- You Will Get 1000 Seeds Of Tall Utah Celery Apium Graveolens Dulce Vegetable Seeds. - Description: - Name: Tall Utah Celery. - Scientific Name: Apium Graveolens Var. Dulce. - Color: Green. - Plant Seeds: Outdoors After Frost / Indoors Weeks Before Last Frost. - Plant Height: 12 - 18". - Plant Spacing: 9 - 12". - Harvest: 120 Days. - Light Requirements: Sun. - Soil & Water Preferences: Average.