- You Will Get 500 Seeds Of Pacific Beauty Yellow Marigold Calendula Officinalis Flower Seeds. - Description: - Name: Pacific Beauty Yellow Pot Marigold. - Scientific Name: Calendula Officinalis. - Color: Yellow. - Plant Seeds: Outdoors After Frost / Indoors Weeks Before Last Frost. - Plant Height: 12 - 24". - Plant Spacing: 12 - 15". - Bloom Time: Late Spring - Mid Fall. - Hardiness Zone: 3 – 10. - Light Requirements: Sun. - Soil & Water Preferences: Average.