Howdy folks,

Both of the locations I have hives border large expanses of white pine & fir.  Both areas seem to produce a large amount of very gooey propolis, regardless of bee races (mixed NWC, Russian hybrids, Italians).  

I recently had a chance to look at some hives in an agricultural area (few trees, very few pines), and noticed almost no propolis in his hives.  Are pines (and other conifers) known to increase propolis production?  What other major plants do bees utilize for propolis?

Thanks,

Todd.

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