I want to start a master list of our own. Post your observations and I'll add them to the list so everything is in one place. Include the year, your location with USDA Zone and/or Sunset Zone, and relative date to last avearage last frost. Let's see what happens. If it turns out to be useful, we can stickify this thread.
******** PHENOLOGICAL (NATURE'S) SIGNS FOR GARDENING *******
Found on Botanical Interests Windsor Fava beans pkt:jal_ut wrote:Spinach is the exception, you can plant that anytime from november until June. Not that it will grow through winter, but it will survive and get going as soon as the temperatures are favorable. I usually have some lettuce and spinach go to seed each year, then it comes up all over in the spring.
Cold winter climates: Very early spring, when soil temperatures are as low as 35Ã‚Â° F. Sow Ã¢â‚¬Å“when the crocus emerge!Ã¢â‚¬