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Prostrate Rosemary. I have planted some of this as groundcover. I don't intend on letting it get this bushy though. Prostrat Rosemari, Yard Gardens, Magnolias Gardens, Front Yard, Trail Rosemari, Gardens Nurseries, Creeping Rosemari, Gardens Photo, Entrance Gardens
You can grow an olive tree in a concrete planter on a deck. They're really hardy, don't mind heat generated by their pot and don't require insects to pollinate them. I've had one for 16 years in a terracotta pot and although the pot keeps it small, it still rewards me with enough olives to brine for my pantry.