Sweetgrass is a perennial herb. Growing sweet grass in pots makes harvesting much more efficient. You can easily control the temperature, soil type and moisture etc.
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Sweet Grass is an aromatic, cool-season perennial growing 10-24 inches in height - and spreading about 2 feet per year by underground rhizomes.
Hierochloe odorata
How to Grow Sweetgrass - wikiHow
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