{"uid":"cap_6qXsL1-uOBhCrET8wpQcQ","slug":"saylor-innovations-garden-plant-planting-window-calculator-c4b0c0d1","name":"Saylor Innovations Garden Plant Planting Window Calculator","description":"Planting window dates from local frost dates and crop maturity - indoor start, transplant and harvest","url":"https://saylorinnovations.com/api/gardening/planting-window?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method"],"properties":{"type":{"type":"string","const":"http"},"method":{"enum":["GET"],"type":"string"},"queryParams":{"type":"object","required":["last_frost","first_frost","days_to_maturity"],"properties":{"last_frost":{"type":"string","description":"required local last spring frost date YYYY-MM-DD (query)"},"first_frost":{"type":"string","description":"required local first fall frost date YYYY-MM-DD (query)"},"after_frost_days":{"type":"string","description":"optional non-negative buffer after last frost, default 0 (query)"},"days_to_maturity":{"type":"string","description":"required non-negative crop maturity days (query)"},"indoor_start_days":{"type":"string","description":"optional non-negative days to start indoors before outdoor date, default 0 (query)"}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string","const":"json"},"example":{"type":"object","required":["recommended_outdoor_start","estimated_harvest_date","scope_note"],"properties":{"formula":{"type":"string","description":"Formula used for the calculation"},"last_frost":{"type":["string","null"],"description":"Last frost"},"scope_note":{"type":"string","description":"What this data covers and what it leaves out"},"first_frost":{"type":["string","null"],"description":"First frost"},"frost_free_days":{"type":"number","description":"Frost free days"},"last_frost_date":{"type":"string","description":"Last frost date"},"days_to_maturity":{"type":"number","description":"Days to maturity"},"first_frost_date":{"type":"string","description":"First frost date"},"indoor_start_days":{"type":"number","description":"Indoor start days"},"estimated_harvest_date":{"type":"string","description":"Estimated harvest date"},"recommended_indoor_start":{"type":"string","description":"Recommended indoor start"},"recommended_outdoor_start":{"type":"string","description":"Recommended outdoor start"}}}}}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.01","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"probe","requiresHandshake":false,"reviewCount":0,"rating":{"score":"0.00","successRate":"0.00","reviews":0,"stars":null,"state":"unrated"},"availabilityStatus":"unknown","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.01/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_aw3NQDKvKF6gOTOmp5gM5","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.01","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Calculates optimal indoor start, transplant, and harvest dates for garden crops based on local frost dates and crop maturity","exampleAgentPrompt":"My last spring frost is April 15 and first fall frost is October 10 — when should I start tomatoes indoors if they take 75 days to maturity and need to be started 6 weeks before transplanting?","exampleUseCases":[{"title":"Tomato indoor seed starting schedule","prompt":"My last frost date is May 1 and first frost is September 30. I want to grow tomatoes that take 80 days to maturity and I want to start them indoors 8 weeks before transplanting — when do I start seeds, when do I transplant, and when do I expect to harvest?"},{"title":"Quick-maturing crop direct sow planning","prompt":"When can I direct sow radishes in my garden if my last spring frost is April 10, first fall frost is October 15, and radishes mature in 28 days? I want a 7-day buffer after frost before planting."},{"title":"Harvest feasibility check before first frost","prompt":"I live somewhere with a last frost of June 1 and first frost of August 25 — can I still plant a crop that takes 60 days to mature, and when would I need to start it outdoors to get a harvest in time?"}],"resultDescription":"Returns a JSON object with the recommended outdoor start date, recommended indoor start date (if applicable), estimated harvest date, number of frost-free days, days to maturity, the formula used, and a scope note clarifying what the calculation covers and excludes.","failureModes":["Missing required parameters (last_frost, first_frost, days_to_maturity) returns an error","Invalid date format (not YYYY-MM-DD) causes parsing failure","Crop maturity days longer than frost-free window may produce a harvest date after first frost or an infeasible result","Negative or non-numeric values for day counts cause validation errors","first_frost date earlier than last_frost date may produce nonsensical results"],"whenToPreferThis":"Use this endpoint when you need a quick, date-arithmetic-based planting schedule derived from frost dates and crop maturity — ideal for garden planning agents, seed-starting reminders, or growing zone tools. Prefer this over generic date calculators because it understands gardening-specific concepts like indoor start windows, transplant timing, and frost-free season length.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-17T06:54:18.656Z","isFirstParty":false,"canonicalSlug":"saylor-innovations-garden-plant-planting-window-calculator-c4b0c0d1"}