- You Will Get 50 Seeds Of Persian Catmint Mussins Nepeta Racemosa Flower Seeds. - Description: - Name: Persian Catmint. - Scientific Name: Nepeta Racemosa. - Color: Lavender – Blue. - Plant Seeds: Outdoors After Frost / Indoors Weeks Before Last Frost. - Plant Height: 12". - Plant Spacing: 24". - Bloom Time: Spring – Summer. - Hardiness Zone: 4 - 8 (& Reseeds Itself). - Light Requirements: Sun - Part Shade. - Soil & Water Preferences: Average – Dry.