When not helped along by gardeners, white horehound uses animals to disperse its seeds. Each seed has a small “hook” on it which snags the fur of passing animals, hitching a ride to a new location. The seeds get “planted” when the animal brushes against something or scratches itself, ...
Some plants flowered as early as 34 weeks after planting, while others started flowering at mid-August, September or not at all. We also found that 3% of the plants which induced flowering had faster and uniform seed set and seed ripening, while others developed slowly and only few seeds ...