Forsythias are spring announcers after the chill of winter.The article is on pruning which forms an essential requirement for forsethia bloom. Summer pruning (after flowers are shed( could have been elucidated to inform forsythia lovers about the importantance of this pruning, .
The article originally ran exactly at the time in the States when forsythia should be pruned - at the time we had no idea that articles would ever be rerun at different times of year! But you're right, if I had it to do over again, there are definitely parts I would make clearer. Thanks for your insightful comment.