Encyclopedia
Definitive guides for crops, pests, and agricultural diseases.
Sunflower Seed (Peredovik)
Peredovik is a high-oil Russian sunflower cultivar prized for commercial seed production, offering excellent yields and strong disease resistance. This definitive guide covers soil preparation, planting, care, organic pest management, harvesting, and companion planting strategies.
View Guide
Sunflower Seed (Skyscraper)
Skyscraper is an exceptionally tall, high-yielding open-pollinated sunflower cultivar prized for both seed production and ornamental height. This guide delivers professional agronomic protocols for soil preparation, planting density, irrigation scheduling, and integrated pest management to maximize oilseed or confectionary harvests.
View Guide
Sunflower Seed (Titan)
Titan is a giant single-stem sunflower cultivar prized for its massive 18-24 inch flower heads and high seed yields. This fast-growing annual reaches 10-14 feet and is popular for both edible seed production and ornamental cut-flower use.
View Guide
sunn hemp
Sunn hemp is a fast-growing tropical legume prized as a green manure, cover crop, and fiber source that rapidly builds soil nitrogen while suppressing weeds and nematodes.
View Guide
Sunrise Bumble Bee Tomato
Sunrise Bumble Bee Tomato is a striking, bicolor cherry tomato variety prized for its sweet flavor and high productivity. This indeterminate type produces clusters of small, oval fruits with yellow-orange stripes over a red base. Gardeners favor it for both ornamental appeal and reliable yields in home and small-farm settings.
View Guide
sunscald
Sunscald is a common abiotic disorder affecting fruits and vegetables, caused by intense solar radiation and high temperatures damaging plant tissues. It manifests as bleached, sunken, or necrotic spots on exposed fruits, stems, and leaves, leading to reduced yields and marketability. Effective management relies on prevention through shading, mulching, and proper irrigation rather than chemical controls.
View Profile
Sunsugar Tomato
Sunsugar Tomato is a vigorous indeterminate cherry tomato cultivar prized for its exceptionally sweet, golden-orange fruit and high productivity. This professional guide covers soil, climate, planting, care schedules, organic pest management, harvesting, and companion planting strategies.
View Guide
Super Sweet 100 Tomato
Super Sweet 100 is a vigorous indeterminate hybrid cherry tomato prized for its prolific clusters of intensely sweet, 1-inch fruits that ripen in approximately 65 days. This variety combines high yields, disease resistance, and exceptional flavor, making it a favorite among home gardeners and commercial growers alike.
View Guide
Surinam Cherry (Black Star)
Surinam Cherry (Black Star) is a compact, evergreen shrub producing clusters of glossy black cherries with intense tropical flavor, ideal for hedges, containers, or small-space orchards. Thriving in subtropical climates, this low-maintenance Myrtaceae member offers year-round harvests, ornamental appeal, and nutritional benefits from its antioxidant-rich fruits. Perfect for home gardeners seeking productive, bird-attracting plants with minimal care.
View Guide
Surinam Cherry (Vermilion)
The Surinam Cherry (Vermilion), a vibrant tropical shrub bearing sweet-tart, vermilion-red fruits, thrives in warm climates and offers year-round harvests for home gardeners and small farms. Known for its ornamental glossy leaves and edible berries resembling small cherries, this low-maintenance crop is ideal for hedges, containers, or edible landscapes. With proper care, it yields abundant, nutrient-rich fruits high in vitamin C, perfect for fresh eating, jams, or desserts.
View Guide
Swallowtail larvae
Swallowtail larvae are colorful caterpillars of swallowtail butterflies that primarily target plants in the Apiaceae and Rutaceae families, defoliating herbs like parsley, dill, fennel, and citrus trees. While often considered beneficial pollinators in their adult form, the larvae can cause significant damage to vegetable gardens and orchards through rapid leaf consumption. This guide provides diagnostic, organic management, and prevention strategies for growers facing infestations.
View Profile
Swamp Milkweed
Swamp Milkweed is a native North American perennial prized by pollinator gardeners and restoration ecologists for its brilliant pink flowers and critical role as a host plant for monarch butterflies. It thrives in consistently moist soils and is an excellent choice for rain gardens, wetland margins, and low-lying agricultural buffers. This definitive guide covers everything from soil preparation and propagation through harvest, storage, and companion planting strategies for sustainable production.
View Guide
Swarna Rice
Swarna Rice, also known as Masuri, is a widely grown rice variety in India known for its high yield and adaptability. It is moderate in terms of cultivation difficulty, making it a suitable choice for many farmers across a range of climatic conditions.
View Guide
Sweet 100 Tomato
Sweet 100 Tomato is an indeterminate cherry tomato cultivar prized for its exceptionally high yields of tiny, super-sweet fruits. This vigorous vining variety produces clusters of 100 or more 1-inch tomatoes with Brix levels often exceeding 10, making it a favorite for home gardeners and market growers alike. Its disease resistance and adaptability across climates have cemented its status as a top-performing cherry tomato.
View Guide
Sweet cherry
Sweet cherry (Prunus avium) is a highly valued stone fruit crop prized for its juicy, flavorful fruits, but it faces significant challenges from pests, diseases, and environmental stresses that can devastate yields. This comprehensive guide provides professional diagnostic tools, organic management strategies, and prevention tactics to protect sweet cherry orchards and ensure bountiful harvests. Farmers and growers will find actionable advice on identification, lifecycle, and control measures tailored for sustainable production.
View Guide
Sweet Corn (Honey Select)
Sweet Corn 'Honey Select' is a widely admired bicolor, synergistic sweet corn cultivar known for excellent sweetness, strong ear quality, and dependable garden performance. It combines tender texture with improved holding ability on the stalk, making it especially valuable for home growers and market gardeners seeking premium fresh-eating corn.
View Guide
sweet flag
Sweet flag is a perennial wetland herb cultivated for its aromatic rhizomes used in traditional medicine, perfumery, and as a flavoring agent. This moisture-loving plant thrives in saturated soils and provides valuable ecological services in constructed wetlands and riparian buffers.
View Guide
Sweet Granadilla (Passiflora ligularis)
Sweet granadilla (Passiflora ligularis) is a tropical passionfruit vine prized for its sweet, gelatinous pulp and aromatic flavor, thriving in warm climates with minimal care once established. This comprehensive guide covers cultivation from propagation to harvest, including optimal soil conditions, pest management, and companion planting strategies for maximum yields. Ideal for home gardeners and small-scale farmers seeking exotic, high-value crops.
View Guide
Sweet Potato
Sweet potato is a warm-season root crop prized for its nutritious storage roots, vigorous vines, and adaptability across home gardens and commercial fields. Although often grouped with potato in the kitchen, it is botanically distinct and performs best in loose, warm, well-drained soil with a long frost-free season.
View Guide
Sweet Potato (Beauregard)
Beauregard is a high-yielding, early-maturing orange-fleshed sweet potato cultivar prized for its uniform tubers, excellent storage life, and strong resistance to common soil-borne diseases. It performs reliably across a wide range of climates and soil types when given warm temperatures, consistent moisture, and well-drained beds.
View Guide
Sweet Potato (Covington)
Covington is a high-yielding, disease-resistant sweet potato cultivar prized for its smooth copper skin and moist, sweet orange flesh. It matures in 100–110 days and performs well across a wide range of soils when provided with warm temperatures and consistent moisture. This definitive guide covers every stage from slip production through long-term storage.
View Guide
Sweet Potato (Garnet)
Garnet sweet potato is a vibrant, nutrient-dense storage root crop prized for its deep red-purple skin and rich orange flesh. It thrives in warm climates and loose, well-drained soils, offering high yields and excellent storage qualities when grown with proper technique.
View Guide
Sweet Potato (Georgia Jet)
Georgia Jet is an early-maturing, high-yielding sweet potato cultivar prized for its deep orange flesh, sweet flavor, and adaptability to a wide range of growing conditions. This guide delivers professional-grade, practical advice on soil preparation, propagation, integrated pest management, and post-harvest handling to maximize commercial and home garden success.
View Guide
Sweet Potato (Hernandez)
Hernandez is a high-yielding, orange-fleshed sweet potato cultivar prized for its sweet flavor, smooth skin, and disease resistance. It performs well in warm climates and produces elongated tubers ideal for both fresh market and processing. This guide delivers professional-grade cultivation practices for reliable, high-quality harvests.
View Guide