The 35th Annual Spring Native Plant Sale fundraiser at the Heard Natural Science Museum & Wildlife Sanctuary will feature a huge selection of native plants, hard-to-find herbs, and well-adapted plants. For over 30 years, veteran and novice gardeners alike have anticipated this rare opportunity to purchase some of the best plants for North Central Texas gardens and obtain many rare plants. The Heard's plant sale will also feature a selection of native milkweed plants.