An official website of the United States government.

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock ( ) or https:// means you've safely connected to the .gov website. Share sensitive information only on official, secure websites.

Boxwood Blight

Scientific Name

Calonectria pseudonaviculata (Crous, J.Z. Groenew. & C.F. Hill) L. Lombard, M.J. Wingf. & Crous. (Lombard et al. 2010)

Common Name

Boxwood blight, box blight, Buxus blight


Cylindrocladium pseudonaviculatum Crous, J.Z. Groenew. & C.F. Hill, 2002, Cylindrocladium buxicola Henricot 2002

Native To

First discovered in the United Kingdom (LeBlanc et al. 2018)

Date of U.S. Introduction
Means of Introduction

Unknown (LaMondia 2014)


Fungal disease of boxwood plants (Buxus spp.) (LeBlanc et al. 2018)

Boxwood Blight
Image use policy

Boxwood blight, early leaf symptoms


Photo by David Clement; University of Maryland

Find more images


Selected Resources

The section below contains highly relevant resources for this species, organized by source.

Council or Task Force
  • Virginia Boxwood Blight Task Force

    • Virginia Tech; Virginia State University. Virginia Cooperative Extension.

    • The Virginia Boxwood Blight Task Force provides leadership in safeguarding and protecting the ornamental horticulture industry, historical gardens, and landscape plantings from boxwood blight.

Federal Government
State and Local Government