Is there an app that tells me when to water each plant, including outdoor ones?

Yes. Arbor gives every plant its own watering schedule, shows what needs water today and lets you water everything due with one tap. For outdoor plants, it checks local conditions from Apple Weather and suggests what to do about frost tonight, heat, UV, wind or rain. Watering reminders are part of Premium.

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By dotdotdotapps, who make Arbor. Updated 2026-11-04. We list real alternatives and say when one fits better.

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How the options compare

• Calendar or Reminders repeat events: Free and flexible. They repeat on a fixed day and do not adapt to each plant or the weather.
• A watering can by the window: A visible cue works for many people. It does not help with a dozen plants on different schedules.

Where Arbor fits

In Arbor, you can ask Siri "What needs water in Arbor?" or "Water the Monstera in Arbor", and your plants appear in Spotlight with one-tap Water buttons.

Free: up to 5 plants, name lookup, watering schedules and weather alerts. Premium adds unlimited plants, watering reminders, unlimited photo identification and Plant Doctor.

Weather alerts for outdoor plants use Apple Weather. You can set metric or imperial units.

What it costs

Arbor is free to download. Free gives you up to 5 plants, name lookup, 3 photo identifications, watering schedules and weather alerts. Premium unlocks unlimited plants, unlimited photo identification, Plant Doctor and watering reminders: $1.49 a week, $2.99 a month, $19.99 a year or $39.99 once in the US. Prices from the US App Store, checked 2026-11-04; they vary by region.

Quick answers

More questions about Arbor

• What is a good plant identification app that does not need an account?
• Why are my plant's leaves turning yellow, and can an app diagnose it?

Full details: Arbor app page · all answers

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