WebMD posted a story about the likelihood of a “brutal” ragweed season in the next few weeks across the US. Ragweed grows best when temperatures are hot and moisture is plentiful. There has been enough of both earlier in this growing season to cause worries that a large ragweed population may bring lots of pollen to the US. This is somewhat less of a problem in the Southeast than in other areas of the country, since we have been relatively dry compared to other regions, but if you travel you may experience more problems with seasonal allergies than usual. You can read more here.