Houston's live oaks hold their leaves all winter and then, in late March, let go of nearly all of them at once, just as new green pushes through and strands of yellow pollen sift onto cars and porches. Newcomers worry the trees are dying; anyone who has lived through a few springs here just reaches for a rake. Green Leaf Pro does lawn care in Houston, and this odd seasonal shedding is part of the job, clearing the leaf fall from lawns and beds so the grass underneath can catch the sun it has been waiting for. A gusty afternoon can bury a yard again by evening, which makes a cleared one feel like a small victory. Within a couple of weeks the oaks are fully dressed in fresh leaves, and the turf beneath them is free to grow.