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La Niña overstaying her welcome? | New World Seeds & Tubers

This just in from Zack Guido and Mike Crimmins, and referred to my attention by Jeuri:

Evidence suggests La Nina will return this winter

The authors have a bias for a different part of the country than we live and grow our crops in: our weather turns wetter, not drier, though I know that many parts of the world do turn drier in a La Niña event, due to the Jet Stream weakening.

An intense La Niña tends to persist for multiple years; one even lasted for 34 consecutive months between 1954 and 1957.

1955 was the year that Sea-Tac registered its record low temperature of 0F (roughly -18C). Temperatures that low kill native plants here; Salal (a ubiquitous native evergreen shrub here, known to outlanders as “Lemon Leaf” in flower arrangements) was killed in Whatcom County.

I don’t think that’s cold enough to kill wheat; some Brassicas might be in trouble; hopefully there will be enough snow cover to protect them if we see cold like that.

We don’t own a single greenhouse. Last year I overwintered some plants in a “grow hole”. Then I had trouble keeping them alive when spring never happened.

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