Use the free Plant Watering Tracker below: your data never leaves your browser — all work happens on your device, and nothing is uploaded to any server.
Houseplants usually die from one of two things: too much love or too little. Overwatering rots the roots, underwatering dries the leaves, and the difference between the two is a schedule you can actually remember. The problem is that plants do not ask for water on the same day. One needs water every four days, another every fourteen, and by the third plant, nobody remembers which is which. The Plant Watering Tracker remembers for you, with a due date for every plant.
To use it, add each plant by name, set how often it needs water in days, and set the date you last watered it. The tool works out the next due date and sorts your plants by it, so the most urgent plant is always on top. Overdue plants are flagged clearly, so a plant that missed its day cannot hide at the bottom of a list. When you water a plant, press Watered today and its due date moves forward by its interval. That one button is the whole daily routine.
Watering intervals are starting points, not laws of nature. A monstera in a bright room in summer drinks faster than the same plant in a dark corner in winter. Soil, pot size, and drainage all change how fast a plant dries out. The honest way to use an interval is to check the soil before you water: push a finger about two centimetres into the soil, and water only if it feels dry. If the soil is still damp on the due date, wait a day and update the last-watered date when you do water.
The tracker also stops the most common plant mistake, which is watering everything on the same day. A single watering day feels efficient, but it drowns the cactus and starves the fern. Different plants, different schedules: that is the whole point of a per-plant tracker. Group plants by their interval if it helps, but let each plant keep its own due date. Your fern will thank you, and your cactus will survive your kindness.
Your plants are saved in your browser when storage is available. If storage is blocked, for example in a private window, they are kept only while the page stays open. Use the Export button to download a backup file, and import it on another device if you switch computers. Since there is no account, the backup file is the only way your plant list survives a new device, and a list of twenty plants is worth ten seconds of backup.
New plants deserve a quarantine of honesty: look up the plant’s real needs when you buy it, rather than trusting the small plastic tag. Some plants sold as easy are fussy about light, and some sold as fussy are nearly unkillable. Write the interval from a reliable plant guide, not a guess, and adjust it after a few weeks of watching the soil. The tracker keeps the schedule; you keep the judgement, and together they keep the plants alive.
How to track plant watering
- Add each plant with its name and watering interval in days.
- Set the date you last watered it.
- Check the list, most urgent plant first, and water what is due.
- Press Watered today after watering, to move its due date forward.
- Export a backup file regularly.
Frequently asked questions
How do I know the right interval? Start from a plant guide for your species, then adjust by checking the soil. Water when the top soil feels dry, not by the calendar alone.
What if a plant is overdue? It is flagged clearly. Water it, press Watered today, and its schedule restarts.
Can I track many plants? Yes. The list sorts by due date, so the most urgent plant is always first.
Is my list saved? In your browser when storage is available. If blocked, it lasts only while the page is open, so export a backup.
One list, one due date per plant, no more guessing. Your plants get water when they need it, and you get to stop feeling guilty about the fern.

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