Plant WitchPlants: S
- Sacred Datura Datura wrightii Garden perennial
- Sacred Lily Rohdea japonica Creeping perennial
- Sacred Lotus Nelumbo nucifera Garden perennial
- Safflower Carthamus tinctorius Garden annual
- Saffron Crocus Crocus sativus Garden perennial
- Sage Salvia officinalis Herb
- Sageleaf Rockrose Cistus salviifolius Flowering shrub
- Salal Gaultheria shallon Berry
- Salmonberry Rubus spectabilis Berry
- Salsify Tragopogon porrifolius Root
- San Luis Purple Sage Salvia leucophylla Flowering shrub
- Sand Dune Sedge Carex pansa Grass sedge
- Sand Penstemon Penstemon ambiguus Wildflower
- Sand Phlox Phlox bifida Creeping perennial
- Sandmat Manzanita Arctostaphylos pumila Low shrub
- Santa Barbara Sedge Carex barbarae Grass sedge
- Santa Cruz Island Buckwheat Eriogonum arborescens Flowering shrub
- Sargent Crabapple Malus sargentii Flowering shrub
- Sasanqua Camellia Camellia sasanqua Flowering shrub
- Sassafras Sassafras albidum Herb
- Satsuma Citrus unshiu Tree fruit
- Saucer Magnolia Magnolia × soulangeana Flowering tree
- Savanna Blazing Star Liatris scariosa
- Savin Juniper Juniperus sabina Creeping perennial
- Saw Palmetto Serenoa repens
- Sawsepal Penstemon Penstemon glaber Wildflower
- Sawtooth Sunflower Helianthus grosseserratus Wildflower
- Scabland Penstemon Penstemon deustus Wildflower
- Scallion Allium fistulosum Allium
- Scaly Blazing Star Liatris squarrosa Wildflower
- Scarlet Beeblossom Oenothera suffrutescens Wildflower
- Scarlet Betony Stachys coccinea Garden perennial
- Scarlet Bugler Penstemon centranthifolius Wildflower
- Scarlet Clematis Clematis texensis Vine
- Scarlet Flax Linum grandiflorum Garden annual
- Scarlet Gilia Ipomopsis aggregata Wildflower
- Scarlet Ginger Lily Hedychium coccineum Garden perennial
- Scarlet Globemallow Sphaeralcea coccinea Wildflower
- Scarlet Larkspur Delphinium cardinale Wildflower
- Scarlet Monkeyflower Mimulus cardinalis Wildflower
- Scarlet Rosemallow Hibiscus coccineus Garden perennial
- Scarlet Sage Salvia splendens Garden annual
- Schisandra Schisandra chinensis Berry
- Scotch Rose Rosa spinosissima Flowering shrub
- Scouler's Willow Salix scouleriana Flowering shrub
- Screwbean Mesquite Prosopis pubescens Legume
- Sea Buckthorn Hippophae rhamnoides Berry
- Sea Kale Crambe maritima Brassica
- Sea Lavender Limonium platyphyllum Garden perennial
- Sea Oats Uniola paniculata Grass
- Sea Purslane Sesuvium portulacastrum Creeping perennial
- Sea Thrift Armeria maritima Garden perennial
- Seablush Plectritis congesta Wildflower
- Seacliff Buckwheat Eriogonum parvifolium Wildflower
- Searls' Prairie Clover Dalea searlsiae
- Seashore Dropseed Sporobolus virginicus Creeping perennial
- Seashore Mallow Kosteletzkya virginica Wildflower
- Seashore Paspalum Paspalum vaginatum Creeping perennial
- Seaside Daisy Erigeron glaucus Wildflower
- Seaside Goldenrod Solidago sempervirens Wildflower
- Sego Lily Calochortus nuttallii Wildflower
- Sensitive Fern Onoclea sensibilis Fern
- Sensitive Partridge Pea Chamaecrista nictitans Wildflower
- Serbian Bellflower Campanula poscharskyana Creeping perennial
- Serviceberry Amelanchier alnifolia Berry
- Sesame Sesamum indicum Grain
- Seven-Son Flower Heptacodium miconioides Flowering shrub
- Shadblow Serviceberry Amelanchier canadensis Flowering tree
- Shagbark Hickory Carya ovata Nut
- Shallot Allium cepa var. aggregatum Allium
- Sharp-Lobed Hepatica Hepatica nobilis var. acuta Wildflower
- Sharpleaf Penstemon Penstemon acuminatus Wildflower
- Shasta Daisy Leucanthemum × superbum Garden perennial
- Sheep Fescue Festuca ovina Creeping perennial
- Sheep Laurel Kalmia angustifolia Flowering shrub
- Shell Ginger Alpinia zerumbet Garden perennial
- Shellbark Hickory Carya laciniosa Nut
- Shelling Beans Phaseolus vulgaris Legume
- Shining Willow Salix lucida Flowering shrub
- Shinseiki Pear Pyrus pyrifolia Tree fruit
- Shirley Poppy Papaver rhoeas Garden annual
- Shooting Star Dodecatheon meadia Wildflower
- Shore Juniper Juniperus conferta Creeping perennial
- Short's Aster Symphyotrichum shortii Wildflower
- Showy Colchicum Colchicum speciosum Garden perennial
- Showy Fleabane Erigeron speciosus Wildflower
- Showy Goldeneye Heliomeris multiflora Wildflower
- Showy Goldenrod Solidago speciosa Wildflower
- Showy Jasmine Jasminum floridum Flowering shrub
- Showy Lady's Slipper Cypripedium reginae Wildflower
- Showy Milkweed Asclepias speciosa Wildflower
- Showy Penstemon Penstemon spectabilis Wildflower
- Showy Stonecrop Hylotelephium spectabile Succulent
- Showy Ticktrefoil Desmodium canadense Legume
- Shrimp Plant Justicia brandegeeana Flowering shrub
- Shrubby Boneset Ageratina havanensis Flowering shrub
- Shrubby Cinquefoil Dasiphora fruticosa Flowering shrub
- Shrubby Penstemon Penstemon fruticosus Wildflower
- Shrubby St. John's Wort Hypericum prolificum Flowering shrub
- Siam Tulip Curcuma alismatifolia Garden perennial
- Siberian Barren Strawberry Geum ternatum Creeping perennial
- Siberian Bugloss Brunnera macrophylla Creeping perennial
- 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
- Sideoats Grama Bouteloua curtipendula Grass
- Sieber's Crocus Crocus sieberi Garden perennial
- Siebold's Hosta Hosta sieboldiana Creeping perennial
- Siebold's Primrose Primula sieboldii Wildflower
- Signet Marigold Tagetes tenuifolia Garden annual
- Silk Floss Tree Chorisia speciosa Flowering tree
- Silky Aster Symphyotrichum sericeum Wildflower
- Silky Dogwood Cornus amomum Flowering shrub
- Silky Lupine Lupinus sericeus Wildflower
- Silky Prairie Clover Dalea villosa
- Silky-Leaf Woadwaxen Genista pilosa Creeping perennial