- Name: Bat Flower - Other Common Names: Cat’s Whiskers / Devil Flower - Scientific Name: Tacca Chantrieri - Color: Black 12” Wide Flowers - Plant Seeds: Outdoors After Frost / Indoors Weeks Before Last Frost - Bloom Time: Summer - Hardiness Zone: 10 - 11 - Plant Height: 24 - 36" - Plant Spacing: 36 - 48" - Light Requirements: Light Shade - Soil & Water Preferences: Average - Quantity: 5 Seeds - Other: As Mentioned Above, These Stunning Black Bat Shaped Flowers Reach 12” Wide! The Whiskers That Hang Down From Them Can Grow To 28” Long! They Are A Stunning Tropical Flower Like No Other!