- You Will Get 150 Seeds Of Texas Bluebonnet Lupine Lupinus Texensis Flower Seeds. - Description: - Name: Texas Bluebonnet Lupine. - Scientific Name: Lupinus Texensis. - Color: Dark Blue. - Plant Seeds: Outdoors After Frost / Indoors Weeks Before Last Frost. - Plant Height: 12 - 24". - Plant Spacing: 12 - 15". - Bloom Time: Spring – Summer. - Hardiness Zone: 3 - 9 (& Reseeds Itself Easily). - Light Requirements: Sun. - Soil & Water Preferences: Average – Dry.