Winter may be southern California’s finest season. The temps are moderate (we’ve been in the 80s for most of February) and winter rains turn the hills into a lush green with native grasses. But weeds accompany the native grasses. Often abundantly. Our house has a slope, about 20 feet high and 90 feet long, covered with ice plant. I’ve discovered weeding it often is best, but navigating the bank in my old steel baseball cleats in my 70s can wear me out. So, I do it in stages. Just a few weeks ago…