Option 1: Ordinary corn meal from your local feed store. Option2: You can try spraying with milk in a hose end sprayer. Set the dial for 3 ounce per gallon and tray to put a full 3 ounces on per 1,000 square feet.

can you rule out lichens .. if it is that.. its irrelevant .... a gift from the garden gods .... need that pic ... will await such ken Here is a link that might be useful: link

a free show of mother nature... and some suggest a sign of good air quality ... enjoy it ... as to the rest.. first.. ID the tree ... here.. with pix of the leaves ... then decide if its a quality .. long lived tree ... then step back.. and decide if its overhanging anything of value.. like your life or your house ... maybe the neighbors.. if they are worthy ... AND THEN DECIDE IF TRIMMING IS NEEDED... if its a carp tree.. one basal cut at ground level.. solves all your problems ... in other words.. old, crumby trees may not be worth investing in pruning ... and my be one of the reasons the prior owners sold and ran away ... at this point.. you dont really need to spend money.. for the ID ... and that is where we begin ... and a pic of the whole situation... house.. tree .. etc ... will get you opinion if you need a certified arborist.. or a monkey with a chainsaw and insurance .... ken

Yea looks like that! I just googled it. Seems like I'm pretty much just waiting until fall in that case... Some places say its from dryness but that is NOT my problem. Some say fertilize some say DONT fertilize. I basically have crappy undrained soil.