Northern Hemisphere players will have cherry bloom trees from April 1-10. In view of examples we've seen in fish and bugs Animal Crossing Items, this implies Southern Hemisphere players will probably have cherry blooms from Oct. 1-10.
You can discover cherry bloom regular plans — just during these timespans — by killing inflatables with your Slingshot. It might be conceivable to get these plans from messages you find in bottles on the sea shore, also www.lolga.com. In the event that you don't get the entirety of the plans when the cherry blooms quit blossoming, you'll be stuck between a rock and a hard place until one year from now (except if you time travel), and you'll need to implore a few companions to fabricate a portion of these plans for you.