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Even when I've made an effort, there are long periods when I cease to enter anything, usually due to depression about the garden's progress. In 2004, I entered nothing between April 27th and June 1st except to note on 6/1/04 that it was official that May ws the windiest May on record in this area of Kansas, averaging over 10 MPH continual wind. And in 2007, my entries simply ceased at the very hard and very late freeze around April 19th which put an end to the spring flowers that year and threatened all the young plants of my garden.
I have also defaced my Tallgrass Prairie Wildflowers guide (authored by Doug Ladd and Frank Oberle) with the dates when I observed the first blooms from a number of native forbs on the tract of land we own (see the sample page pictured above). In fact, it may reveal a small megalomaniac streak buried deep within my psyche, but I always secretly hope some of those records survive to be used by a future naturalist to document climate changes, just as Thomas Jefferson's garden notes have been used by biologists of the 20th Century. Mr. Jefferson and I have little else in common, but at least I take some comfort in the fact that his garden notes were also sporadic. For now, during the 15 or so years that I've been keeping records, I can tell you that I'm unable to conclude anything about global warming or cooling in the Flint Hills, except to say that the native plants follow the general average temperatures of the year pretty well. The earliest noted bloom of Blue Wild Indigo (Babtisia australis) in this area was on 4/26/04, one of the hottest years on record in Kansas, while in the more recent and cooler years I've found them around May 10th. In fact, the date I noted for the first bloom of this plant in 1996 (the first year I recorded it) was May 10th, exactly the same as it was last year in 2010. Maybe if I can keep this up for a hundred years, we'll at least know if Global Warming has affected Kansas.