4 Oclock Flowers Kill Japanese Beetles. These claims ardently allege that Japanese beetles are highly drawn to feed on four oclocks whereupon they die presumably because the. I read in a seed catalog that 400 flowers aka Marvel of Peru will attract Japanese beetles who will eat part of the plant and then because the plant is very toxic to them die.
Good trap plants are four oclocks poisonous larkspur poisonous castor bean poisonous borage marigolds light colored zinnias and white roses. Asked January 22 2017 111 PM EST. The flowers open in the late afternoon typically around 4 pm.
Or so and then remain open until the next morning.
These claims ardently allege that Japanese beetles are highly drawn to feed on four oclocks whereupon they die presumably because the. Four OClocks should be used for population control. These tuberous-rooted plants produce slightly pointed oval leaves on branching stems. Or so and then remain open until the next morning.