Plant WitchPlants for zone 3
1072 plants hardy in USDA zone 3.
- Siberian Catmint Nepeta sibirica Garden perennial
- Siberian Cypress Microbiota decussata Creeping perennial
- Siberian Iris Iris sibirica Garden perennial
- Siberian Squill Scilla siberica Bulb
- Siberian Wallflower Erysimum × marshallii Wildflower
- Sicklekeel Lupine Lupinus albicaulis Wildflower
- Sidebells Penstemon Penstemon secundiflorus Wildflower
- Sieber's Crocus Crocus sieberi Garden perennial
- Siebold's Hosta Hosta sieboldiana Creeping perennial
- Siebold's Primrose Primula sieboldii Wildflower
- Silky Aster Symphyotrichum sericeum Wildflower
- Silky Lupine Lupinus sericeus Wildflower
- Silky Prairie Clover Dalea villosa
- Silky-Leaf Woadwaxen Genista pilosa Creeping perennial
- Silver Buffaloberry Shepherdia argentea Berry
- Silver Sage Salvia argentea
- Silver Sedge Carex platyphylla Grass sedge
- Silverleaf Phacelia Phacelia hastata Wildflower
- Silvermound Artemisia schmidtiana Creeping perennial
- Silverweed Argentina anserina Creeping perennial
- Silvery Lupine Lupinus argenteus Wildflower
- Singleleaf Pinyon Pinus monophylla Nut
- Singleseed Juniper Juniperus squamata Low shrub
- Siskiyou Lewisia Lewisia cotyledon Wildflower
- Sitka Willow Salix sitchensis
- Skunkbush Sumac Rhus trilobata Low shrub
- Sky Blue Aster Symphyotrichum oolentangiense Wildflower
- Slender Cinquefoil Potentilla gracilis Wildflower
- Slender Deutzia Deutzia gracilis Flowering shrub
- Small Yellow Foxglove Digitalis lutea Wildflower
- Small-Flowered Penstemon Penstemon procerus Wildflower
- Smoke Tree Cotinus coggygria Flowering shrub
- Smooth Beardtongue Penstemon laevigatus
- Smooth Hydrangea Hydrangea arborescens Flowering shrub
- Smooth Rose Rosa blanda Flowering shrub
- Smooth Sumac Rhus glabra Fruiting
- Snake's Head Fritillary Fritillaria meleagris Bulb
- Snap Peas Pisum sativum var. macrocarpon Legume
- Snapdragon Antirrhinum majus Garden annual
- Sneezeweed Helenium autumnale Garden perennial
- Sneezewort Achillea ptarmica Herb
- Snow Crocus Crocus chrysanthus Garden perennial
- Snow-in-Summer Cerastium tomentosum Creeping perennial
- Snowdrop Galanthus nivalis Bulb
- Snowdrop Anemone Anemone sylvestris Creeping perennial
- Snowy Woodrush Luzula nivea Grass
- Soapweed Yucca Yucca glauca Wildflower
- Soapwort Saponaria officinalis Garden perennial
- Sorrel Rumex acetosa Leafy
- Sour Cherry Prunus cerasus Tree fruit
- Sourwood Oxydendrum arboreum Flowering tree
- Spanish Bluebell Hyacinthoides hispanica Bulb
- Spelt Triticum spelta Grain
- Spinach Spinacia oleracea Leafy
- Spotted Beebalm Monarda punctata Wildflower
- Spotted Deadnettle Lamium maculatum Creeping perennial
- Spotted Joe Pye Weed Eutrochium maculatum Wildflower
- Spreading Dogbane Apocynum androsaemifolium Wildflower
- Spreading Stonecrop Sedum divergens Creeping perennial
- Spring Beauty Claytonia virginica Wildflower
- Spring Cinquefoil Potentilla neumanniana Garden perennial
- Spring Snowflake Leucojum vernum Bulb
- Spuria Iris Iris spuria Garden perennial
- Staghorn Sumac Rhus typhina
- Star Magnolia Magnolia stellata Flowering shrub
- Starry False Solomon's Seal Maianthemum stellatum Creeping perennial
- Stemless Gentian Gentiana acaulis Wildflower
- Sticky Purple Geranium Geranium viscosissimum Wildflower
- Stiff Aster Ionactis linariifolius Wildflower
- Stiff Goldenrod Oligoneuron rigidum Wildflower
- Stiff Sunflower Helianthus pauciflorus Wildflower
- Stinking Hellebore Helleborus foetidus Garden perennial
- Stock Matthiola incana Brassica
- Strawberry Fragaria x ananassa Berry
- Strawberry Clover Trifolium fragiferum Creeping perennial
- Strawberry Foxglove Digitalis × mertonensis Wildflower
- Striped Squill Puschkinia scilloides Bulb
- Sugar Maple Acer saccharum Nut
- Sugarberry Celtis laevigata Tree fruit
- Sulphur Barrenwort Epimedium × versicolor Creeping perennial
- Sulphur Penstemon Penstemon attenuatus Wildflower
- Summer Snowflake Leucojum aestivum Bulb
- Sundial Lupine Lupinus perennis Wildflower
- Sunflower Helianthus annuus Grain
- Sunrose Helianthemum nummularium Wildflower
- Surprise Lily Lycoris squamigera Bulb
- Swamp Azalea Rhododendron viscosum Flowering shrub
- Swamp Milkweed Asclepias incarnata Wildflower
- Swamp Rose Rosa palustris Flowering shrub
- Swamp White Oak Quercus bicolor Nut
- Sweet Alyssum Lobularia maritima Garden annual
- Sweet Coneflower Rudbeckia subtomentosa Garden perennial
- Sweet Crabapple Malus coronaria Flowering tree
- Sweet Fern Comptonia peregrina Low shrub
- Sweet Iris Iris pallida Garden perennial
- Sweet William Dianthus barbatus Wildflower
- Sweet William Catchfly Silene armeria Wildflower
- Sweet Woodruff Galium odoratum Creeping perennial
- Sweetbriar Rose Rosa rubiginosa Flowering shrub
- Switchgrass Panicum virgatum Grass
- Sword Fern Polystichum munitum Creeping perennial
- Tahoka Daisy Machaeranthera tanacetifolia Wildflower
- Tall Fescue Schedonorus arundinaceus Grass
- Tall Goldenrod Solidago altissima
- Tall Green Milkweed Asclepias hirtella Wildflower
- Tall Ironweed Vernonia gigantea Wildflower
- Tapertip Hawksbeard Crepis acuminata Wildflower
- Tapertip Onion Allium acuminatum Allium
- Tarda Tulip Tulipa tarda Bulb
- Tassel Hyacinth Muscari comosum Bulb
- Tasteless Stonecrop Sedum sexangulare Creeping perennial
- Tatarian Aster Aster tataricus Garden perennial
- Tatsoi Brassica rapa subsp. narinosa Brassica
- Tayberry Rubus fruticosus x idaeus Berry
- Tazetta Daffodil Narcissus tazetta Bulb
- Tenpetal Blazingstar Mentzelia decapetala Wildflower
- Thimbleberry Rubus parviflorus Berry
- Thin-Leaved Sunflower Helianthus decapetalus Wildflower
- Thinleaf Huckleberry Vaccinium membranaceum Berry
- Threadleaf Coreopsis Coreopsis verticillata Wildflower