The stockpile is deep and ripe. Chefs, mixologists and farmers exchange code words like “Green Zebra,” “Mr. Stripey” and “Cherokee Purple” and strategies such as juice, dice, slice and fry. It’s time to roll. The Attack of the Killer Tomato Festival is going down Sunday, July 17, at Park Tavern in Piedmont Park, and chefs from Aria, Ormsby’s,Gunshow and Milton’s Cuisine & Cocktails are elbow deep in the action. Who will contrive the tastiest tomato dishes and the best adult elixirs during the 1-5 p.m. battle backed by live music? One way to find out: Buy tickets to this eighth annual bombardment benefiting Georgia Organics. General admission tickets are $45 each; Georgia Organics members pay $40 per person; Garnish & Gather AKTF package is $70 per person. Buy tickets at Xorbia through July 16 (small service charge added at checkout).