Blackberry plants are a delightful addition to any garden, offering succulent berries that burst with flavor. However, these luscious fruits can become the target of various pests, threatening your harvest and the health of your blackberry bushes. While chemical pesticides often combat these intruders, many seek natural and organic alternatives to protect their blackberries and the environment.

In this guide, we will explore the world of blackberry pests, identify common culprits, and introduce you to natural and organic treatments that can help you safeguard your blackberry crop without resorting to harmful chemicals.
How to Control Blackberry Pests Naturally
Blackberry Pests: Identifying the Most Common Pests and Their Impact on Your Crop
Japanese Beetles (Popillia japonica)
- Identification: Metallic greenish-blue body with copper-brown wing covers. They’re about 1/2 inch long.
- Damage: They feed on the leaves, causing skeletonized foliage, and can also damage the fruit.
Brown Marmorated Stink Bugs (Halyomorpha halys)
- Identification: Shield-shaped insects with mottled brownish-gray coloration and distinctive white bands on their antennae.
- Damage: They pierce the fruit and suck out the juices, causing dimpling and discoloration.
Red-necked Cane Borer (Agrilus ruficollis)
- Identification: Small, metallic greenish-black beetles.
- Damage: Larvae bore into the canes, causing wilting and dieback.
Leafrollers (Various species)
- Identification: Caterpillars that roll themselves up in leaves for protection.
- Damage: They feed on leaves, causing holes and distorted growth.
Spider Mites (Tetranychus spp.)
- Identification: Tiny, often red or yellow, spider-like pests.
- Damage: They suck sap from the leaves, causing yellowing, stippling, and webbing.
Aphids (Various species)
- Identification: Small, soft-bodied insects that can be green, black, yellow, or brown.
- Damage: They feed on the sap, causing distorted growth, yellowing, and the growth of sooty mold.
Thrips (Various species)
- Identification: Tiny, slender insects, often with fringed wings.
- Damage: They feed on leaves and fruit, causing distortion, discoloration, and stippling.