 Don't harvest anything that is smaller in circumference than, say, your pinky. So we want to let them get bigger. This time of year would be an excellent time to throw a little bit of a slow-release fertilizer out there, but something that will move through the soil a little bit. The Garden Guide, Saturday mornings at 8 on News Talk KVNU. Where you find out. News Talk KVNU, 6, 10 a.m. and 102.1 FM.