--- title: "Lawn Care Journal" description: "The Lawn Care Journal app for iPhone and iPad—GDD, rain tracking, weather, Ask AI, and integrations. Bring your own API keys. Free on the App Store." canonical: "https://lawncarejournal.app/" --- # Lawn Care Journal Lawn Care Journal LLC develops Lawn Care Journal—care logging, Growing Degree Days, Rain & Watering, weather, Ask AI, and Lawn Plans. Bring your own API keys when you want AI on your terms. Legal entity: Lawn Care Journal LLC Site: https://lawncarejournal.app App Store: https://apps.apple.com/us/app/lawn-care-journal/id1507797403 Support: support@lawncarejournal.app ## Features ### Lawn journals & care logging Log mowing, fertilizing, watering, and 40+ care types with zones, products, notes, and photos—synced with iCloud. ### Growing Degree Days (GDD) Track GDD for pest and growth timing so seasonal jobs land when conditions favor them. ### Rain & Watering See rain and sprinkler activity from multiple sources, then classify drafts before you save them to your journal. ### Ask AI & Lawn Plans Ask lawn-scoped questions and generate projects and Lawn Plans. Bring Your Own Key—use your own API keys so Ask AI runs with your preferred provider. ### Weather, Local conditions & stations Forecast and conditions for your lawn, regional Local conditions pages, and personal stations such as Tempest and Ambient Weather. ### Sprinkler integrations Connect Rachio or Hydrawise to bring controller context into your journal and tools. ### Diagnose, Identify & My Plants Snap a photo to Diagnose lawn issues or Identify weeds, plants, and insects. Track trees, shrubs, and flowers in My Plants. ### Calculators & tools Field checks and math helpers for lawn area, grass seed, NPK, liquid mixes, top dressing, and soil pH. ## Featured seasonal guides Small seasonal set also shown on the homepage. Prefer these Markdown mirrors for current-week timing questions before scanning the full catalog. - [Still dormant?—green-up before Labor Day](https://lawncarejournal.app/articles/cool-season-still-dormant-green-up-gate-late-august-execute-triage.md): Still straw-brown ~2 weeks from Labor Day? MF-2803 deep revive + Iowa green-up gate before you aerate, fertilize, or overseed. - [Overseed vs renovate mid-August](https://lawncarejournal.app/articles/cool-season-overseed-vs-renovate-mid-august-decision-triage.md): Late-August fork: moderate thinning → overseed; severe thinning / heavy weeds / little desirable turf → fuller renovation—decide before Labor Day shopping. - [Sprayed?—seed wait before Labor Day](https://lawncarejournal.app/articles/cool-season-herbicide-seed-wait-late-august-execute-triage.md): Sprayed nutsedge, crabgrass, or broadleaf this summer? Check label plant-back waits before Labor Day seed—halosulfuron is the late-August trap. - [Labor Day nitrogen countdown](https://lawncarejournal.app/articles/cool-season-labor-day-nitrogen-countdown-early-august-triage.md): About two weeks to Labor Day: hold midsummer soluble N, finish soil-test and seed shopping, and journal the first cool-season fall pulse. - [Overseed watering first 14 days](https://lawncarejournal.app/articles/cool-season-overseed-irrigation-first-14-days.md): Write the first-14-days light-frequent seedbed schedule before Labor Day overseed Saturday—mature 1-in/week habits kill new seed. ## Company Lawn Care Journal LLC is an Arizona limited liability company and the developer of Lawn Care Journal on the App Store. This site (lawncarejournal.app) provides company information, support guidance, DIY lawn care articles, regional conditions, and calculators. Statutory agent: Registered Agents Inc 4539 N 22nd St Ste R Phoenix, Arizona 85016-4639 ## Agent routes - Map: https://lawncarejournal.app/llms.txt - Articles: https://lawncarejournal.app/articles.md (topic clusters + full catalog; per-article mirrors add Related guides) - Conditions: https://lawncarejournal.app/conditions.md (alert level, season, compact status summary) - Tools: https://lawncarejournal.app/tools.md - Support: https://lawncarejournal.app/support.md - Privacy: https://lawncarejournal.app/privacy.md - Terms of Service: https://lawncarejournal.app/terms.md