Combination search
Looking for commercially available native plant species suitable to your state or region, try the Recommended Species page.
| scientific name | common name(s) | image gallery |
| Habenaria repens | Waterspider Bog Orchid Water-spider Orchid | |
| Hasteola suaveolens | False Indian Plantain Sweet Indian Plantain | |
| Halesia tetraptera | Mountain Silverbell Carolina Silverbell Four-wing Silverbell Silverbell Tree | |
| Halesia tetraptera var. monticola | Mountain Silverbell | |
| Hackelia virginiana | Beggarslice Beggar's-lice Stickseed Sticktight Wild Comfrey Virginia Stickseed | |
| Hamamelis virginiana | Witch-hazel American Witch-hazel Common Witch-hazel Winterbloom Snapping Hazelnut Striped Alder Spotted Alder Tobacco-wood Water-witch | |
| Helianthus agrestis | Southeastern Sunflower | |
| Helenium amarum | Yellow Sneezeweed Bitterweed Yellow Bitterweed Yellowdicks Slender-leaved Sneezeweed Fine-leaved Sneezweed Yellow Dog-fennel | |
| Heuchera americana | American Alumroot Alumroot | |
| Helenium amarum var. amarum | Yellow Bitterweed Yellowdicks | |
| Heuchera americana var. americana | American Alum-root American Alumroot | |
| Helianthus angustifolius | Swamp Sunflower Narrowleaf Sunflower Narrow-leaved Sunflower | |
| Helianthus annuus | Common Sunflower Annual Sunflower | |
| Hexastylis arifolia | Little Brown Jug Heartleaf Evergreen Wild Ginger | |
| Hexastylis arifolia var. arifolia | Heart-leaf Ginger Heart-leaf Little Brown Jug Little Brown Jug | |
| Hexastylis arifolia var. callifolia | Littlebrownjug Little Brown Jug | |
| Hexastylis arifolia var. ruthii | Ruth's Little Brown Jug | |
| Helianthus atrorubens | Purpledisk Sunflower | |
| Helenium autumnale | Common Sneezeweed Fall Sneezeweed Autumn Sneezeweed | |
| Helenium autumnale var. autumnale | Common Sneezeweed | |
| Helianthemum bicknellii | Hoary Frostweed Bicknell's Hoary Rock-rose Bicknell's Rock-rose Plains Frostweed | |
| Helenium brevifolium | Shortleaf Sneezeweed | |
| Helonias bullata | Swamp Pink | |
| Heterotheca camporum | Lemonyellow False Goldenaster Golden Aster | |
| Helianthemum canadense | Longbranch Frostweed Frostweed Rock Frost Frostplant Frostwort | |
| Helianthemum carolinianum | Carolina Frostweed | |
| Heterotheca camporum var. glandulissimum | Lemonyellow False Goldenaster | |
| Helianthemum corymbosum | Pine Barren Frostweed Clustered Rock-rose | |
| Heliotropium curassavicum | Salt Heliotrope Seaside Heliotrope Quail Plant Cola De Mico Cola De Gama | |
| Heliotropium curassavicum var. curassavicum | Salt Heliotrope | |
| Helianthus decapetalus | Thinleaf Sunflower Ten-petaled Sunflower Thin-leaved Sunflower Pale Sunflower | |
| Helianthus debilis | Cucumberleaf Sunflower Cucumber-leaf Sunflower Beach Sunflower | |
| Helianthus debilis ssp. cucumerifolius | Cucumberleaf Sunflower | |
| Helianthus debilis ssp. tardiflorus | Cucumberleaf Sunflower | |
| Helianthus divaricatus | Woodland Sunflower Rough Sunflower | |
| Heteranthera dubia | Grassleaf Mudplantain Water Stargrass | |
| Helenium flexuosum | Purplehead Sneezeweed Purple-head Sneezeweed | |
| Helianthus floridanus | Florida Sunflower | |
| Helianthemum georgianum | Georgia Frostweed Rockrose Georgia Sunrose | |
| Helianthus giganteus | Giant Sunflower | |
| Helianthus ×glaucus | Sunflower | |
| Helianthus glaucophyllus | Whiteleaf Sunflower | |
| Helianthus grosseserratus | Sawtooth Sunflower | |
| Hexastylis heterophylla | Variable-leaf Heartleaf | |
| Helianthus heterophyllus | Variableleaf Sunflower Wetland Sunflower | |
| Heliopsis helianthoides | Smooth Oxeye Oxeye Sunflower False Sunflower | |
| Heliopsis helianthoides var. gracilis | Pinewoods Oxeye Smooth Oxeye | |
| Heliopsis helianthoides var. helianthoides | Smooth Oxeye | |
| Hedeoma hispida | Rough False Pennyroyal | |
| Helianthus hirsutus | Hairy Sunflower Rough Sunflower | |
| Helianthus ×laetiflorus | Cheerful Sunflower | |
| Helianthus laevigatus | Smooth Sunflower | |
| Helianthus longifolius | Longleaf Sunflower | |
| Heracleum maximum | Common Cowparsnip Cow Parsnip | |
| Heteropogon melanocarpus | Sweet Tanglehead | |
| Helianthus microcephalus | Small Woodland Sunflower | |
| Helianthus mollis | Ashy Sunflower Downy Sunflower | |
| Hepatica nobilis | Hepatica | |
| Hepatica nobilis var. acuta | Sharplobe Hepatica Sharp-lobed Hepatica Mountain Hepatica | |
| Hepatica nobilis var. obtusa | Roundlobe Hepatica Round-lobed Hepatica Liverleaf | |
| Helianthus occidentalis | Fewleaf Sunflower Western Sunflower | |
| Helianthus occidentalis ssp. occidentalis | Fewleaf Sunflower | |
| Heuchera parviflora | Littleflower Alumroot | |
| Helianthus pauciflorus | Stiff Sunflower Prairie Sunflower | |
| Helianthus pauciflorus ssp. pauciflorus | Stiff Sunflower | |
| Heuchera parviflora var. parviflora | Little-flower Alum-root Little-flower Alumroot Littleflower Alumroot | |
| Helenium pinnatifidum | Southeastern Sneezeweed | |
| Helenium ×polyphyllum | Sneezeweed | |
| Helianthus porteri | Confederate Daisy Stone Mountain Daisy Porter's Sunflower | |
| Hedeoma pulegioides | American False Pennyroyal | |
| Helianthus radula | Rayless Sunflower | |
| Heteranthera reniformis | Kidneyleaf Mudplantain Kidney-leaf Mud-plantain | |
| Helianthus resinosus | Resindot Sunflower | |
| Helianthemum rosmarinifolium | Rosemary Frostweed Sun Rose | |
| Hexastylis shuttleworthii | Largeflower Heartleaf Shuttleworth's Ginger | |
| Hexastylis shuttleworthii var. harperi | Largeflower Heartleaf | |
| Hexastylis shuttleworthii var. shuttleworthii | Largeflower Heartleaf | |
| Helianthus simulans | Muck Sunflower Narrow-leaved Sunflower Swamp Sunflower | |
| Helianthus smithii | Smith's Sunflower | |
| Hexalectris spicata | Spiked Crested Coralroot Spiked Crested Coral Root | |
| Hexalectris spicata var. spicata | Spiked Crested Coralroot Spiked Crested Coral Root | |
| Helianthus strumosus | Paleleaf Woodland Sunflower Paleleaf Sunflower Woodland Sunflower | |
| Heterotheca subaxillaris | Camphorweed Camphor Weed | |
| Heliotropium tenellum | Pasture Heliotrope White Heliotrope | |
| Helianthus tuberosus | Jerusalem Artichoke Sunchoke | |
| Helenium vernale | Savanna Sneezeweed | |
| Helianthus verticillatus | Whorled Sunflower | |
| Heuchera villosa | Hairy Alumroot | |
| Hexastylis virginica | Virginia Heartleaf | |
| Heuchera villosa var. villosa | Hairy Alumroot | |
| Hibiscus aculeatus | Comfortroot Big Thicket Hibiscus Pineland Hibiscus | |
| Hibiscus coccineus | Scarlet Rosemallow Crimson Rosemallow Wild Red Mallow Texas Star Hibiscus | |
| Hieracium gronovii | Queendevil | |
| Hibiscus grandiflorus | Swamp Rose-mallow Pink Swamp Hibiscus Large-flowered Hibiscus | |
| Hibiscus laevis | Halberdleaf Rosemallow Halberdleaf Hibiscus Scarlet Rose Mallow Halberd-leaved Hibiscus Halberd-leaved Rose-mallow | |
| Hibiscus lasiocarpos | Woolly Rose-mallow Woolly Mallow Rose-mallow False Cotton | |
| Hieracium marianum | Maryland Hawkweed | |
| Hieracium megacephalon | Coastal Plain Hawkweed | |
| Hibiscus moscheutos | Crimson-eyed Rose-mallow Marshmallow Hibiscus | |
| Hieracium paniculatum | Allegheny Hawkweed | |
| scientific name | common name(s) | image gallery |
