The parietaria (Parietaria) are flowering plants that produce small dry fruits called achenes. They are commonly cultivated as annual ornamentals in the United States, though some species are considered weeds. The pollen of these plants is released into the air in puffs, and spread to other plants by the wind.
Water:
Preferring shaded, moist environments, parietaria is moderately drought-tolerant yet thrives on consistent moisture, needing weekly watering. Often grown indoors, it benefits from controlled humidity and well-draining soil that resembles its loamy forest floor habitat.
Propagation:
Propagating parietaria involves seed sowing and cuttings. Key factors include sunlight, warmth, and well-draining soil, with careful watering. For cuttings: snip a healthy stem, apply rooting hormone, plant in moist soil, cover for humidity, then transplant once rooted.
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