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When should I treat for bagworms?

Answered for Noblesville, Hamilton County.

A routine annual problem on Indiana evergreen hedging. In Noblesville, two distinct age classes: large mature shade trees lining the Victorian-era streets of the historic core, and young, small-caliper subdivision stock throughout the post-2000 growth areas. Ash is effectively gone as a canopy species after EAB reached all 92 Indiana counties, and Noblesville's Urban Forester maintains both an approved and an "undesirable" species list for street trees, sorted into small/medium/large mature-size classes. An evergreen stripped by bagworms usually does not regrow those needles — arborvitae and spruce don't refoliate bare wood.

Noblesville's canopy and what's at risk

Two distinct age classes: large mature shade trees lining the Victorian-era streets of the historic core, and young, small-caliper subdivision stock throughout the post-2000 growth areas. Ash is effectively gone as a canopy species after EAB reached all 92 Indiana counties, and Noblesville's Urban Forester maintains both an approved and an "undesirable" species list for street trees, sorted into small/medium/large mature-size classes.

What to look for

Small spindle-shaped bags hanging from branches, made of the tree's own needles. Often mistaken for cones.

Whether the tree can be saved

An evergreen stripped by bagworms usually does not regrow those needles — arborvitae and spruce don't refoliate bare wood. Catching them early is the difference between a treatment and a replacement.

Timing in Hamilton County

Spray in June when the larvae are small. After midsummer the bags are sealed and spraying does nothing — at that point picking them off by hand is the only option that works.

Crews near Noblesville

Sorted by distance
Indy Lumberjack, photo 1 of 3

Indy Lumberjack

801 N 15th St, Noblesville, IN 46060

5.0105
  • Tree Removal
  • Tree Trimming
  • Stump Grinding
  • +2

Indy Lumberjacks did a fantastic job on removing our redbud tree. It was diseased and ready to fall. Dean Hudnall and his crew of Indy Lumberjacks…

Allen Sparenblek · 3 months ago · Google
Premier Tree Care, photo 1 of 3

Premier Tree Care

605 Sheridan Rd Unit 5303, Noblesville, IN 46060

4.616
  • Tree Removal
  • Tree Trimming
  • Stump Grinding
  • +2

Eric and his assistant were very efficient and effective in the lower branch pruning of my three Norway Spruce trees. Eric was very detailed in his…

Jim Eggleston · 10 months ago · Google
Green Tree Services, photo 1 of 3

Green Tree Services

8811 Saville Rd, Noblesville, IN 46060

4.976
  • Tree Removal
  • Tree Trimming
  • Stump Grinding
  • +1

I have used Green Tree Service for tree removal many times and each time they have far exceeded my expectations. Recently, a wind gust in our area…

Asad Rana · 3 months ago · Google
Affordable Tree and Crane Service, photo 1 of 3

Affordable Tree and Crane Service

14640 River Rd, Noblesville, IN 46062

4.436
  • Tree Removal
  • Tree Trimming
  • Stump Grinding
  • +3

Wow! I have had a lot of trees removed in my 82 years! These guys get it done and rather quickly. Their equipment is head spinning and jaw dropping…

George Roberto · 8 years ago · Google
Evergreen Tree Service & Landscape, photo 1 of 3Photo author: Lisa Ingram

Evergreen Tree Service & Landscape

13255 Parkside Dr Apt 102, Fishers, IN 46038

4.997
  • Tree Removal
  • Tree Trimming
  • Stump Grinding
  • +2

I cannot say enough good things about Carlos and his team at Evergreen Outdoors Tree Service & Landscaping. Carlos is very polite and professional…

Eric Potts · 4 years ago · Google
SavATree - Tree Service & Lawn Care, photo 1 of 3Photo author: Brian Alfred

SavATree - Tree Service & Lawn Care

4621 E 146th St, Carmel, IN 46033

4.8222
  • Tree Removal
  • Tree Trimming
  • Stump Grinding
  • +2

The entire staff is great to work with and, while they are a bit expensive, they do careful work and are extremely professional. In a previous…

David Morris · a month ago · Google

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