Choose a planter that’s quite deep, as cilantro roots can be long. Something that’s about 12 inches deep should suffice, and choose something with drainage holes. As for room temperature ...

Adding sugar will not speed up root growth in cilantro stems. When propagating cilantro in water, stick to using plain tap ...

Simmer for 20 minutes, until the celery root is tender, then purée the soup with a handheld blender or food processor until smooth. Season to taste with salt and pepper. To make the cilantro oil ...