Parietaria Judaica

Parietaria Judaica Parietaria Judaica

What is the plant

Parietaria judaica, with common names spreading pellitory or pellitory of the wall, is a species of herbaceous perennial plant in the family Urticaceae. The plant's pollen is highly allergenic. In Australia it is also known as asthma weed, due to the high incidence of allergy.

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Lighting

Shade

Hardiness zone

max 5

Toxicity

Poisonous

Sunlight
Sandy
Fertilizer
Fertilizer Typical Time to harvest
Soil
Heavy (clay) soils and prefers well-drained soil. Suitable pH: acid, neutral and basic

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Pruning
Deadhead before seeds develop to prevent unwanted spread.
Container
The whole plant is used for cleaning windows and copper containers
Additional
Pellitory is mildly toxic to humans, causing skin irritation when plant hairs cling to clothing, and allergic reactions through the pollen which is produced throughout the year but copiously in spring. Reactions include asthma, conjunctivitis, hay fever and severe skin irritation.
Popularity
60 people already have this plant 17 people have added this plant to their wishlists