This blog is written by author Sachiko who is not a native speaker of English, so it may be hard to read. It is translated from the summary of Japanese page;

Rusted sickle and scissors

It has been raining since last night in Odate.

I had forgotten to bring the farm tools back home last season, then they got rusty because of rain.

Rain is often blessing to the cherry blossoms to open, sometimes rotting iron.