Growli

Pest identification

What's eating my himalayan yew?

Taxus Mealybug (Dysmicoccus wistariae)

Signs: Waxy white clusters in stem joints and needle bases; sooty mold and weak growth

Control: Remove with rubbing alcohol or cotton swab; apply neem oil or insecticidal soap spray

Taxus Scale (Parthenolecanium pomeranicum)

Signs: Rounded brown bumps on bark; yellowing foliage and dieback on infested branches

Control: Dormant oil application in late winter; remove heavily infested branches

Deer / Livestock

Signs: Browsed foliage and bark stripping; yew is toxic to horses and cattle yet they still eat it if available

Control: Fencing is essential where livestock are present; this is a critical safety issue, not just a plant protection issue

Black Vine Weevil (Otiorhynchus sulcatus)

Signs: Notched leaf margins; larval root damage causes wilting and plant death

Control: Beneficial nematodes applied to moist soil late summer; sticky barriers on stems

Keep himalayan yew pest-free

Healthy plants resist pests best. Get the basics right:

Himalayan Yew pests — FAQ

What is eating my himalayan yew?

Himalayan Yew is attacked by taxus mealybug and scale insects on its stems and foliage. Deer and livestock pose a significant threat in garden and estate settings. Vine weevil larvae can damage roots. This slow-growing conifer is particularly vulnerable because damage accumulates before symptoms become obvious.

How do I get rid of taxus mealybug (dysmicoccus wistariae) on himalayan yew?

Waxy white clusters in stem joints and needle bases; sooty mold and weak growth Remove with rubbing alcohol or cotton swab; apply neem oil or insecticidal soap spray

How do I get rid of taxus scale (parthenolecanium pomeranicum) on himalayan yew?

Rounded brown bumps on bark; yellowing foliage and dieback on infested branches Dormant oil application in late winter; remove heavily infested branches

How do I get rid of deer / livestock on himalayan yew?

Browsed foliage and bark stripping; yew is toxic to horses and cattle yet they still eat it if available Fencing is essential where livestock are present; this is a critical safety issue, not just a plant protection issue

How do I get rid of black vine weevil (otiorhynchus sulcatus) on himalayan yew?

Notched leaf margins; larval root damage causes wilting and plant death Beneficial nematodes applied to moist soil late summer; sticky barriers on stems