Häggen i juni (efter en mycket varm maj)

Maj har varit ovanligt varm med ett flertal nya värmerekord för månaden. Förra måndagen hade faktiskt Älvsbyn tillsammans med grannstaden Boden varmast i landet den dagen med 29,5°C. Det har gjort att häggen har utvecklats i rekordfart från i början av maj, när häggen fortfarande var omgiven av snö och knopparna precis hade börjat spricka, genom hela blomningen till nu när de befruktade pistillerna redan håller på att omvandlas till omogna bär. Flera av bladen verkar vara angripna av något. Vet inte vad.

May has been unusually warm with several new heat records for the month. Last Monday Älvsbyn, together with the neighbouring town Boden, actually had the warmest outdoor temperature (29,5°C=85,1°F) in the entire country that day. Because of this the bird cherry has changed very fast from early May when it was still surrounded by snow and the buds were just beginning to burst, through flowering until now when the fertilized pistils are already changing into unripe berries. Many of the leaves seem to be attacked by something. Don’t know what.

 

Häggen för fyra veckor sedan / The bird cherry four weeks ago:

 

Häggen för tre veckor sedan / The bird cherry three weeks ago:

 

Häggen för två veckor sedan / The bird cherry two weeks ago:

 

Häggen för en vecka sedan / The bird cherry one week ago:

 

Häggen idag (och några av de omgivande maskrosorna) / The bird cherry today (and some of the surrounding dandelions):

Fotona är tagna i Älvsbyn 7, 15, 22 och 30 maj och 6 juni 2018.

Im following a treeKolla även in andra trädföljare på The Squirrelbasket (internationellt).


Kommentarer

Häggen i juni (efter en mycket varm maj) — 4 kommentarer

  1. What a change in your seasons – nature must work very quickly to make the most of the sunnier days, although we are all worried about global warming…
    I think those leaves have something similar to my linden – those red growths are probably from a Eriophyes nail gall mite, such as Eriophyes cerasicrumena, which apparently attacks black cherries – not sure about bird cherries. I don’t think they do too much harm unless there are lots of them.
    All the best – enjoy the sunshine 🙂

    • Yes, May this year has been extreme. But this far north the seasons usually move more or less directly from winter to summer. Spring, as a separate season like it exists further south rather than just the time when the snow melts, is very brief if it exists at all.

      Instead we have a much loved season which in Swedish is usually referred to as vårvinter (literally spring-winter) which is basically late winter (from approximately late March-early April until the snow has melted in May-early June depending on where you are) when daylight returns and it gets warm enough for outdoors activites but it’s still winter and snow.

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