Oka Hironobu This workflow corresponds to n8n.io template #17415 — we link there as the canonical source.
This workflow follows the Chainllm → Form Trigger recipe pattern — see all workflows that pair these two integrations.
The workflow JSON
Copy or download the full n8n JSON below. Paste it into a new n8n workflow, add your credentials, activate. Full import guide →
{
"id": "VJLi9bYDwoxoDD9e",
"meta": {
"builderVariant": "mcp",
"aiBuilderAssisted": true
},
"name": "Identify plants from a photo and get a care schedule with Gemini and Google Sheets",
"tags": [],
"nodes": [
{
"id": "da1f858d-f2ea-4a42-90c4-3a0ebf855cb7",
"name": "Plant Photo Form",
"type": "n8n-nodes-base.formTrigger",
"position": [
144,
48
],
"parameters": {
"options": {
"buttonLabel": "Identify my plant",
"respondWithOptions": {
"values": {
"formSubmittedText": "Thanks! Your plant report will arrive by email shortly."
}
}
},
"formTitle": "Identify my plant",
"formFields": {
"values": [
{
"fieldType": "email",
"fieldLabel": "Your email",
"requiredField": true
},
{
"fieldLabel": "Nickname",
"placeholder": "e.g. Kitchen fern",
"requiredField": true
},
{
"fieldType": "dropdown",
"fieldLabel": "Location",
"fieldOptions": {
"values": [
{
"option": "Bright direct sun"
},
{
"option": "Bright indirect light"
},
{
"option": "Low light"
},
{
"option": "Outdoors"
}
]
},
"requiredField": true
},
{
"fieldType": "file",
"fieldLabel": "Plant photo",
"multipleFiles": false,
"requiredField": true,
"acceptFileTypes": ".jpg,.jpeg,.png"
}
]
},
"formDescription": "Upload a photo of your plant to identify it, check its health and get a watering and care schedule."
},
"typeVersion": 2.6
},
{
"id": "f75528e9-cdc3-43f0-b268-b8b2452e1fd3",
"name": "Identify Plant with Gemini",
"type": "@n8n/n8n-nodes-langchain.chainLlm",
"onError": "continueErrorOutput",
"position": [
544,
48
],
"parameters": {
"text": "=You are a botanist and houseplant expert. Look at the plant photo and identify it. The owner keeps it in: {{ $json.Location }}. Give the common and scientific name, how confident you are, whether the plant looks healthy, sick or dying, any visible problems such as yellowing, pests, root rot or sunburn, a concrete watering instruction, the light it needs, practical care tips, how many days between waterings as a number, and whether it is toxic to cats and dogs. If it is not a plant, say so in common_name and set confidence to low.",
"batching": {},
"messages": {
"messageValues": [
{
"type": "HumanMessagePromptTemplate",
"imageDetail": "high",
"messageType": "imageBinary",
"binaryImageDataKey": "Plant_photo"
}
]
},
"promptType": "define",
"hasOutputParser": true
},
"typeVersion": 1.9
},
{
"id": "fbd389c7-12c4-485d-b3ab-d75c1cb29bea",
"name": "Google Gemini Chat Model",
"type": "@n8n/n8n-nodes-langchain.lmChatGoogleGemini",
"position": [
512,
256
],
"parameters": {
"options": {
"temperature": 0.2
},
"modelName": "models/gemini-3.1-flash-lite"
},
"credentials": {
"googlePalmApi": {
"name": "<your credential>"
}
},
"typeVersion": 1.1
},
{
"id": "43b68ad5-4b37-458b-8c80-dd7163dcf590",
"name": "Plant Report Parser",
"type": "@n8n/n8n-nodes-langchain.outputParserStructured",
"position": [
720,
256
],
"parameters": {
"jsonSchemaExample": "{\"common_name\":\"Boston fern\",\"scientific_name\":\"Nephrolepis exaltata\",\"confidence\":\"high\",\"health\":\"healthy\",\"problems\":[\"Slight leaf browning at tips\"],\"watering\":\"Water every 3-4 days, keep soil lightly moist\",\"light\":\"Bright indirect light\",\"care_tips\":[\"Mist regularly\",\"Repot each spring\"],\"water_every_days\":4,\"toxic_to_pets\":true}"
},
"typeVersion": 1.3
},
{
"id": "124d6d34-d51e-457f-b6d3-27158fb5a236",
"name": "Parse Plant Report",
"type": "n8n-nodes-base.code",
"position": [
1200,
32
],
"parameters": {
"mode": "runOnceForEachItem",
"jsCode": "const src = $json.output || $json;\nconst f = $('Plant Photo Form').item.json;\nconst bullets = function (x) { return Array.isArray(x) ? x.map(function (i) { return '- ' + i; }).join('\\n') : (x || ''); };\nconst join = function (x) { return Array.isArray(x) ? x.join('; ') : (x || ''); };\nconst days = Number(src.water_every_days) || 7;\nconst next = new Date(Date.now() + days * 86400000).toISOString().slice(0, 10);\nreturn {\n email: f['Your email'] || '',\n nickname: f.Nickname || '',\n location: f.Location || '',\n commonName: src.common_name || 'Unknown',\n scientificName: src.scientific_name || '',\n confidence: String(src.confidence || 'low').toLowerCase(),\n health: String(src.health || 'healthy').toLowerCase(),\n problems: join(src.problems),\n problemList: bullets(src.problems),\n watering: src.watering || '',\n light: src.light || '',\n careTips: bullets(src.care_tips),\n waterEveryDays: days,\n nextWatering: next,\n toxicToPets: src.toxic_to_pets ? 'Yes' : 'No'\n};"
},
"typeVersion": 2
},
{
"id": "28a2ffb0-fda9-4e67-8d86-fd2793bda53a",
"name": "Log Plant to Care Sheet",
"type": "n8n-nodes-base.googleSheets",
"position": [
1424,
32
],
"parameters": {
"operation": "appendOrUpdate",
"sheetName": {
"__rl": true,
"mode": "list",
"value": "",
"cachedResultName": "Plants"
},
"documentId": {
"__rl": true,
"mode": "list",
"value": "",
"cachedResultName": "Select your spreadsheet"
}
},
"credentials": {
"googleSheetsOAuth2Api": {
"name": "<your credential>"
}
},
"typeVersion": 4.7
},
{
"id": "67fc0842-f29a-4aae-9bbd-460fa05e25f7",
"name": "Route by Plant Health",
"type": "n8n-nodes-base.switch",
"position": [
1792,
0
],
"parameters": {
"rules": {
"values": [
{
"conditions": {
"options": {
"version": 1,
"leftValue": "",
"caseSensitive": false,
"typeValidation": "loose"
},
"combinator": "and",
"conditions": [
{
"operator": {
"type": "string",
"operation": "equals"
},
"leftValue": "={{ $(\"Parse Plant Report\").item.json.health }}",
"rightValue": "dying"
}
]
}
},
{
"conditions": {
"options": {
"version": 1,
"leftValue": "",
"caseSensitive": false,
"typeValidation": "loose"
},
"combinator": "and",
"conditions": [
{
"operator": {
"type": "string",
"operation": "equals"
},
"leftValue": "={{ $(\"Parse Plant Report\").item.json.health }}",
"rightValue": "sick"
}
]
}
},
{
"conditions": {
"options": {
"version": 1,
"leftValue": "",
"caseSensitive": false,
"typeValidation": "loose"
},
"combinator": "and",
"conditions": [
{
"operator": {
"type": "string",
"operation": "equals"
},
"leftValue": "={{ $(\"Parse Plant Report\").item.json.health }}",
"rightValue": "healthy"
}
]
}
}
]
},
"options": {
"fallbackOutput": "extra",
"renameFallbackOutput": "Other"
}
},
"typeVersion": 3.2
},
{
"id": "db5d05be-397c-426b-981b-f2134889befb",
"name": "Email Rescue Plan",
"type": "n8n-nodes-base.gmail",
"position": [
2048,
-16
],
"parameters": {
"sendTo": "={{ $(\"Parse Plant Report\").item.json.email }}",
"message": "={{ \"Your \" + $(\"Parse Plant Report\").item.json.commonName + \" (\" + $(\"Parse Plant Report\").item.json.scientificName + \") is in serious trouble.\\n\\nWhat I can see:\\n\" + $(\"Parse Plant Report\").item.json.problemList + \"\\n\\nAct now:\\n\" + $(\"Parse Plant Report\").item.json.careTips + \"\\n\\nWatering: \" + $(\"Parse Plant Report\").item.json.watering + \"\\nLight: \" + $(\"Parse Plant Report\").item.json.light }}",
"options": {},
"subject": "={{ \"Urgent: \" + $(\"Parse Plant Report\").item.json.nickname + \" needs help\" }}",
"emailType": "text"
},
"credentials": {
"gmailOAuth2": {
"name": "<your credential>"
}
},
"typeVersion": 2.2
},
{
"id": "c97b555e-9660-4eb9-b2df-769fcbc173f6",
"name": "Email Treatment Plan",
"type": "n8n-nodes-base.gmail",
"position": [
2048,
144
],
"parameters": {
"sendTo": "={{ $(\"Parse Plant Report\").item.json.email }}",
"message": "={{ \"Your plant is a \" + $(\"Parse Plant Report\").item.json.commonName + \" and it is showing early problems.\\n\\nProblems spotted:\\n\" + $(\"Parse Plant Report\").item.json.problemList + \"\\n\\nHow to fix it:\\n\" + $(\"Parse Plant Report\").item.json.careTips + \"\\n\\nWatering: \" + $(\"Parse Plant Report\").item.json.watering + \"\\nNext watering: \" + $(\"Parse Plant Report\").item.json.nextWatering }}",
"options": {},
"subject": "={{ $(\"Parse Plant Report\").item.json.nickname + \" has a problem worth fixing\" }}",
"emailType": "text"
},
"credentials": {
"gmailOAuth2": {
"name": "<your credential>"
}
},
"typeVersion": 2.2
},
{
"id": "82e5423f-e3a2-48ef-92de-636faa41a26e",
"name": "Email Care Schedule",
"type": "n8n-nodes-base.gmail",
"position": [
2048,
304
],
"parameters": {
"sendTo": "={{ $(\"Parse Plant Report\").item.json.email }}",
"message": "={{ \"Identified as \" + $(\"Parse Plant Report\").item.json.commonName + \" (\" + $(\"Parse Plant Report\").item.json.scientificName + \"), confidence \" + $(\"Parse Plant Report\").item.json.confidence + \".\\n\\nYour plant looks healthy.\\n\\nWatering: \" + $(\"Parse Plant Report\").item.json.watering + \"\\nNext watering: \" + $(\"Parse Plant Report\").item.json.nextWatering + \"\\nLight: \" + $(\"Parse Plant Report\").item.json.light + \"\\nToxic to pets: \" + $(\"Parse Plant Report\").item.json.toxicToPets + \"\\n\\nCare tips:\\n\" + $(\"Parse Plant Report\").item.json.careTips }}",
"options": {},
"subject": "={{ $(\"Parse Plant Report\").item.json.nickname + \" is a \" + $(\"Parse Plant Report\").item.json.commonName }}",
"emailType": "text"
},
"credentials": {
"gmailOAuth2": {
"name": "<your credential>"
}
},
"typeVersion": 2.2
},
{
"id": "aeb35a59-568e-477b-af0f-fc0e157a8516",
"name": "Email Unclear Result",
"type": "n8n-nodes-base.gmail",
"position": [
2048,
464
],
"parameters": {
"sendTo": "={{ $(\"Parse Plant Report\").item.json.email }}",
"message": "={{ \"Our best guess is \" + $(\"Parse Plant Report\").item.json.commonName + \", but confidence is \" + $(\"Parse Plant Report\").item.json.confidence + \".\\n\\nTry another photo showing the whole plant and a close-up of a leaf.\\n\\nGeneral guidance:\\n\" + $(\"Parse Plant Report\").item.json.careTips }}",
"options": {},
"subject": "We could not confidently identify your plant",
"emailType": "text"
},
"credentials": {
"gmailOAuth2": {
"name": "<your credential>"
}
},
"typeVersion": 2.2
},
{
"id": "25e8b127-9af2-42a1-8332-92395ea30b67",
"name": "Email Identification Failure",
"type": "n8n-nodes-base.gmail",
"position": [
928,
224
],
"parameters": {
"sendTo": "={{ $(\"Plant Photo Form\").item.json[\"Your email\"] }}",
"message": "Sorry - we could not read your photo. Please try again with a clear, well-lit picture showing the leaves.",
"options": {},
"subject": "We could not identify your plant",
"emailType": "text"
},
"credentials": {
"gmailOAuth2": {
"name": "<your credential>"
}
},
"typeVersion": 2.2
},
{
"id": "f5cee64b-92b6-456a-9206-00f1365102a5",
"name": "Overview Sticky",
"type": "n8n-nodes-base.stickyNote",
"position": [
-464,
-288
],
"parameters": {
"width": 440,
"height": 804,
"content": "## Identify plants from a photo and get a care schedule with Gemini and Google Sheets\n\n### How it works\nPeople kill houseplants because they never learn what they actually bought. Photograph the plant, submit it through the built-in n8n form with where you keep it, and a Basic LLM Chain with Google Gemini reads the image directly - identifying the common and scientific name, judging whether it looks healthy, sick or dying, spotting problems like yellowing, pests or root rot, and returning a watering interval, light needs, care tips and whether it is toxic to cats and dogs. The plant is upserted into a Google Sheets care log by nickname with the next watering date calculated, and a Switch sends a different email: a rescue plan for dying plants, a treatment plan for sick ones, a care schedule for healthy ones.\n\n### Setup\n1. Connect Google Gemini (PaLM) API, Google Sheets and Gmail.\n2. Point the Sheets node at your spreadsheet (tab: Plants).\n3. Open the form URL on your phone and photograph a plant.\n\n### Customization tips\nAdd a scheduled watering reminder that reads the Next Watering column."
},
"typeVersion": 1
},
{
"id": "b07d369f-dac8-4cfe-a6c0-14f250937e05",
"name": "S1",
"type": "n8n-nodes-base.stickyNote",
"position": [
0,
-288
],
"parameters": {
"color": 7,
"width": 428,
"height": 900,
"content": "## 1. Photograph the plant\nThe built-in n8n form takes the nickname, where the plant lives and the photo. Nothing else to install."
},
"typeVersion": 1
},
{
"id": "35da39ac-6f33-4433-99c6-c6f4b527fdf8",
"name": "S2",
"type": "n8n-nodes-base.stickyNote",
"position": [
448,
-288
],
"parameters": {
"color": 7,
"width": 644,
"height": 900,
"content": "## 2. AI identification (Basic LLM Chain)\nGemini reads the photo directly and returns species, health, problems and care needs as JSON. Unreadable photos email the owner."
},
"typeVersion": 1
},
{
"id": "89dc5620-a187-4c41-858e-92c8b38c31e7",
"name": "S3",
"type": "n8n-nodes-base.stickyNote",
"disabled": true,
"position": [
1104,
-288
],
"parameters": {
"color": 7,
"width": 564,
"height": 900,
"content": "## 3. Build the care log\nCalculate the next watering date and upsert the plant by nickname, so re-photographing the same plant updates its row instead of duplicating it."
},
"typeVersion": 1
},
{
"id": "5ddc9496-11bc-469e-a702-9d4219f2e951",
"name": "S4",
"type": "n8n-nodes-base.stickyNote",
"position": [
1680,
-288
],
"parameters": {
"color": 7,
"width": 584,
"height": 900,
"content": "## 4. Route by health\nDying plants get an urgent rescue plan, sick plants get a treatment plan, healthy plants get the care schedule, unclear results ask for a better photo."
},
"typeVersion": 1
}
],
"active": false,
"settings": {
"binaryMode": "separate",
"availableInMCP": true,
"executionOrder": "v1"
},
"versionId": "dc26bc25-3b52-40ea-89ce-133133c024f6",
"nodeGroups": [],
"connections": {
"Plant Photo Form": {
"main": [
[
{
"node": "Identify Plant with Gemini",
"type": "main",
"index": 0
}
]
]
},
"Parse Plant Report": {
"main": [
[
{
"node": "Log Plant to Care Sheet",
"type": "main",
"index": 0
}
]
]
},
"Plant Report Parser": {
"ai_outputParser": [
[
{
"node": "Identify Plant with Gemini",
"type": "ai_outputParser",
"index": 0
}
]
]
},
"Route by Plant Health": {
"main": [
[
{
"node": "Email Rescue Plan",
"type": "main",
"index": 0
}
],
[
{
"node": "Email Treatment Plan",
"type": "main",
"index": 0
}
],
[
{
"node": "Email Care Schedule",
"type": "main",
"index": 0
}
],
[
{
"node": "Email Unclear Result",
"type": "main",
"index": 0
}
]
]
},
"Log Plant to Care Sheet": {
"main": [
[
{
"node": "Route by Plant Health",
"type": "main",
"index": 0
}
]
]
},
"Google Gemini Chat Model": {
"ai_languageModel": [
[
{
"node": "Identify Plant with Gemini",
"type": "ai_languageModel",
"index": 0
}
]
]
},
"Identify Plant with Gemini": {
"main": [
[
{
"node": "Parse Plant Report",
"type": "main",
"index": 0
}
],
[
{
"node": "Email Identification Failure",
"type": "main",
"index": 0
}
]
]
}
}
}
Credentials you'll need
Each integration node will prompt for credentials when you import. We strip credential IDs before publishing — you'll add your own.
gmailOAuth2googlePalmApigoogleSheetsOAuth2Api
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About this workflow
This workflow collects a plant photo via an n8n form, uses Google Gemini to identify the plant and assess its health, logs the result to Google Sheets, and emails a tailored care plan through Gmail based on the plant’s condition. Receives a submission from an n8n Form that…
Source: https://n8n.io/workflows/17415/ — original creator credit. Request a take-down →
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