Cotoneaster (Cotoneaster pannosus)

Cotoneaster (Cotoneaster pannosus)

Hawaii Pacific Weed Risk Assessment: 11 High Risk

Regulatory Status: Hawaii Noxious Weed List

Prevention and Control Category: N/A


  • Multi-stemmed shrub with arching branches. Can grow up to 15′ tall. Flowers are white or pink with five petals. Oblong leaves are 0.5 in – 1 in long and are a green-grey color with fuzzy bottoms. Fruit are a dull red when ripe and contain 1-3 seeds.


  • Invades pasture lands  and native rain forests. Highly adaptable and germinates readily in shade.



  • Big Island and Maui: Cotoneaster is currently  known to be found on Hawai’i Island and Maui.


What you can do

If you see this species, call 643-PEST and/or visit


Look-alike Species: 

Firethorn (Pyracantha angustifolia)- This shrub species is also invasive. It has similar flowers and fruits, but is covered in thorns. 


For more information, see