Primrose Flower Diseases. These pests do make much damage to the plant. Department of Agriculture hardiness zones 4 through 8 despite pest problems.
02062021 Common PestsDiseases Evening primrose does not present a problem when planted outdoors in conditions exactly to your liking. 15102020 Common Pest and Diseases of Primrose Flowers. Otherwise you can expect to see various other traditional garden pests periodically including mealybugs spider mites and aphids.
Its no wonder then that primrose is grown so widely by gardeners in US.
If the plant is too wet grey mould Botrytis or root and stem rot may occur. Its no wonder then that primrose is grown so widely by gardeners in US. After all the flowering period falls on winter - spring. 10022021 Common Pests and Diseases.