Do Four Oclocks Kill Japanese Beetles. Sep 21 2017 Four OClock. Nov 07 2014 Some of these plants have the added benefit of being poisonous to the Japanese beetle.
Four OClocks should be used for population control. Aug 06 2020 In this experiment a four oclock leaf was put in a cage with a starving Japanese beetle. I didnt learn of this until later in the growing season this year so I bought some seeds and started some.
The four oclock also called marvel-of-Peru Mirabilis jalapa has been reported by some gardening sites and blogs to not only halt the beetles garden invasion but kill them in the process.
Just be aware that what is poisonous to the Japanese beetle is harmful to people and animals as well. Aug 06 2020 In this experiment a four oclock leaf was put in a cage with a starving Japanese beetle. This flower is sometimes called marvel of Peru Mirabilis jalapa. They took a long time to germinate almost a month and only two did germinate.