From a Jain dharma perspective, ahimsa (non-violence) towards all living beings includes plants. Ginger is a plant whose edible part is the rhizome (root). Harvesting it typically involves digging up and removing the rhizome, which effectively ends the life of that growth point for that plant. If you want to minimize harm and be mindful of ahimsa, consider these points:

• If you must harvest ginger, avoid needless damage: try to take only what you need and leave enough of the plant’s structure so the remaining part can sprout again, if possible.
• Ginger can regrow from portions of rhizomes that are left in the soil or replanted pieces. If you wish to minimize harm to living beings, leaving some rhizome behind to regenerate is preferable to a complete uproot.
• In practice, many Jains prefer to avoid uprooting plants entirely when possible and to use and grow plants in ways that reduce harm. For culinary needs, some opt for commercially cultivated ginger rather than collecting from wild patches, to separate the hermeneutics of everyday consumption from forested or garden disturbances.
• There is no strict sectarian difference between Digambar and Shwetambar on this specific matter; both prioritize non-violence to living beings, including plant life, and interpret ahimsa with emphasis on minimizing harm.

If you’d like, I can share a brief, faithful articulation of the Jain principle of ahimsa toward plants and how it applies to common kitchen plants like ginger, in a simple, shopper-friendly way.