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Alliance of Native Seedkeepers Brewed in Colerain, North Carolina The practical library

The practical library

Growing Guides & Planting Advice

Find crop guides, planting calendars, seed-starting help, soil guidance, pest diagnosis, harvesting information, and practical seed-saving instructions.

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Searchable. Find the crop, problem, story, or update you need. Complete. Browse every published article with working pagination. Rooted. From a Native-led seed company in rural North Carolina.

Pests, Diseases & Troubleshooting

22 articles in this topic

Insect damage visible on corn foliage
Seedkeeping, foodways & history

Why Three Sisters Gardens Fail Today: Timing, Modern Pests, Invasive Grasses, and Climate Pressure

Most Three Sisters failures begin before visible damage: the corn population is too small, varieties are mismatched, all crops are planted at once, fertility and paths are missing, or modern pest and weather pressure is ignored. Diagnose crop stage, pattern, and cause before changing the whole system. A failed modern copy does not erase documented mixed cultivation.

By Frank J. Cain21 min read
Large common corn smut galls deforming an ear and surrounding tissue
Pests, diseases & troubleshooting

Corn Diseases and Disorders: Smut, Rust, Leaf Blights, Ear Rots, Stalk Rots, and Look-Alikes

Corn symptoms must be read by plant part and growth stage. Leaf lesions, rust pustules, ear molds, smut galls, stalk breakage, nutrient striping, herbicide injury, drought firing, and insect wounds can overlap. Open ears and split stalks when necessary rather than diagnosing from one distant photograph.

By Frank J. Cain20 min read
Young tomato plants growing under overhead shade netting
Pests, diseases & troubleshooting

Tomatoes for Heat and Humidity: Variety Choice, Fruit Set, Water, Shade, and Disease

Tomatoes for heat and humidity should be judged by fruit set, usable harvest, recovery, crack loss, and plant health, not by whether the foliage remains green. This guide explains how hot days, warm nights, high humidity, root-zone stress, and wet foliage affect pollen, fruit set, ripening, cracking, and disease. It provides planting-window strategies, mulch and irrigation plans, shade-cloth limits, canopy guidance, emergency actions, and a data sheet for comparing real midsummer performance.

By Frank J. Cain23 min read
Cherry tomatoes showing green, breaker, orange, and red ripening stages
Pests, diseases & troubleshooting

When Tomatoes Are Ripe: Color, Feel, Breaker Stage, Cracking, and Harvest Timing

Tomato ripeness depends on the variety and intended use. Color should develop across the fruit, the surface should lose its hard green feel, and flavor improves when fruit completes ripening under suitable temperatures. Pick earlier when cracking, animals, storms, or frost threaten.

By Frank J. Cain24 min read
Two dark red-brown tomatoes with green shoulders on a plate
Pests, diseases & troubleshooting

Black Krim Tomato Field Guide: Color, Ripeness, Growing, Cracking, and Seed Saving

Black Krim is an indeterminate dark-fruited slicer whose ripe color changes with temperature, light, and shoulder exposure. This guide explains how to judge Black Krim ripeness from lower fruit color, slight give, aroma, seed maturity, and local experience rather than waiting for every shoulder to turn. It also covers support, heat and humidity, cracking prevention, tasting trials, disease scouting, field records, and responsible seed saving.

By Frank J. Cain23 min read
Tomato plants trained vertically through a metal trellis
Pests, diseases & troubleshooting

Disease-Resistant Heirloom Tomatoes: What Resistance Really Means

Disease resistance is pathogen- and race-specific, not general immunity, and heirloom, open-pollinated, hybrid, resistant, and tolerant describe different traits. This guide explains common tomato resistance codes, how to verify the original claim, why a code may fail under field conditions, and how to select varieties from a confirmed disease history. It adds trial design, disease portfolios, sanitation, rotation, irrigation, recordkeeping, claim audits, and seed-saving limits.

By Frank J. Cain22 min read
A red tomato with both shoulder rings and a crack extending downward
Pests, diseases & troubleshooting

Why Tomatoes Crack and Split: Radial Cracks, Concentric Cracks, Rain, Watering, and Variety

Tomatoes crack when fruit expansion exceeds the skin's ability to stretch, often after a dry period followed by rapid water uptake. This guide distinguishes radial, concentric, and fine skin cracks and explains the roles of ripeness, fruit shape, variety, canopy, rain, irrigation, root restriction, and temperature. It provides a watering and mulch plan, breaker-stage harvest strategy, post-rain grading system, loss calculations, and field tests for reducing cracked tomato losses.

By Frank J. Cain22 min read
Seed-starting tray filled with growing medium and ready for sowing
Pests, diseases & troubleshooting

Seed Germination Troubleshooting: Why Seeds Do Not Sprout

When seeds do not germinate, confirm the normal time range, then check moisture and oxygen, crop-appropriate temperature, depth and light, dormancy, seed storage, and disease.

By Frank J. Cain10 min read
Brown garden slug crawling across a leaf with irregular feeding holes
Pests, diseases & troubleshooting

Slugs and Snails in the Garden: Identification, Habitat, and Seedling Protection

Treat slug pressure as a source–route–seedling problem. Confirm the pest after dark or with refuge boards; map the damp shelter feeding the outbreak; then protect the most vulnerable seedlings. Use hand removal, clean barriers, or label-directed bait only where fresh damage continues.

By Frank J. Cain9 min read
Zucchini leaves covered with white powdery mildew growth
Pests, diseases & troubleshooting

Powdery Mildew in the Garden: Identification, Prevention, and Safe Control

Powdery mildew forms superficial white fungal growth, but natural leaf markings, residue, downy mildew, and spray deposits can look similar. Confirm the pattern, improve airflow, and use crop-labeled controls only when needed.

By Frank J. Cain6 min read
Tomatoes with dark sunken blossom-end rot lesions
Pests, diseases & troubleshooting

Blossom-End Rot: Why Calcium Is Only Part of the Story

Blossom-end rot is a calcium delivery disorder driven mainly by rapid growth, uneven moisture, root stress, and nutrient imbalance, not automatic calcium-poor soil.

By Frank J. Cain5 min read