Plants: S

• Sugarberry Celtis laevigata Tree fruit
• Sulphur Barrenwort Epimedium × versicolor Creeping perennial
• Sulphur Buckwheat Eriogonum umbellatum Wildflower
• Sulphur Cosmos Cosmos sulphureus Garden annual
• Sulphur Penstemon Penstemon attenuatus Wildflower
• Summer Hyacinth Galtonia candicans Bulb
• Summer Savory Satureja hortensis Herb
• Summer Snowflake Leucojum aestivum Bulb
• Sundial Lupine Lupinus perennis Wildflower
• Sundrops Oenothera fruticosa Wildflower
• Sunflower Helianthus annuus Grain
• Sunn Hemp Crotalaria juncea Legume
• Sunrose Helianthemum nummularium Wildflower
• Sunset Hyssop Agastache rupestris Wildflower
• Superb Mariposa Lily Calochortus superbus Wildflower
• Surprise Lily Lycoris squamigera Bulb
• Swamp Azalea Rhododendron viscosum Flowering shrub
• Swamp Jessamine Gelsemium rankinii Vine
• Swamp Leather Flower Clematis crispa Garden perennial
• Swamp Lily Crinum americanum Garden perennial
• Swamp Milkweed Asclepias incarnata Wildflower
• Swamp Rose Rosa palustris Flowering shrub
• Swamp Sunflower Helianthus angustifolius Wildflower
• Swamp Tupelo Nyssa biflora
• Swamp White Oak Quercus bicolor Nut
• Swan River Daisy Brachyscome iberidifolia Garden annual
• Sweet Alyssum Lobularia maritima Garden annual
• Sweet Azalea Rhododendron arborescens Flowering shrub
• Sweet Betsy Trillium cuneatum Wildflower
• Sweet Coneflower Rudbeckia subtomentosa Garden perennial
• Sweet Crabapple Malus coronaria Flowering tree
• Sweet Fern Comptonia peregrina Low shrub
• Sweet Goldenrod Solidago odora Wildflower
• Sweet Iris Iris pallida Garden perennial
• Sweet Mock Orange Philadelphus coronarius Flowering shrub
• Sweet Pea Lathyrus odoratus Garden annual
• Sweet Pepperbush Clethra alnifolia Flowering shrub
• Sweet Potato Ipomoea batatas Root
• Sweet Scabious Scabiosa atropurpurea Garden perennial
• Sweet Sultan Amberboa moschata
• Sweet Violet Viola odorata Leafy
• Sweet William Dianthus barbatus Wildflower
• Sweet William Catchfly Silene armeria Wildflower
• Sweet Woodruff Galium odoratum Creeping perennial
• Sweetbay Magnolia Magnolia virginiana Flowering tree
• Sweetbriar Rose Rosa rubiginosa Flowering shrub
• Switchgrass Panicum virgatum Grass
• Sword Fern Polystichum munitum Creeping perennial