Take another look at the sentence:
A strong wind __________ through the trees, loosening clumps of moss, dead branches, old kites, and baby squirrels, all of which fell to the wet ground below.
The sentence requires the past tense of blow, an irregular verb. Blew is the simple past form.
|Verb||Simple Present||Simple Past||Past Participle|
Blowed, the form you chose, is a spelling error. Before you continue, review the rules for irregular verbs.