Ornamental IPM – Blight and pest alerts – next IPM Session 5/13/25

  1. Serious potential for Boxwood Blight
  2. Bronze Birch Borer (BBB) approaching adult emergence
  3. Clearwing Borer adult flight – time to monitor
  4. Red-headed flea beetle (RHFB) egg hatch – adult emergence soon
  5. Oomycete material considerations
  6. (click the ‘Read More’ below for complete dates in S-C-Northern NJ per pest)

Still time to Sign up for the 2025 – Rutgers Ornamental IPM Program

(Join us for the next Session Tuesday 5/13/25)

Note we have Clearwing borer lures and wing or delta traps, scale crawler tape, and yellow sticky cards available to commercial grower program members at our Cumberland (twaller@njaes.rutgers.edu) and Monmouth (william.errickson@njaes.rutgers.edu) RCE offices.

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Ornamental IPM 4/22 Recording Upload – Next session Tuesday 5/13

Sign up here for the NEW 2025 – Rutgers Ornamental IPM Program

Ornamental IPM – next session is Tuesday 5/13/25 

 

Click here for a PDF of April 22, 2025 webinar that can be printed and used as a field guide or similar

Click here for a VIDEO recording of April 22, 2025 webinar

 

5/13/25 sessions topics: 

Conifer Issues:

  • Pine needle scale
  • Cryptomeria scale
  • Elongate hemlock scale
  • Oystershell scale
  • Needle cast diseases
  • Red headed pine sawfly
  • Hemlock woolly adelgid
  • Phytophthora in conifers

Ornamental nursery:

  • Boxwood mites
  • Boxwood psyllid
  • Horned and gouty oak galls
  • Hawthorn lace bug
  • Pythium in nurseries

IPM monitoring:

  • Scale monitoring with double sided tape

2025 Registration includes:

The focus of this program is to provide timely updates on pest, disease, and weeds impacting commercial ornamental producers. The webinars will focus on the most important pests for a 2 week interval, will be recorded, and will be shared shortly thereafter with Spanish overdub (spoken word). The trap packages are in an effort to find grower led solutions for monitoring economically important pests throughout the multiple regions of New Jersey. Please consider joining this program for its inaugural year.

  • Site visit to your ornamental nursery/farm from Rutgers agents
  • Delivered printed IPM resources (Guides, factsheets, bulletins)
  • Free pheromone & sticky trap kit + guidance on setup/monitoring
  • Access to live bi-weekly webinars (Zoom)
  • Every Second and Fourth, Tuesday, April through September
  • Webinars will be recorded – posted later with Spanish overdub

This program is free, however registration is required.

click here to Register

(Next webinar Tu 4/22 at 12PM)

Ornamental IPM 4/8 Recording Upload – Next session Tuesday 4/22

Ornamental IPM – next session is Tuesday 4/22/25 

Sign up here for the NEW 2025 – Rutgers Ornamental IPM Program.

 

Click here for a PDF of April 08, 2025 webinar that can be printed and used as a field guide or similar

Click here for a VIDEO recording of April 08, 2025 webinar

Next sessions topic: 

  • Updates (GDD, Miticides, Ambrosia Beetle, Boxwood blight alerts) 
  • Boxwood leafminer
  • Holly leaf miner
  • Eastern tent caterpillars
  • Spongy moth
  • Evergreen lacebugs
  • Clearwing Borers (and trapping)
  • Red-headed flea beetle (adult pre-treatment)
  • Diseases: Fire Blight and Rusts

2025 Registration includes:

The focus of this program is to provide timely updates on pest, disease, and weeds impacting commercial ornamental producers. The webinars will focus on the most important pests for a 2 week interval, will be recorded, and will be shared shortly thereafter with Spanish overdub (spoken word). The trap packages are in an effort to find grower led solutions for monitoring economically important pests throughout the multiple regions of New Jersey. Please consider joining this program for its inaugural year.

  • Site visit to your ornamental nursery/farm from Rutgers agents
  • Delivered printed IPM resources (Guides, factsheets, bulletins)
  • Free pheromone & sticky trap kit + guidance on setup/monitoring
  • Access to live bi-weekly webinars (Zoom)
  • Every Second and Fourth, Tuesday, April through September
  • Webinars will be recorded – posted later with Spanish overdub

This program is free, however registration is required.

click here to Register

(Next webinar Tu 4/22 at 12PM)

Register for the NEW – 2025 Ornamental IPM Program PLUS Boxwood Blight, Pest emergence, Updates

Ornamental IPM 2025 v1 flyer

Please consider signing up for the NEW 2025 – Rutgers Ornamental IPM Program.

The focus of this program is to provide timely updates on pest, disease, and weeds impacting commercial ornamental producers. The webinars will focus on the most important pests for a 2 week interval, will be recorded, and will be shared shortly thereafter with Spanish overdub (spoken word). The trap packages are in an effort to find grower led solutions for monitoring economically important pests throughout the multiple regions of New Jersey. Please consider joining this program for its inaugural year.

Registration includes:

  • Site visit to your ornamental nursery/farm from Rutgers agents
  • Delivered printed IPM resources (Guides, factsheets, bulletins)
  • Free pheromone & sticky trap kit + guidance on setup/monitoring
  • Access to live bi-weekly webinars (Zoom)
  • (First session NEXT TUESDAY 4/8 @ 12PM)
  • Every Second and Fourth, Tuesday, April through September
  • Webinars will be recorded – posted later with Spanish overdub

This program is free, however registration is required.

click here to Register

Boxwood Blight Risk Assessment as of 3/4/2025
Region Location CODE 31-March 1-April 2-April 3-April 4-April 5-April
Southern Upper Deerfield NJ50 Very Low  Very Low  Very Low  Low Minor Risk Very Low 
Central Howell / Freehold NJ10 Minor Risk Very Low  Very Low  Low Minor Risk Very Low 
Northern Wantage NJ79 Low Very Low  Very Low  Low Risk Very Low 
M T W TH F S
 Please check YOUR LOCAL risk (click here)

Please download and print the Rutgers Nursery and Landscape Pest Scouting Guide  or  Conifer and Christmas Tree Pest Scouting Guide and refer to this post “Obtaining your local growing degree-days (GDD)” for additional information.  (See pest scouting guides for complete list of references) 

Please SHARE what you SEE!! If you see a pest, disease, otherwise interesting or troublesome issue please report it to the Working Group by following the QR Code on the front of the Pest Scouting Guides or by filling out this reporting form.

Keep reading for more resources!

 

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