Study: Mulch, shade most effective methods of supporting Christmas tree survival 
Study: Mulch, shade most effective methods of supporting Christmas tree survival 
Great Lakes Echo
By Owen McCarthy A new study finds more natural methods of bolstering Christmas tree survival are more effective than chemical treatments.
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Study: Mulch, shade most effective methods of supporting Christmas tree surviva…
https://greatlakesecho.org/2026/05/27/study-mulch-shade-most-effective-methods-…