How do I add a category not shown in Workout app on Apple Watch?
How do I add a category not shown in Workout App? Specifically Gardening?
[Re-Titled by Moderator]
Sorry, but you can only add those types that are listed, or select "Other" as an option:
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Choose Other when you can't find a matching workout type. In all workouts, the Heart Rate and Motion sensors work together to give you accurate credit. When you use Other, or any workout type available in the Add Workout section, you earn the credit equivalent of a brisk walk when these sensor readings are unavailable.
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copied from: Workout types on Apple Watch - Apple Support
You can let Apple know directly about your wishes for additional workout types by using the Feedback link:
Feedback - Apple Watch - Apple