Planet Granex type short day. Excel, Texas Grano, Granex, White Granex and Tropicana Red
no later than mid Dec., if later will not bulb well. Take 4-5 months to bulb. When 25% of tops fall over.
Harvest in may.

http://www.botanicalinterests.com/store/search_results_detail.php?seedtype=V&seedid=455 In late summer or early fall. Mid-October is the recommended traditional planting period. When to start inside: In late summer, 8-12 weeks before transplanting outside. Transplant outside no later than 6 weeks before the average first fall frost date. The earlier the start, the better, because the size of the bulb is directly related to how big the foliage gets before bulb initiation occurs.