Are Four Oclock Flowers Poisonous. Adding geraniums to protect the garden may seem like a good idea but a University of Kentucky study found that planting garden geranium Pelargonium. Mirabilis jalapa was cultivated by the Aztecs for medicinal and ornamental purposes.
Id feed the peas for sure possibly the melon plants if they are not mildewed. I have Mirabilis longiflora growing in a small front yard bed and it has long up to 8 inch tubular white flowers that are sweetly fragrant at night. Wild critters know not to ingest the roots and seeds of this plant because they are poisonous.
Dogs especially puppies often like to dig up and chew on the tubers.
Mirabilis in Latin means wonderful and Jalapa or Xalapa is the state capital of Veracruz in Mxico. The flowers usually open from late. Every day and remain open all night closing shortly after dawn. Most symptoms are limited to vomiting and diarrhea as well as topical skin irritation.