Vinca Plant Edible. Be absolutely sure you know exactly what you choose to consume. One is a perennial ground cover for shade and the other is a mounding annual for sun.
Some of the more commonly seen pests on annual vinca plants include aphids spider mites scale and whitefliesGenerally most of these pests can be controlled with beneficial insects that feed on them or with the use of insecticidal soap or neem oil. Apr 08 2019 Vinca Insect Pests. Madagascar periwinkle can cause side effects such as nausea vomiting hair loss hearing loss dizziness bleeding nerve problems seizures liver damage low blood sugar and even death.
Light sandy medium loamy and heavy clay soils and can grow in heavy clay soil.
Hellebores contain glycosides variously named helleborin e helleborein e and helleborigenin e. Some plants including flowers hinder the growth of vegetables. It is not complete by any means so just because you do not see it listed here do not assume it is safe to eat. Oleander Nerium Oleander 3.