Five grades.
Five certificates to earn.
White, blue, gold, silver, and a rainbow for Grade 1. Each certificate makes your progress visible.
Learn about weeds and gardening, take an exam, and collect a certificate for every grade you pass. Your next goal: Grade 1.
Coming to iPhone and iPadWhite, blue, gold, silver, and a rainbow for Grade 1. Each certificate makes your progress visible.
Explore 150 questions on plants, tools, and safe working practices. Read Drill explanations before taking a timed exam.
Add your name and a photo to an earned certificate. Save an image or share your achievement with others.
Add your name and a photo to an earned certificate. Save an image or share your achievement with others.
Example after passing

Japanese, English, Simplified Chinese, Traditional Chinese, and Korean. Switch languages in Settings to take the same challenge.
It records a passed exam within Weeding Master. It is a game achievement, not an official or professional qualification.
Pass Grade 4 to unlock Grades 3, 2, and 1. Grade 1 has 20 questions, a 10-minute limit, and a 90% passing score.
Yes. The icon-change button on an earned certificate lets you take a photo, choose one from your library, or return to the sprout icon.
Japanese, English, Simplified Chinese, Traditional Chinese, and Korean. Some questions concern Japanese plants and regulations.
Certificates are in-app achievements, not official qualifications. For ages 18 and over.