- That’s the most disturbing thing about the map. You think you’ve got it bad, and then you see some other part of the country has it worse, much worse. I shudder to think what it looks like in those “exceptional” areas.
- Check out the 6-week and 12-week animations at the bottom of the page, and watch the drought expand and contract. Drought conditions along Lakes Ontario and Erie had just about disappeared by 31 August, and then returned worse than ever on 4 September.
- The map reflects a synthesis of several indicators and is meant to give the big picture. Just as with hardiness zones, your particular dot on the map may not be accurately represented.
Marcescence is the retention of dead plant organs that normally are shed. It is most obvious in deciduous trees that retain leaves through the winter. Several trees normally have marcescent leaves such as oak (Quercus), beech (Fagus) and hornbeam (Carpinus).
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