Soon after my parents got married, they bought a plum tree. I'm not quite sure why, but I believe it had something to do with the new couple "planting roots" or being told to "be fruitful and multiply." Now, thirty-three years later, I have five siblings and that same tree drops forty to fifty pounds of fruit between July and September each year. When you're facing 2 to 3 pounds of plums each day, you've got to get really creative. That's where a shrub syrup comes into play. A shrub is a deliciously tart fruit syrup, usually made of sugar, fresh fruit, and vinegar. More