In much a similar way to parents being shunned from having a favorite among their children, it feels wrong to say I have a favorite section of my garden. But I do. The cornstalks are shiny and stately rustling in the plains wind, the deep jewel green leaves of the squash plants are mysterious and exotic, the bright rows of herbs and lettuces are as lovely as any flower garden. But there is another section, a haven, a quiet sort of oasis of sweetly sharp scented leaves and jeweled toned heirlooms in every shade of purple, red, brown, white, yellow, pink, and orange: the tomato section. From the first of their unique scent at the end of winter when early tomatoes are peering brightly up at grow lights to the last days of harvest in fall when the last fruits are small and more useful for seed than culinary purposes, tomatoes will always be my favorite plant to grow.        Thus every year the heirloom features here will no doubt include a tomato type, this year being no …