Endres fills his home garden with more than 60 planted containers (he has another 80 at his restaurant and nursery). Here are his foolproof strategies for creating pots that dazzle and delight. (Customize your own potting-soil blend.)nbsp;Impressive plants, or thrillers, like the tropical ‘Lime Zinger’ elephant’s ear, command attention and serve as a focal point. A large pot and the extra volume of soil allow the container to be underplanted, as it is here with the spiller Pilea microphylla…