Encyclopedia
Definitive guides for crops, pests, and agricultural diseases.
Walnut (Black - Thomas)
The Thomas cultivar of black walnut is a high-yielding, cold-hardy selection prized for its large, thin-shelled nuts and vigorous growth. This guide delivers professional-grade advice on establishing and managing a productive black walnut orchard.
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Walnut (English - Chandler)
Chandler is a leading English walnut cultivar prized for its high kernel percentage, late leafing that reduces frost risk, and excellent blight tolerance. This guide covers every stage of commercial and home orchard production from soil prep through long-term storage.
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Walnut (English - Franquette)
The Franquette cultivar is a late-leafing, high-yielding English walnut prized for its thin shell, excellent kernel quality, and resistance to late spring frosts. This definitive guide covers every stage of commercial and home orchard production from soil preparation through curing and storage.
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Walnut (English - Hartley)
English Walnut (Hartley) is a high-yielding, late-leafing cultivar prized for its large, thin-shelled nuts and excellent kernel quality. This guide delivers professional-grade advice on soil, climate, planting, care, pest management, harvesting, and companion planting for commercial and serious home growers.
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Walnut (English - Howard)
The Howard cultivar is a high-yielding English walnut prized for its large, thin-shelled nuts and vigorous growth. This guide delivers professional-grade advice on soil, climate, planting, care, pest management, harvesting, and companion planting for commercial and home growers.
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Walnut (English - Payne)
The Payne cultivar is a vigorous, early-bearing English walnut prized for its high kernel percentage and consistent yields in temperate orchards. This deep-dive guide covers site selection, planting, irrigation schedules, organic pest management, and post-harvest handling for commercial and home growers.
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Walnut (English - Tulare)
Tulare is a high-yielding, late-leafing English walnut cultivar prized for its vigorous growth, large nuts, and strong resistance to walnut blight. This definitive guide covers every stage from site selection to long-term orchard management for commercial and home growers.
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Walnut (Franquette)
Walnut (Franquette) is a classic French selection of English walnut prized for its high-quality nuts, late leaf-out, and relative tolerance to spring frost. It is a vigorous, long-lived orchard tree best suited to temperate regions with winter chill, deep well-drained soils, and careful long-term canopy and water management.
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Walnut (Hartley)
Walnut (Hartley) is a classic English walnut cultivar valued for its large, well-sealed nuts, strong shell integrity, and dependable production in suitable temperate orchard climates. It is a vigorous, long-lived tree that rewards careful site selection, deep soil preparation, disciplined irrigation, and rigorous disease management with premium in-shell and kernel quality.
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Walnut (Serr)
Walnut (Serr) is a productive English walnut cultivar valued for its precocity, lateral bearing habit, and ability to produce large, light-colored kernels under well-managed orchard conditions. It performs best in Mediterranean-type and warm temperate regions with adequate winter chill, excellent drainage, and disciplined irrigation, nutrition, and disease management.
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Waltham 29 Broccoli
Waltham 29 Broccoli is a classic open-pollinated broccoli variety prized for its cold tolerance, dependable central head, and strong production of side shoots after the main harvest. Developed for northern climates and still widely grown by market gardeners and home growers, it performs best in cool seasons with fertile, moisture-retentive soil and steady growth free from heat stress.
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Wapsipinicon Peach Tomato
Wapsipinicon Peach Tomato is a rare, fuzzy-skinned heirloom variety prized for its sweet, tropical flavor and exceptional disease resistance. This indeterminate, peach-colored tomato produces heavy yields of 2-4 oz fruits throughout the season. Ideal for home gardeners and small-scale farms seeking flavor-packed tomatoes with low maintenance requirements.
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Warangal Chappatta Chili
Warangal Chappatta Chili is a high-value, medium-hot Indian chili variety prized for its thick walls, intense red color, and robust flavor. Native to Telangana's Warangal region, it thrives in tropical and subtropical climates and is favored by commercial and small-scale growers for both fresh and dried markets.
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Wasabi (Wasabia japonica - Daruma)
Wasabi (Wasabia japonica - Daruma) is a high-value rhizomatous perennial prized for its pungent rhizomes used in Japanese cuisine. This challenging cool-season crop demands precise environmental control, shaded flowing water, and rich organic soils for premium rhizome development.
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Wasabi (Wasabia japonica - Mazuma)
Wasabi (Wasabia japonica - Mazuma) is a high-value rhizomatous crop prized for its pungent rhizomes used in culinary applications worldwide. This cool-season perennial requires precise environmental control and long growing cycles, making it a challenging yet rewarding specialty crop for commercial and home growers.
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Washingtonia
Washingtonia is a fast-growing fan palm valued for its dramatic silhouette, drought tolerance, and ability to thrive in arid and subtropical landscapes. This definitive guide covers soil preparation, propagation, irrigation schedules, fertilization, pest management, and harvesting techniques for professional growers and landscapers.
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Washingtonia robusta
Washingtonia robusta, commonly known as the Mexican fan palm, is a fast-growing, drought-tolerant palm widely used in landscaping and commercial agriculture. This guide covers soil requirements, planting techniques, irrigation schedules, pest management, and companion planting strategies for optimal cultivation.
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Water Apple (Thai Green)
Water Apple (Thai Green), also known as Thai green rose apple or jambu air hijau, is a tropical evergreen fruit tree prized for its crisp, juicy, green-skinned fruits with a subtle sweet-tart flavor. Thriving in humid, warm climates, it produces abundant yields when provided with well-drained soil, consistent moisture, and protection from strong winds. This guide offers professional cultivation techniques for optimal growth, pest management, and high-quality harvests.
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Water Caltrop (Trapa natans)
Water Caltrop (Trapa natans) is a floating aquatic annual grown for its edible, horned nuts rich in starch. It thrives in still or slow-moving shallow waters and is a staple in parts of Asia and Europe.
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Water Chestnut (Eleocharis dulcis)
Water Chestnut (Eleocharis dulcis) is an aquatic perennial grown for its crisp, edible corms in flooded paddies. This guide covers complete cultivation from soil preparation through harvest and storage.
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Water Hyacinth
Water Hyacinth is a fast-growing floating aquatic plant widely used for wastewater treatment, biofuel production, and ornamental water gardens. Its rapid biomass accumulation and nutrient uptake make it valuable in controlled aquatic systems but also an invasive concern in unmanaged waterways.
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Water Iris
Water Iris is a robust aquatic perennial prized for its striking yellow blooms and ability to thrive in saturated soils. This guide covers every stage of cultivation from site selection to harvest and storage for professional growers and home gardeners alike.
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Water Lemon (Passiflora laurifolia)
Water Lemon (Passiflora laurifolia), also known as yellow granadilla, is a tropical passionfruit vine prized for its refreshing, juicy fruits with a sweet-tart flavor reminiscent of lemon water. This vigorous climber thrives in warm, humid climates and produces abundant yields when given proper support and care. Ideal for home gardens and small farms in subtropical regions, it offers both ornamental beauty and nutritional benefits.
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Water Spinach
Water spinach is a fast-growing, semi-aquatic leafy green prized across tropical Asia for its tender shoots and leaves. It thrives in wet soils or shallow water and can be harvested repeatedly within weeks of planting. This guide covers soil needs, propagation, care, pest control, and harvest for reliable home and commercial yields.
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