Take the guesswork out of growing fresh food indoors using the new Miracle-Gro Twelve Indoor Growing System with the Miracle-Gro Twelve app. Connected via Bluetooth technology, the Miracle-Gro Twelve app allows you to monitor water levels, control the light, set a growing schedule, and receive important notifications.

Setup Step-by-Step Instructions
Use the Miracle-Gro Twelve App to help you assemble your Miracle-Gro Twelve Indoor Growing System. With step-by-step animated instructions, the Miracle-Gro Twelve App truly makes it easy to get started.

Set Growing Schedule
The Miracle-Gro Twelve App is designed to help make growing indoors easy. Begin growing your plants by setting a growing schedule in the Miracle-Gro Twelve App. First choose to start from seed, seedling or a young plant. Then select the varieties you’d like to grow. The Miracle-Gro Twelve App comes preloaded with feeding and harvesting information for more than twenty different varieties of herbs, leafy greens and flowers. When in range get push notifications when it’s time to feed your plants, add more water and finally when it’s time to harvest.

Control Light Mode
The Miracle-Gro Twelve Indoor Growing System comes with a 60W, cool-spectrum LED grow light with three different levels of light. Grow, a bright light for growing plants. Low, a dim light, not for growing. Off, no light. Easily change the mode of your light through the Miracle-Gro Twelve App to override your normal grow schedule. When you override your grow schedule, a timer will start so your normal schedule resumes automatically after 60 minutes.

Monitor Water Level
When growing in a water-base system like the Miracle-Gro Twelve Indoor Growing System, it’s important to make sure your plants have adequate water at all times. When in range of your system, get push notifications on your smart device through the Miracle-Gro Twelve App to remind you when it’s time to add water.

The Miracle-Gro Twelve App keeps track of all your important growing dates for your through the calendar. When in range get push notifications on your smart device when it’s time to feed your plants, add more water and finally when it’s time to start harvesting.

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What’s New

Version 1.4.2

Fix cloud syncing issues with custom plants
Improve bluetooth connectivity and reliability
Minor UI fixes and changes

Ratings and Reviews

3.8 out of 5
40 Ratings

40 Ratings

prettiebrittie ,

The perfect solution for small space gardening ☀️😍

I LOVE this growing system! There are some benefits and some disadvantages I have found when using this but overall my experience is very positive! The benefits - This is perfect for my small space low lighting apartment lifestyle. I have always been a plant person, growing in my garden growing up, however when I moved to a small space there didn’t seem like a lot of options to continue my passion for that. Until this. It is beautifully sleek, very compact and doesn’t stick out like a sore thumb in my apartment. The success of my plants has been great! I have grown herbs, flowers and leafy greens. And it is super easy to set up! I also love how you can control it with the app. The disadvantages - I would love for seeds to be purchasable on the app. I also could not screw the system together (not by drill, screwdriver, of the piece they give you) It holds together without it but obviously would have loved for it to be more stable. Because this system is also 24 hours, I believe that it is using a substantial amount of electricity. My bill for electric seems somewhat higher, so for the cost of growing produce and flowers vs. electricity, I’m not sure if it evens out. Other than that, couldn’t recommend the product more and can’t wait to see what Miracle Gro comes up with next!

FirstTimeGrower ,

Works... but glitchy

My app never saved custom plants no matter how many times I tried. Also, when I add plant food, I can’t indicate it on the calendar in order to be reminded when to feed again. The app only provides one function which is to set the time the light will come on and off - and It often crashes. Last and most annoying, the low water light will begin to blink even in the middle of the night, waking us up. We live in a studio apartment where there is nowhere to “hide” it. The app knows what time it is and should be smart enough not to blink until a reasonable time in the morning.

Grngrl22 ,

Just got it

UPDATE: I got another device and set it up. It was fine for a few days then suddenly today I noticed that the first device disappeared. Also when I only had the first device it keeps on disconnecting from the phone when the water level becomes low and would not turn off the light as scheduled since it got disconnected from the phone. When I didn’t know what was causing it I tried closing the app, uninstalling and reinstalling it ad even turn off and off the miracle gro twelve. This didn’t solve the issue. The device is great but the app has a lot of bugs and crashes all the time. I wish they can fix the app as I really like the device itself. It is just frustrating to always reads the devices and the plants when it loses the information you already supplied.


I am loving it, but I echo some of the reviews that we cannot customize the time the light is on (if I wanted less than 14 hours for example) or how long the override can be done. Also I have been trying to add a plant not listed but it is giving me an error saying to check my internet connection. Also I was trying to change that I have already fed with the supplements but I don’t seem to find a way to update it.


The Scotts Miracle-Gro Company
83.6 MB

Requires iOS 11.0 or later. Compatible with iPhone, iPad, and iPod touch.



Age Rating


  • Family Sharing

    With Family Sharing set up, up to six family members can use this app.

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