50-65 Days to maturity. Texas and Oklahoma Mix Wildflower Seeds. Non-GMO, annual or perennial. Custom blended wildflower mix for Texas and Oklahoma! This annual and perennial mixture is for ornamental landscaping in OK and most of Texas. For the extreme southern tip of Texas, use the Gulf Coast/Caribbean Mix. For the far eastern edge of TX, use the Southeast Mix. Flowers will provide color throughout the growing season. This mixture contains native and non-native species that adapted to the region. Seven grams covers up tp 50 square feet.