Scott, thank you for the 2 excellent links explaining this. Especially
http://www.crh.noaa.gov/fsd/astro/season.htm as a visual one.

J =

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Celestial Habitats by J. Kolenovsky
2003 Honorable Mention Award, Keep Houston Beautiful
=F4=BF=F4 - http://www.celestialhabitats.com - business. Quoted by the Ho=
uston
Chronicle Lazy Gardener as 1 of 7 best gardening websites in Houston.
=F4=BF=F4 - http://www.hal-pc.org/~garden/personal.html - personal