- Name: Sweet Vernal Grass - Other Common Names: Sweet Grass / Vanilla Grass / Scented Vernal Grass / Spring Grass / Vernalgrass - Scientific Name: Anthoxanthum Odoratum - Color: Brown / White Seed Heads With Hints Of Red - A "Wheat" Color After Some Time In The Sun - Plant Seeds: Outdoors After Danger Of Frost / Indoors Weeks Before Last Frost - Harvest: At Any Time / Once It Reaches Your Desired Length. Cut Grass Will Regrow & Can Be Harvested More Than Once In A Season. - Bloom Time: April - June - Hardiness Zone: 3 - 10 - Plant Height: 12 - 18" - Plant Spacing: 9 - 12" - Light Requirements: Sun - Part Shade - Soil & Water Preferences: Average - Dry - Quantity: 150 Seeds