Tag Archives: El Niño

THE CHILL BANK IS FILLED?

But Do I Want Flowers Now?

    The season has been “chill,” literally and figuratively, the former predicted by weather experts based on a this year’s strong El Niño.    Because of El Niño, the West was pounded with rain; here in the Northeast, except for an occasional night, temperatures have been mild over the past few months, much milder than I remember for any other fall. It is those chilly, but not frigid, temperatures — in the range from 30 to 45 degrees Fahrenheit — that signal to plants that winter is over and it’s safe to begin unfolding flower buds or pushing new shoots from dormant buds. A certain number of hours within this temperature range does the trick, typically about a thousand hours, the exact requirements varying from plant to plant. Temperatures below 30 or above 45 degrees don’t contribute to the needed hours, can even set the clock …

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