown</link>
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      <pubDate>Wed, 30 Sep 2026 02:00:26 GMT</pubDate>
      <dc:date>Wed, 30 Sep 2026 02:00:26 GMT</dc:date>
      <dc:creator><![CDATA[Terrence "TJ" Johnson]]></dc:creator>
      <category><![CDATA[Hydrangea Care &amp; Cultivation]]></category>
      <description><![CDATA[Hydrangea leaves turning brown can signal sun scorch, watering trouble, Cercospora, or anthracnose. Match the pattern to the right fix.]]></description>
      
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