Atkinson tomato has a loyal following in the Southeast where it thrives in the humidity and where tomato sandwiches are a summer favorite. It produces firm, meaty tomatoes all season long. This is a big tomato, up to 1 pound under good conditions, although a respectable half-pound is more typical.Plant from spring (after the last frost) through early summer. If you buy early, you can keep plants on a sunny windowsill until the weather warms. To plant early, protect plants with row cover. Disease resistance: FN. Plant spacing: 36 inches apart in conventional rows, 24 to 30 inches in intensive gardens.