Encyclopedia

Definitive guides for crops, pests, and agricultural diseases.

Red Cabbage
Crop
Red Cabbage
Moderate

Red cabbage is a nutrient-dense, cool-season brassica crop prized for its striking purple-red leaves, high anthocyanin content, and versatility in salads, slaws, and fermented dishes like sauerkraut. Thriving in well-drained, fertile soils with consistent moisture, it offers high yields for home gardeners and small farms. This guide provides expert cultivation techniques to maximize head size, color intensity, and disease resistance.

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Red Currant
Crop
Red Currant
Moderate

Red currant is a cold-hardy, long-lived deciduous berry shrub prized for translucent clusters of tart, jewel-like fruit and reliable production in cool temperate climates. Though often overshadowed by larger berries, it is one of the most efficient small-fruit crops for home gardens and diversified farms because it tolerates partial shade, fruits heavily on managed wood, and stores well when harvested in full trusses.

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Red Delicious Apple
Crop
Red Delicious Apple
Moderate

Red Delicious Apple is a classic dessert apple cultivar valued for its deep red skin, elongated conical shape, and long storage life. Although famous in commerce, it is more demanding than many modern cultivars in terms of site selection, pruning, and harvest timing if growers want high-quality fruit rather than mealy, bland apples.

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Red Fife Wheat
Crop
Red Fife Wheat
Moderate

Red Fife Wheat is a heritage grain known for its rich flavor and suitability for diverse climates. It offers excellent baking qualities and increased resilience compared to modern wheat varieties.

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Red Kuri Squash
Crop
Red Kuri Squash
Moderate

Red Kuri squash is a small, teardrop-shaped winter squash prized for its vivid red-orange skin, dry chestnut-like texture, and rich, sweet flavor. A Japanese type of Cucurbita maxima, it performs best in warm, frost-free conditions with fertile, well-drained soil and consistent moisture through flowering and fruit fill.

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Red Leaf Lettuce
Crop
Red Leaf Lettuce
Easy

Red leaf lettuce is a loose-leaf lettuce prized for its tender texture, mild sweet-bitter flavor, and attractive burgundy to bronze-red foliage. It is one of the fastest, most forgiving cool-season salad crops, but top-quality production depends on precise moisture, temperature, fertility, and harvest timing to preserve color, tenderness, and shelf life.

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Red Lentils
Crop
Red Lentils
Easy

Red lentils are a fast-maturing, nitrogen-fixing legume crop prized for their quick cooking time and nutritional density. This comprehensive guide covers everything from soil preparation to harvest, helping home gardeners and small-scale farmers achieve high yields of this protein-rich staple. Discover optimal planting techniques, pest management, and companion planting strategies for success.

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Red Maradol Papaya
Crop
Red Maradol Papaya
Moderate

Red Maradol Papaya is a large-fruited tropical papaya cultivar prized for its salmon-red flesh, high sweetness, and strong market appeal. It grows rapidly in warm, frost-free climates, but rewards careful management of drainage, fertility, sex expression, and disease prevention with heavy yields of premium fruit.

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Red Onion (Red Baron)
Crop
Red Onion (Red Baron)
Moderate

Red Baron is a popular red bulb onion prized for its deep burgundy skin, attractive red-ringed flesh, reliable globe-shaped bulbs, and strong storage performance. It is especially valued by home growers and market gardeners for its balanced flavor, dependable yields in temperate climates, and adaptability from sets, modules, or seed.

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Red Pepper (Kampot)
Crop
Red Pepper (Kampot)
Moderate

Kampot red pepper is a premium heirloom variety of Capsicum annuum renowned for its intense sweetness, complex fruity notes, and vibrant red color when fully ripe. It thrives in tropical lowland conditions with well-drained soils and consistent warmth, making it a high-value crop for both smallholder and commercial growers.

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Red Prawn Durian
Crop
Red Prawn Durian
Challenging

Red Prawn Durian is a premium cultivar of Durio zibethinus prized for its striking red arils, smaller seeds, and exceptionally sweet, creamy flesh with notes of caramel and almond. This guide provides professional growers with comprehensive techniques for propagation, cultivation, pest management, and harvesting to achieve optimal yields of this high-value tropical fruit. Native to Southeast Asia, it thrives in humid equatorial climates and demands meticulous care for superior fruit quality.

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Red Quinoa
Crop
Red Quinoa
Moderate

Red quinoa is a colorful grain-type pseudocereal prized for its firm texture, earthy flavor, and strong nutritional profile. Compared with many pale-seeded quinoa types, red forms often show excellent field vigor, better visual harvest timing, and good tolerance of cool, dry growing conditions when drainage and salinity are managed properly.

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Red Rice (Bhutanese Red)
Crop
Red Rice (Bhutanese Red)
Moderate

Red rice, particularly the Bhutanese Red variety, is a unique and nutritious crop, favorably grown in specific high-altitude regions. Known for its nutty taste and rich in antioxidants, it is highly sought after for its health benefits and distinctive culinary uses.

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Red Rice (Camargue Red)
Crop
Red Rice (Camargue Red)
Moderate

Camargue Red Rice is a distinct variety characterized by its reddish hue and slightly nutty flavor. Grown in the Camargue region of France, it offers a healthy alternative to white rice, fitting well in diverse culinary dishes.

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Red Rice (Rakthashali)
Crop
Red Rice (Rakthashali)
Moderate

Red Rice, also known as Rakthashali, is a nutritious and ancient variety of rice, renowned for its red-colored bran and health benefits. It thrives in warm climates and requires specific care for optimal yield.

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Red Russian Kale
Crop
Red Russian Kale
Easy

Red Russian Kale is a cold-hardy, tender-leaved kale prized for its oak-shaped blue-green foliage, vivid purple-red stems, and notably sweet flavor in cool weather. Unlike tougher curly kales, this variety grows quickly, performs especially well in spring and fall, and is ideal for cut-and-come-again harvests in market gardens and home plots alike.

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Red Sorghum
Crop
Red Sorghum
Moderate

Red sorghum is a heat-loving cereal grain valued for its drought tolerance, strong biomass production, and deep red to bronze seed color rich in phenolic compounds. It is grown for grain, fodder, syrup in some types, and as a resilient staple in semi-arid farming systems where maize often struggles.

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Red Stuffer Tomato
Crop
Red Stuffer Tomato
Moderate

Red Stuffer Tomato is a unique, hollow heirloom variety prized for its thick walls and hollow interior, ideal for stuffing, roasting, and grilling. This determinate tomato offers reliable yields and superior texture for culinary applications while remaining relatively easy to grow in home and market gardens.

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Redhaven Peach
Crop
Redhaven Peach
Moderate

Redhaven Peach is one of the most widely planted yellow-fleshed peach cultivars in North America, prized for reliable cropping, cold tolerance, and excellent fresh-eating quality. Developed in Michigan and introduced in the mid-20th century, it remains a benchmark midseason peach for home orchards and commercial growers alike.

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Reed Avocado
Crop
Reed Avocado
Moderate

Reed avocado is a late-season Guatemalan-type cultivar prized for its large, round fruit, thick green skin, rich nutty flavor, and strong tree vigor. It performs best in frost-free to very light-frost climates with excellent drainage, careful irrigation management, and attentive canopy training during establishment.

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Reeds
Crop
Reeds
Moderate

Reeds are tall, perennial wetland grasses valued for erosion control, biomass, and thatching. They thrive in saturated soils and are widely cultivated along waterways and in constructed wetlands.

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Reisetomate (Traveler Tomato)
Crop
Reisetomate (Traveler Tomato)
Moderate

The Reisetomate, also known as the Traveler Tomato, is a rare, multi-locular heirloom variety prized for its unique segmented fruit that resembles clusters of fused cherry tomatoes. Originating from Germany, it offers exceptional flavor, high productivity, and resilience for home gardeners and small-scale growers seeking a conversation-starting crop.

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Reiziq Rice
Crop
Reiziq Rice
Moderate

Reiziq Rice is a high-yielding rice variety favored for its adaptability and high-quality grains. With origins tracing back to traditional breeding techniques, this variety excels in diverse climates and is a popular choice among farmers seeking reliable harvests.

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Resham Patti Chili
Crop
Resham Patti Chili
Moderate

Resham Patti Chili is a distinctive Indian heirloom chili prized for its silky, thread-like pods and intense, aromatic heat. This comprehensive guide covers soil preparation, planting, care, organic pest management, and post-harvest storage for professional growers and home gardeners.

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