The 5 Best Apps to Identify Lawn Weeds

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Having a well-maintained lawn can be difficult and dealing with weeds is certainly part of that challenge. It can be hard to know which weeds you have in your lawn and the correct identification is required for the appropriate treatment. Different types of weeds respond to different treatments so you’ll need to understand what you have beforehand.

If you’re not an expert and you’re trying to identify a certain weed, you’re likely going to be out in the lawn comparing photos to what’s on the ground and that can be very time consuming. 

Fortunately, there are some great apps out there that can help you quickly and easily identify weeds and other lawn pests.

If you’ve ever surfed through the Apple App Store or Google Play Store, you’ll know that there are so many options to choose from. I’m going to be honest, most of them are terrible so choosing one that you can rely on is no easy task.

While researching this article, I came across more than a dozen apps that are designed to help you identify weeds. Unfortunately with a great number these apps, there tends to be quite a few issues. Some have outdated information, others are overly complicated and most were just plain bad.

I’ve tried to narrow it down to the best 5 apps that offer the best user experience, features and price.

1. PictureThis

PictureThis is a free app available for both Android and iOS. Its easy-to-navigate design makes it a good choice for those who want to identify weeds without getting bogged down in detail.

All you have to do is take a photo of the weed, and the app will provide you with a description and possible solutions.

For anyone interested in gardening, and horticulture, in particular, PictureThis is a great choice. It is an AI-powered plant identification app that uses your mobile device’s camera to identify plants, flowers and weeds.


  • Simple and intuitive
  • AI-powered for quick and accurate identification
  • Provides solutions for weeds


  • Seems to be some confusion over subscription

2. PlantNet

PlantNet is a great option for anyone looking to identify weeds easily and quickly. It is a free mobile app for iOS and Android. Again, you are able to take a picture of the weed and it will identify the type.

The app also offers useful information about the weed, such as its scientific name, family, and common names. It also provides information on how to best control and manage the weed.

Moreover, PlantNet offers a huge database of plants, so it is a great resource for all kinds of plants, not just weeds. The app also allows you to upload pictures to the app’s online database and get feedback from other users.


  • User-friendly and comprehensive 
  • Open and free to everyone
  • Provides useful information about weeds 
  • Has a large database of plants – At the time this article is being written, there are 37499 species and 14756033 images.
  • Allows users to upload pictures and get feedback from other users
  • Can identify a large number of cultivated plants


  • Not super specific

3. iNaturalist

iNaturalist is a social network of naturalists and scientists who share observations of plants and animals. The app also contains a great weed identification feature. The interface is very user-friendly, and you can quickly search for weeds by entering the name or description of the weed. 

The app also provides helpful images of the weed and its characteristics and a list of similar plants. The app is free, but you can also upgrade to a premium version for additional features.


  • User-friendly interface
  • Comprehensive database
  • Variety of images and descriptions
  • Free and premium versions
  • Has a huge community of naturalists.


  • Limited search options
  • The encyclopedia is not as comprehensive as some of the other apps.

4. PlantSnap

This app allows you to snap a picture of a weed and quickly identify it. It uses a large database of images to get you an accurate identification. The app also offers a wealth of information on the plants, such as habitat and care information.

It has been striving to create the biggest scientific database of plants, and it recently added trees, which is a great addition. The app also has a social component, allowing users to connect with other gardeners and share their successes and challenges.


  • It’s high-tech, comprehensive and user-friendly.
  • It has a large database of plants and trees.
  • It has a social component that allows you to connect with other gardeners.


  • The app can be slow at times.
  • Some of the identifying features are not as accurate as they could be.

5. LeafSnap

This app is designed specifically for identifying trees. It uses a sophisticated pattern-matching algorithm to accurately identify trees. The app also has a wealth of information on the trees, such as habitat, life cycle, and more. 

Leafsnap is very easy to use as it comes with a great interface. It is capable of identifying more than 32,000 plant taxons over the world and it is free to use, and the only requirement is a good internet connection.


  • Has a reminder feature that helps you track your tasks
  • Features a massive database of trees
  • Easy to use


  • Doesn’t offer any advice or tips on how to care for the identified tree

Frequently Asked Questions

Are apps the best way to identify weeds in my lawn?

The best way to identify weeds in your lawn is to bring a sample of the weed to a garden center or local cooperative extension office and ask for help identifying it. 

They can provide you with information on the type of weed, how to best manage it, and what products may be effective in controlling it.

What are 5 common weeds found in lawns and gardens?

There are so many types of weeds that it is impossible to list them all, but here are some of the most common weeds found in lawns and gardens:

  1. Dandelions
  2. Crabgrass
  3. Nutsedge
  4. Broadleaf Plantain
  5. Purslane

What’s the best free app for identifying plants?

The PlantSnap app is a popular free app for identifying plants. It uses a visual recognition algorithm to identify plants, trees, and mushrooms from a photo. It has a database of over 500,000 species and is available on both Android and iOS.

Is PictureThis a good app?

Yes, PictureThis is a remarkably popular and highly-rated app. It uses AI to identify plants and flowers, which many users find useful and exciting. 

It also provides helpful information about the plants and flowers it identifies, making it a great app for both casual and more serious plant lovers.

What is the best grass identification app?

According to reviews, the best grass identification app is iNaturalist. It is a free app available on both iOS and Android devices. 

It allows users to identify over 10,000 species of plants and animals, including grasses. It also contains photos, range maps and detailed descriptions of each species.

Final Thoughts

That’s all folks! With these five apps, you’re sure to find the one that will help you identify lawn weeds quickly and accurately. 

Whether you’re a professional or amateur gardener, these apps are sure to make your lawn care duties easier and more enjoyable.

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