Zucchini: summer vegetable for stir frying, sauteing, and barbecuing. CULTURE: See Winter Squash. HARVEST: For the best quality, pick when blossoms on the end begin to wilt. Store at 55F/12C. High humidity and cooler temperatures will cause injury. For Zucchini bread harvest when 3" thick. You can use the blooms from the squash in salads and appetizers. The blooms have a nice buttery texture.