Natural Japanese Beetle Solutions That Support Your Whole Landscape

Japanese beetles are one of the most common pest challenges across Colorado landscapes, often damaging roses, flowers, fruit trees, and ornamentals.

Our approach goes beyond a single treatment and focuses on building a stronger system.

At Edaphic Solutions, both Beetle Brew and Guard’n Brew are enhanced versions of our seasonal compost teas. They are designed to support soil biology, strengthen plants, and help reduce pest pressure naturally over time.

This is not a one product fix.
It is a seasonal system that works with your landscape.

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Healthy Soil,
Stronger Plants,
Less Pest Pressure

Japanese beetles may be the most visible pest, but they are not the only ones affecting your landscape.
  • Support soil biology
  • Strengthen plant health
  • Help reduce pressure from both soil and leaf feeding pests
Each blend is adapted to a different stage of the season.
Beetle Brew

Soil Focused Support for Grubs and Root Feeding Pests

Beetle Brew is our enhanced compost tea designed for spring and fall applications, targeting the soil stage of pest cycles while building long term soil health.

This is where we work below ground, before pest pressure becomes visible.
It works by supporting both biological pest suppression and long term soil health.

This biologically active blend combines:

Beneficial nematodes (Steinernema feltiae and Heterorhabditis bacteriophora)
that seek out and infect grubs
Milky spore powder for long term Japanese beetle suppression after successful establishment
A diverse microbial base that supports soil life and plant resilience
We recommend two applications per year, especially if you are just getting started, to help reduce future beetle populations before they emerge.

What It Helps With

Primary Pest
Targets
Japanese beetle grubs
Lawn grubs (masked chafers)
Vine & root weevils
Billbugs
Other scarab beetle larvae
Additional Soil Pest Pressure Support
Cutworms & armyworms
Asparagus beetles
Carrot weevils
Iris & tree borers
Fungus gnats (in dense or greenhouse soils)

These pests often go unnoticed while feeding below ground.
Beetle Brew works at this stage, before damage becomes visible above ground.

Safe For Use Around
Vegetable Gardens & Fruit Trees, Pets, Children & Livestock, Pollinators & Wildlife
Guard’n Brew

Summer Support for
Active Feeding Pests

Guard’n Brew is our summer enhanced compost tea designed for periods of active pest pressure, when insects are feeding on leaves, flowers, and ornamentals.

It pairs Beauveria bassiana, a naturally occurring beneficial fungus, with a diverse compost tea base to support plant health and leaf surface biology during the growing season.

What It Helps With

Primary Pest
Targets
Adult Japanese beetles
Grasshoppers
Tussock moths & other caterpillars
Secondary Pest
Pressure Support
Aphids
Thrips
Flea beetles

Guard’n Brew works best as part of a seasonal approach, supporting plants during peak feeding periods while soil biology continues to build below.

Stronger Together

Pest pressure happens in stages.
That is why we recommend a seasonal approach:
  • Spring and Fall: Beetle Brew to target soil stage pests
  • Summer: Guard’n Brew to support plants during active feeding
  • Ongoing: Compost tea to build soil health
This creates a more resilient and balanced landscape over time.

Grubs develop in the soil

Adults emerge & feed above ground

Spoil your Soil with Beetle Brew
Spoil your Soil with Beetle Brew
Spoil your Soil with Beetle Brew
Spoil your Soil with Beetle Brew
Spoil your Soil with Beetle Brew

Understanding the Japanese Beetle Lifecycle

Japanese beetles move through different stages throughout the year, and each stage impacts your landscape in a different way.

If you only address one stage, the cycle continues.

Our approach is designed to work across the full lifecycle, supporting both the soil and the plant at the right time.

Spring
(Reactivation)
Grubs become active again as soil warms and move closer to the surface
Early - Mid Summer (Adults)
Beetles emerge and feed on leaves, flowers, and fruit
Mid Summer
(Eggs)
Adult beetles lay eggs in the soil
Late Summer - Winter (Grubs)
Grubs feed on roots below ground and continue developing
Cycle
Repeats
New beetles emerge the following season
If you only treat one stage, the cycle continues.
Beetle Brew helps reduce future populations in the soil
Guard’n Brew supports plants during active feeding
Compost tea strengthens the system overall
Spring is one of the most important times to act, as grubs are active and closer to the soil surface. Complete treatment for full lifecycle support
Spoil your Soil with Guard’n Brew
Spoil your Soil with Guard’n Brew
Spoil your Soil with Guard’n Brew
Spoil your Soil with Guard’n Brew
Spoil your Soil with Guard’n Brew

Deep Root Injections for Trees

Target the Root Zone Directly
We offer deep root injections of both Beetle Brew and Guard’n Brew.
$50 per tree
This delivers biology directly into the root zone where it can:
  • support tree health and recovery
  • improve nutrient and water uptake
  • help trees respond to pest pressure
  • strengthen overall plant resilience
This is especially valuable for trees experiencing stress or recurring pest issues.

Pricing

Beetle Brew
$6 /gal
Includes application
Guard’n Brew
$6 /gal
Includes application
Coverage
100 sq. ft.
per gallon
Minimum Order
25 gal
per visit
Deep Root Injection
$55
per tree
Most properties require between 25 and 100 gallons depending on size and coverage needs.
Who This Is For
This service is a good fit if:
You deal with Japanese beetles each summer
Your plants are being damaged by pests
You want a natural approach without chemicals
You care about soil health and long term results
You want to address both current & future pest pressure
Why This Approach Works
We are not trying to eliminate nature from your landscape. We are working to build a healthier system where:
Soil biology is active and thriving
Plants are stronger and more resilient
Pest pressure is reduced naturally over time
This is a long term approach that supports healthier landscapes season after season.

Frequently Asked Questions

Do I need both Beetle Brew and Guard’n Brew?

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When is the best time to start?

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How many applications do I need?

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Is this safe for pets, kids, and edible gardens?

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How much product does my property need?

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Will this eliminate pests completely?

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Is this safe for pollinators like bees and butterflies?

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