OSP has many different types of greenhouses and gardens on its grounds. Be sure to visit and see the cacti collection house, nursery greenhouse, and tropical greenhouse.
OSP's staff collects cacti and succulents from around the world and preserves them in our cacti collection house. We propagate off these plants and over them for sale in a succulent greenhouse. Come check out one of the best cacti collections in Houston.
This is where the real jewels are hidden. We offer a mixture of great under rated natives and very unusual exotics. We always have your necessary culinary herbs and hardy perennials. As always we have the best collection of native milkweeds in Houston. All safe and pesticide free.
Some of interesting little conifers,The longleaf pine (Pinus palustris), Cupressus lusitanica, Chamaecyparis pisifera 'Snow'
Mother ferns (Woodwardia orientalis) and chestnut vines (Tetrastigma voinierianum) are great hardy plants for Houston.