There was a separate Providential Gardener Google Calendar, which goes back to July 2006, but Google calendar did not have the functionality I wanted. After extensive research, I went with Trumba, which has many useful features. In March 2008, I began using Trumba's software as service (SAS) calendar and built another website, What Grows On in RI, for it. Currently the Calendar shows up here in ProvGardener.com. In 2019, I'm building a new separate website for What Grows On in RI.
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The earliest Providential Gardener Calendar entry:
