- You Will Get 100 Seeds Of Hairy Crown Vetch (Russian Vetch) Vicia Villosa Flower Vine Seeds. - Description: - Name: Hairy Vetch. - Other Common Names: Russian Vetch. - Scientific Name: Vicia Villosa. - Color: Purple. - Plant Seeds: Fall. - Plant Height: 24 - 36". - Plant Spacing: 12 - 15". - Bloom Time: Spring – Summer. - Hardiness Zone: 4 – 10. - Light Requirements: Sun - Part Shade (Tolerates Heat Well). - Soil & Water Preferences: Average – Dry.