Seed/Garden Explorer

Source-backed seed catalog and garden planner

Plan vegetables, herbs, flowers, cover crops, and native pollinator plants by frost dates, soil warmth, maturity, spacing, seed-starting method, region, and practical garden traits.

Catalog starting points

• Full Seed Catalog 103 source-backed varieties
• Cover Crop Catalog 11 varieties
• Flower Catalog 18 varieties
• Herb Catalog 16 varieties
• Native Catalog 14 varieties
• Vegetable Catalog 44 varieties

Practical planning paths

• Fall Planting Planner 63 first-frost-window varieties
• Container Garden Planner 72 container-ready varieties
• Succession Sowing Planner 44 repeat-sowing varieties
• Pollinator Garden Planner 49 high-value pollinator varieties
• Beginner Garden Planner 61 beginner-friendly varieties
• Part-Shade Garden Planner 26 part-shade-tolerant varieties
• Quick Harvest Garden Planner 34 60-day-or-faster varieties
• Direct Sow Garden Planner 85 direct-sow-capable varieties
• Transplant Garden Planner 50 transplant-capable varieties
• Seed-Starting Planner 50 indoor-start varieties
• Cool Season Garden Planner 38 cool-season varieties
• Warm Season Garden Planner 55 warm-season varieties
• Vegetable Garden Planner 44 vegetable varieties
• Herb Garden Planner 16 herb varieties
• Flower Garden Planner 18 flower varieties
• Native Plant Garden Planner 14 native varieties
• Cover Crop Garden Planner 11 cover crop varieties
• Hardiness Zone vs Frost Date Separate perennial zone context from annual frost-date timing
• Frost Date vs Soil Temperature Separate frost-date cold risk from measured soil-temperature readiness
• Last Frost Date vs Safe Planting Date Turn average last-frost dates into crop-specific safe planting decisions with soil, hardening-off, protection, and forecast checks
• Direct Sow vs Transplant Compare outdoor seeding, indoor starts, and transplant timing tradeoffs
• Cool Season vs Warm Season Separate cool-season and warm-season timing by frost, soil temperature, and crop tolerance
• Days to Maturity vs Harvest Window Use maturity estimates with frost runway, start method, and harvest-quality limits
• Spring Planting vs Fall Planting Compare last-frost spring timing with first-frost fall runway and protection needs
• Hardening Off Before Transplanting Move seedlings from protected starts to outdoor beds with gradual sun, wind, water, and weather checks
• Seed Depth vs Spacing Separate sowing depth, final spacing, thinning, soil temperature, and bed layout decisions
• Germination vs Emergence Separate seed germination from visible emergence, damping-off, moisture, and resowing checks
• Soil Test vs Compost vs Fertilizer Separate measured soil-test results from compost, fertilizer, drainage, watering, and seedbed prep
• Lime vs Fertilizer Separate pH correction from nutrient feeding before adding lime, fertilizer, compost, manure, or amendments
• Compost vs Manure Compare plant-based compost and manure by soil-test results, organic matter, nutrient buildup, salt risk, food safety, and timing
• Fertilizer Burn vs Nutrient Deficiency Separate salt stress and excess fertilizer from true nutrient deficiency before adding more inputs
• Powdery Mildew vs Downy Mildew Separate white powdery coating from underside fuzz, angular spots, humidity, airflow, and watering method checks
• Aphids vs Whiteflies Separate aphid clusters from whitefly swarms, honeydew, sooty mold, ants, natural enemies, and row-cover timing
• Aphids vs Thrips Separate aphid clusters, cornicles, honeydew, and ants from thrips silvering, black frass, flower scars, and crevice hiding
• Whiteflies vs Thrips Separate whitefly adult flight, honeydew, and sooty mold from thrips silvering, black frass, flower scars, and crevice hiding
• Leaf Miners vs Thrips Separate internal leaf mines from surface silvering, black frass, flower scars, row-cover timing, and edible-leaf decisions
• Aphids vs Leaf Miners Separate aphid clusters, cornicles, honeydew, ants, and curled tender growth from leafminer winding trails, blotches, larvae inside leaves, and edible-leaf harvest decisions
• Aphids vs Flea Beetles Separate aphid clusters, cornicles, honeydew, ants, and curled tender growth from flea beetle shot holes, shallow pits, jumping adults, seedling timing, and row-cover decisions
• Whiteflies vs Leaf Miners Separate whitefly adult flight, underside colonies, honeydew, and sooty mold from leafminer winding trails, blotches, larvae inside leaves, and edible-leaf harvest decisions
• Whiteflies vs Flea Beetles Separate whitefly adult flight, underside colonies, honeydew, and sooty mold from flea beetle shot holes, shallow pits, jumping adults, seedling timing, and row-cover decisions
• Spider Mites vs Aphids Separate mite stippling and webbing from aphid clusters, honeydew, curling, heat, dust, water stress, and natural enemies
• Spider Mites vs Whiteflies Separate mite stippling, webbing, and heat-dust stress from whitefly adult flight, honeydew, sooty mold, and underside colonies
• Thrips vs Spider Mites Separate thrips silvering and black frass from spider mite webbing, cast skins, heat, dust, water stress, and natural-enemy checks
• Full Sun vs Part Shade Separate crop light needs from afternoon shade, watering stress, containers, and heat management
• Deep Watering vs Shallow Watering Separate root-zone watering from shallow surface wetting, overwatering, mulch, and drainage checks
• Mulch vs Bare Soil Compare soil cover timing, bare seedbeds, soil temperature, seedlings, watering, and drainage
• Cover Crop vs Mulch Compare living cover crops, mulch, bare seedbeds, termination, moisture, and next-crop timing
• Row Cover vs Cold Frame Compare row cover, cold frames, ventilation, pollination access, water, and crop tolerance
• Drip Irrigation vs Overhead Watering Compare drip, soaker, and overhead watering by foliage wetness, root-zone moisture, soil, and crop stage
• Bolting vs Flowering Separate unwanted bolting from intentional flowering, harvest quality, heat stress, and pollinator bloom
• Surface Sow vs Burying Seeds Compare surface sowing and covered seed by depth, light needs, seed size, moisture, and seedbed prep
• Crop Rotation vs Companion Planting Separate plant-family rotation records from companion claims, evidence labels, cover crops, and habitat planning
• Succession Planting vs Crop Rotation Reuse beds with repeat sowing while preserving plant-family rotation records, fall runway, cover-crop windows, and same-family risk checks
• Leggy Seedlings vs Damping-Off Separate stretched seedlings from collapsed damping-off problems with light, moisture, airflow, and tray checks
• Overwatering vs Underwatering Separate saturated root zones from dry root zones with drainage, seedbed, container, and crop-stage checks
• Heat Stress vs Drought Stress Separate high-temperature stress from dry-root stress before changing water, shade, mulch, or covers
• Pollination vs Fruit Set Separate pollinator access from heat, water, covers, bloom timing, and crop-stage fruit-set checks
• Soil Temperature vs Air Temperature Separate measured seedbed warmth from daytime air warmth before sowing, transplanting, or covering crops
• Seed-Starting Mix vs Garden Soil Separate clean indoor tray media from outdoor garden soil before sowing, watering, or reusing containers
• Thinning vs Transplanting Seedlings Separate thinning extra seedlings from moving seedlings before disturbing roots, spacing, or crop timing
• Raised Bed vs In-Ground Garden Compare framed raised beds and in-ground beds by drainage, compaction, access, irrigation, soil tests, and spacing
• Germination Days vs Days to Maturity Separate germination timing from harvest maturity before assigning sowing dates, transplant recovery, frost runway, and bed priority
• Staking vs Trellising Choose stakes, cages, trellises, netting, or room to sprawl before spacing, watering, airflow, and pollination break down
• Annual vs Perennial Plants Separate annuals, biennials, perennials, tender perennials, self-sowing, containers, and winter hardiness before assigning planting dates
• Transplant Shock vs Normal Wilting Separate transplant shock from short-term wilting with hardening-off, root-zone moisture, heat, wind, cold-night, and recovery checks
• Frost Damage vs Transplant Shock Separate cold injury from transplant stress with overnight-low, cover-gap, hardening-off, moisture, and recovery checks
• Seedling Wilting vs Damping-Off Separate ordinary seedling wilt from damping-off collapse with stem, media moisture, airflow, tray sanitation, temperature, and recovery checks
• Fungus Gnats vs Damping-Off Separate tiny flies and larvae in moist media from damping-off stem collapse, tray sanitation, drainage, and re-sowing decisions
• Cutworms vs Damping-Off Separate clean soil-line clipping from pinched, water-soaked damping-off stems before adding collars, resetting trays, or re-sowing
• Springtails vs Fungus Gnats Separate jumping soil springtails from flying fungus gnats before drying trays, using sticky cards, applying Bti, or re-sowing seedlings
• Slugs vs Cutworms Separate ragged slug chewing and slime trails from cutworm soil-line clipping before re-sowing, drying beds, adding collars, or covering rows
• Slugs vs Flea Beetles Separate slug slime trails, ragged night chewing, and moist hiding places from flea beetle shot holes, shallow pits, jumping adults, seedling timing, and row-cover decisions
• Slugs vs Cabbage Worms Separate slug slime trails, ragged night chewing, and cool moist hiding places from cabbageworm eggs, frass, white butterflies, head contamination risk, row-cover timing, and Bt timing
• Squash Bugs vs Cucumber Beetles Separate squash bug wilt, egg masses, and nymphs from cucumber beetle chewing, bacterial wilt risk, and row-cover timing
• Flea Beetles vs Cucumber Beetles Separate tiny jumping flea beetle shot holes from striped cucumber beetle chewing, cucurbit wilt risk, and flowering row-cover decisions
• Leaf Miners vs Flea Beetles Separate winding leafminer trails and blotches from flea beetle shot holes before clipping greens, covering rows, spraying, or re-sowing
• Thrips vs Flea Beetles Separate thrips silvering, black frass, and flower scars from flea beetle shot holes, shallow pits, jumping adults, seedling timing, and row-cover decisions
• Spider Mites vs Flea Beetles Separate mite stippling, bronzing, webbing, and tiny moving dots from flea beetle shot holes, shallow pits, jumping adults, and seedling timing
• Spider Mites vs Leaf Miners Separate mite surface stippling, webbing, and moving dots from leafminer winding trails, blotches, larvae inside leaves, edible-leaf harvest decisions, and row-cover timing
• Hornworms vs Armyworms Separate huge horned tomato caterpillars and blocky frass from armyworm egg masses, group feeding, skeletonized leaves, and fruit gouges
• Cutworms vs Armyworms Separate cutworm soil-line clipping and C-shaped larvae from armyworm egg masses, group feeding, skeletonized leaves, and re-sowing timing
• Cabbage Worms vs Armyworms Separate cabbageworm brassica holes, frass, and white butterflies from armyworm egg masses, group feeding, skeletonized leaves, and fall cole-crop pressure
• Squash Vine Borer vs Squash Bugs Separate stem-boring squash vine borer frass from squash bug eggs, nymphs, and sap-feeding wilt before cutting vines or covering rows
• Bacterial Wilt vs Squash Vine Borer Separate cucumber-beetle bacterial wilt from squash vine borer crown holes, frass, larvae, and row-cover timing before cutting or removing cucurbits
• Fusarium Wilt vs Verticillium Wilt Separate warm-soil one-sided Fusarium yellowing from slower Verticillium wilt before replacing tomatoes, changing soil, or assuming one wilt cause
• Root-Knot Nematodes vs Fusarium Wilt Separate root galls and patchy nematode stunting from Fusarium vascular browning before changing soil, composting plants, or replanting nightshades
• Flea Beetles vs Cabbage Worms Separate flea beetle shot-hole feeding and jumping adults from cabbageworm caterpillars, frass, white butterflies, row-cover timing, and Bt decisions
• Blossom-End Rot vs Sunscald Separate dark blossom-end lesions from pale sun-facing fruit patches before changing calcium, watering, pruning, or disease controls
• Tomato Cracking vs Blossom-End Rot Separate stem-end tomato cracks from blossom-end lesions before adding calcium, changing irrigation, pruning foliage, or canning fruit
• Tomato Catfacing vs Cracking Separate malformed blossom-end scars and cavities from stem-end radial or concentric cracks before changing transplant timing, watering, or fruit-use decisions
• Tomato Anthracnose vs Sunscald Separate circular sunken ripe-fruit rot from pale sun-facing patches before spraying, pruning, saving seed, or composting affected tomatoes
• Early Blight vs Bacterial Spot Separate bullseye lower-leaf early blight from tiny bacterial leaf, stem, and fruit spots before saving seed, canning fruit, or spraying copper
• Early Blight vs Septoria Leaf Spot Separate tomato bullseye early blight lesions from small gray Septoria spots before pruning, spraying, saving seed, or removing plants
• Late Blight vs Early Blight Separate urgent water-soaked late blight from slower lower-leaf early blight before composting debris, spraying, saving tubers, or leaving plants in place
• Bacterial Spot vs Septoria Leaf Spot Separate tomato bacterial spot or speck from Septoria leaf spot before saving seed, canning fruit, spraying copper, composting debris, or removing plants
• Root-Bound Seedlings vs Transplant Ready Separate root-bound seedlings from transplant-ready starts with root-ball, hardening-off, soil-temperature, weather, moisture, and crop-sensitivity checks
• Wet Soil vs Workable Soil Separate wet soil from workable soil with crumble-test, drainage, compaction, seedbed, root-zone moisture, and crop-timing checks
• Clay Soil vs Sandy Soil Compare soil texture, water holding, drainage, organic matter, workable moisture, watering, and seedbed checks
• Container-Friendly Seeds 72 matching varieties
• Beginner-Friendly Seeds 61 matching varieties
• High Pollinator Value Seeds 49 matching varieties
• Succession Sowing Seeds 44 matching varieties
• Quick-Maturity Seeds 34 matching varieties
• Fall-Planting Seeds 63 matching varieties
• Part-Shade-Tolerant Seeds 26 matching varieties
• Planting Calendar Tool Frost-date task schedule
• Raised Bed Spacing Planner 103 varieties with spacing and row-spacing estimates
• Seed Depth Planner 103 varieties with sowing-depth data
• Seed Spacing and Thinning Planner 103 varieties with in-row and row-spacing data
• Soil Temperature Germination Planner 103 varieties with germination temperature ranges
• Seed Germination Troubleshooting Planner 103 varieties with germination days, depth, and temperature data
• Hardening-Off Transplant Planner 50 transplant-capable varieties
• Frost Protection and Season Extension Planner 103 varieties with frost or season-extension timing
• Garden Watering Planner 103 varieties with catalog water-need notes
• Garden Soil Prep Planner 103 varieties with catalog soil notes
• Seed-Starting Tray Planner 50 indoor-start varieties
• Crop Rotation and Companion Planner 21 plant families
• USDA Zone and Frost-Date Planner 26 USDA half-zones
• ZIP Code Hardiness Zone Lookup 39,921 official OSU PRISM ZIP records

Regional planting guides

• Alabama Seasons 25 catalog crop examples
• Alameda East Bay 28 catalog crop examples
• Alaska Short Season 12 catalog crop examples
• Arizona Elevation Bands 30 catalog crop examples
• Arkansas Fall 17 catalog crop examples
• Arkansas Zone C 26 catalog crop examples
• Butte Foothills 22 catalog crop examples
• California Interior Valley 25 catalog crop examples
• Central Florida 10 catalog crop examples
• Central Maryland 25 catalog crop examples
• Central Missouri 11 catalog crop examples
• Central NH 31 catalog crop examples
• Central Oregon Seeds 15 catalog crop examples
• Chicago Area IL 20 catalog crop examples
• Colorado Front Range 8 catalog crop examples
• Colorado Containers 19 catalog crop examples
• Colorado Mountains 25 catalog crop examples
• Connecticut Calendar 30 catalog crop examples
• Contra Costa Interior 18 catalog crop examples
• Delaware Frost 25 catalog crop examples
• East Texas 28 catalog crop examples
• Eastern NC 32 catalog crop examples
• Eastern Oregon Seeds 20 catalog crop examples
• Georgia 17 catalog crop examples
• Georgia Varieties 11 catalog crop examples
• Harris County 34 catalog crop examples
• Hawaii Elevations 13 catalog crop examples
• Idaho Zones 27 catalog crop examples
• Illinois 21 catalog crop examples
• Indiana Frost/Soil 32 catalog crop examples
• Iowa Timing 10 catalog crop examples
• Kansas Calendar 36 catalog crop examples
• Kauai County 19 catalog crop examples
• Kentucky Regions 29 catalog crop examples
• Long Island 18 catalog crop examples
• Louisiana North/South 12 catalog crop examples
• Michigan LP 20 catalog crop examples
• Maine Coast/North 17 catalog crop examples
• Maricopa County 36 catalog crop examples
• Marin Monthly 28 catalog crop examples
• Massachusetts 35 catalog crop examples
• McHenry County IL 28 catalog crop examples
• Middle Georgia 20 catalog crop examples
• Minnesota Soil Temp 33 catalog crop examples
• Mississippi Zones 27 catalog crop examples
• Missouri Varieties 14 catalog crop examples
• Montana Frost Windows 27 catalog crop examples
• Napa County 20 catalog crop examples
• Nebraska Frost/Soil 25 catalog crop examples
• New Jersey Frost 21 catalog crop examples
• New Mexico Zones 17 catalog crop examples
• NYC Area 35 catalog crop examples
• NC Piedmont 17 catalog crop examples
• North Dakota Small Space 16 catalog crop examples
• North Florida 26 catalog crop examples
• North Missouri/Ozark 12 catalog crop examples
• Northern Nevada 20 catalog crop examples
• Northern Wisconsin 32 catalog crop examples
• Central Ohio 32 catalog crop examples
• Oklahoma Fall 18 catalog crop examples
• Oklahoma Planning 22 catalog crop examples
• Orange County Small Space 27 catalog crop examples
• Oregon Coast 27 catalog crop examples
• Oregon Regions 8 catalog crop examples
• Philadelphia Area 34 catalog crop examples
• Pima County 41 catalog crop examples
• Placer County 26 catalog crop examples
• Rhode Island Calendar 31 catalog crop examples
• Rockwall County 28 catalog crop examples
• Sacramento Area 32 catalog crop examples
• San Diego County 25 catalog crop examples
• SLO Cool Season 24 catalog crop examples
• SF/San Mateo 29 catalog crop examples
• Santa Clara County 42 catalog crop examples
• Shasta County Valley 31 catalog crop examples
• Sonoma Planting 39 catalog crop examples
• South Carolina 29 catalog crop examples
• South Dakota Frost/Soil 22 catalog crop examples
• South Florida 22 catalog crop examples
• South Missouri 14 catalog crop examples
• SE Wisconsin 31 catalog crop examples
• Southern Nevada Desert 28 catalog crop examples
• Tennessee Cool Season 6 catalog crop examples
• Tennessee Warm Season 6 catalog crop examples
• Texas Fall 21 catalog crop examples
• Texas Home Garden 27 catalog crop examples
• Travis County 30 catalog crop examples
• Tulare/Kings Valley 29 catalog crop examples
• Upper Midwest 8 catalog crop examples
• Michigan UP 20 catalog crop examples
• Upstate New York 26 catalog crop examples
• Utah Frost Groups 29 catalog crop examples
• Utah Varieties 6 catalog crop examples
• Ventura County 36 catalog crop examples
• Vermont Frost 22 catalog crop examples
• Virginia Zones 27 catalog crop examples
• Walla Walla Inland NW 21 catalog crop examples
• Wasatch Front 31 catalog crop examples
• Washington County Fall 15 catalog crop examples
• Washington County UT 14 catalog crop examples
• Western Washington 23 catalog crop examples
• West Virginia 33 catalog crop examples
• Western NC 40 catalog crop examples
• Willamette Calendar 40 catalog crop examples
• Wisconsin Containers 13 catalog crop examples
• Wyoming Statewide 9 catalog crop examples
• Midwest Native Pollinators 7 catalog crop examples
• Yolo County Spring 9 catalog crop examples
• York County PA 8 catalog crop examples
• York County Seeds 21 catalog crop examples
• Yuma County 38 catalog crop examples

Commercial policy

• Disclosure Policy Affiliate, sponsorship, product, and vendor rules
• Approved Seed Vendors Build-time approved vendor records with source and disclosure state
• Vendor Ingestion Rules Moderation, source labels, and no public write endpoint