- You Will Get 100 Seeds Of Pink Drummond Phlox Phlox Drummondii Flower Seeds. - Description: - Name: Pink Drummond Phlox. - Scientific Name: Phlox Drummondii. - Color: Pink. - Plant Seeds: Outdoors After Frost / Indoors Weeks Before Last Frost. - Plant Height: 6 - 12". - Plant Spacing: 12 - 15". - Bloom Time: Late Summer. - Hardiness Zone: N/A. - Light Requirements: Sun - Part Shade. - Soil & Water Preferences: Average – Dry.