Planning tool
Garden Soil Prep Planner
Use catalog soil notes, soil test results, drainage checks, workable moisture, and seedbed timing to decide which beds need compost, drainage fixes, or a wait before sowing.
Inputs
- Catalog soil notes
- Each seed entry carries soil language such as fertile, rich, well-drained, average, lean, moist, or sharply drained so bed prep starts with crop fit.
- Soil test results
- Use lab results for texture, pH, organic matter, phosphorus, and potassium before adding compost, manure, lime, or fertilizer.
- Drainage and compaction
- Check whether water leaves the planting area fast enough and whether compacted layers or heavy clay are limiting roots.
- Seedbed timing
- Wait until soil is workable, then prepare the surface for the seed size, sowing depth, and spacing plan.
What it returns
- Drainage-sensitive candidates from catalog soil and water notes.
- Rich-soil candidates from catalog soil notes.
- A source-backed checklist for soil testing, moisture readiness, drainage checks, texture, and seedbed prep.
- Internal links to vegetable, container, raised-bed, watering, seed-depth, and soil-temperature planning paths.
Planning guidance
- Soil test before amendments
- A lab soil test reports texture, pH, organic matter, phosphorus, and potassium so compost, manure, lime, and fertilizer decisions start from measured conditions.
- Workable moisture
- Do not prepare soil when it is too wet or too dry; workable soil crumbles and breaks into small clumps instead of staying molded in a ball.
- Fine seedbed
- After tilling or spading, rake the planting area because a firm, fine seedbed is best for small-seeded crops and even emergence.
- Drainage check
- UMD uses a drainage test hole 12 inches deep and 12 inches in diameter; if water remains after 8 hours, slow drainage may point to compaction, clay, buried debris, high water table, or a restrictive soil layer.
- Texture boundary
- Clemson notes that soil texture affects how soil holds moisture and air, so texture should shape watering, organic-matter, and drainage decisions.
- Catalog boundary
- The candidate lists come from catalog soil text; the source notes are general home-garden soil guidance for interpreting those entries before planting.
Drainage-sensitive candidates
- Roma Tomato Vegetable · Fertile, well-drained soil with steady calcium and organic matter.
- Sugar Snap Pea Vegetable · Cool, well-drained soil with support netting.
- Tall Utah Celery Vegetable · Rich, moisture-retentive soil with good drainage.
- California Wonder Pepper Vegetable · Warm, fertile, well-drained soil; avoid excess nitrogen.
- Black Beauty Eggplant Vegetable · Warm, fertile, well-drained soil.
- Sugar Baby Watermelon Vegetable · Warm, fertile, well-drained soil.
- Green Globe Artichoke Vegetable · Rich, well-drained soil with steady fertility.
- Common Thyme Herb · Lean, sharply drained soil.
- Broadleaf Sage Herb · Well-drained soil with modest fertility.
- Munstead Lavender Herb · Lean, sharply drained soil with low humidity around the crown.
- Bouquet Dill Herb · Well-drained soil; direct sow to avoid taproot disturbance.
- French Marigold Flower · Average, well-drained soil.
Rich-soil candidates
- Marketmore 76 Cucumber Vegetable · Rich, warm soil with room or a sturdy trellis.
- Waltham Butternut Squash Vegetable · Rich soil, large root zone, and warm temperatures.
- Small Sugar Pumpkin Vegetable · Rich, warm soil with room for vines.
- White Stem Bok Choy Vegetable · Fertile, well-drained soil rich in organic matter.
- Tall Utah Celery Vegetable · Rich, moisture-retentive soil with good drainage.
- Hale's Best Jumbo Melon Vegetable · Warm, fertile, well-drained soil with plenty of compost.
- Green Globe Artichoke Vegetable · Rich, well-drained soil with steady fertility.
- Long Island Improved Brussels Sprouts Vegetable · Rich, firm, well-drained soil with consistent fertility.
- Roma Tomato Vegetable · Fertile, well-drained soil with steady calcium and organic matter.
- Waltham 29 Broccoli Vegetable · Fertile, well-drained soil with steady nitrogen.
- Snowball Y Cauliflower Vegetable · Fertile, well-drained soil with consistent nitrogen.
- Georgia Southern Collards Vegetable · Fertile soil with steady nitrogen.
Supporting planning paths
- Full Seed Catalog 103 varieties with soil notes
- Vegetable Garden Planner 44 vegetable entries
- Container Garden Planner 72 container-ready entries with drainage stakes
- Raised Bed Spacing Planner Keep beds reachable and avoid compaction from stepping in soil
- Garden Watering Planner Match soil texture and organic matter with irrigation frequency
- Seed Depth Planner Use seedbed condition before assigning sowing depth
- Soil Temperature Germination Planner Wait for workable soil and crop-fit germination temperatures before sowing
Source basis
- UMN Extension soil testing for lawns and gardens Lab soil testing for texture, pH, organic matter, phosphorus, potassium, compost, manure, and fertilizer decisions
- UMN Extension planting the vegetable garden Workable soil moisture, crumble test, fine seedbed preparation, and soil-test-before-fertilizer guidance
- UMD Extension soil health, drainage, and improving soil Soil pH, nutrient and organic-matter testing plus 12-inch drainage tests for compaction or restrictive layers
- Clemson Extension soil texture analysis jar test Soil texture context for moisture holding, air holding, porosity, and garden amendment decisions