State or province

Oklahoma

Oklahoma, United States of America: 9 ecoregions. Each with its climate now and toward 2050, and its conservation tier.

Landscape and climate

Nine ecoregions reach Oklahoma, which is remarkable for a state of its size. It comes from sitting where the eastern forest, the southern plains and the southwestern dry country all meet. Five are grassland systems, including the Western shortgrass prairie in the panhandle, the Central Tallgrass prairie, the Flint Hills tallgrass prairie and the Cross-Timbers savanna-woodland. Four are forest: the Ozark Highlands mixed forests and Ozark Mountain forests in the northeast, the Piney Woods and East Central Texas forests in the southeast. Six of the nine are in the Nature Imperiled tier. Rainfall falls off sharply from southeast to northwest, and that gradient rather than the state line is what a planting plan should follow.

Native plants of Oklahoma

Species in the catalog recorded as native to Oklahoma, each with its climate-fit grade and planting guidance.

Allegheny blackberry American basswood American beautyberry American elderberry American hazelnut American holly American hophornbeam American persimmon American plum American red raspberry American sweetgum American sycamore Annabelle hydrangea Aromatic aster Bald cypress Big bluestem Black cherry Black oak Black walnut Black willow Black-eyed Susan Blackhaw viburnum Bloodroot Blue false indigo Blue grama Blue vervain Boneset Boxelder Bur oak Butterfly weed Canada goldenrod Cardinal flower Chinkapin oak Chokecherry Christmas fern Common blue violet Common hackberry Common ninebark Common sunflower Common witch hazel Common yarrow Cutleaf coneflower Eastern cottonwood Eastern prickly pear Eastern red cedar Eastern redbud Flowering dogwood Foxglove beardtongue Golden alexanders Green hawthorn Groundnut Highbush blueberry Honey locust Indian grass Indian pink Lady fern Lanceleaf coreopsis Largeflower tickseed Little bluestem Loblolly pine Marginal wood fern Mayapple Maypop (purple passionflower)Narrow-leaved coneflower New England aster New Jersey tea Northern maidenhair fern Northern red oak Northern spicebush Ohio buckeye Orange coneflower Pale purple coneflower Pawpaw Pecan Plains coreopsis Ponderosa pine Possumhaw Post oak Prairie dropseed Prairie ironweed Purple coneflower Red maple Red mulberry River birch River oats Rocky Mountain juniper Sassafras Shagbark hickory Side-oats grama Silver maple Soapweed yucca Southern red oak Stiff goldenrod Sugar maple Sunchoke Swamp milkweed Swamp sunflower Sweet Joe-Pye weed Switchgrass Trumpet honeysuckle Virginia iris Virginia sweetspire White oak Whorled milkweed Wild bergamot Wild geranium Willow oak Yaupon

Country

Step up to the country it sits in.

United States of America

Ecoregions here

Central Tallgrass prairie Central-Southern US mixed grasslands Cross-Timbers savanna-woodland East Central Texas forests Flint Hills tallgrass prairie Ozark Highlands mixed forests Ozark Mountain forests Piney Woods Western shortgrass prairie