When using this product for control of grubs, does it also kill the earthworms?

no not in my lawn....I used it for Grubs and Mole Crickets, works great!

Should I use this product before seeding or after seeding or it doesn't matter?

Since it is a systemic insecticide it shouldn't effect seed germination at all. I would apply it at the same time you put seed down and water it in well. I don't know where you live but this product should provide protection for around three months.

No,it doesn’t as the label clearly states.

How do I spread this for lace bugs on azaleas? Some are small bushes. Others are 8 feet across of bushes growing close together.

Since this is a systemic insect control you would have to loosen the dirt beneath the bushes and then apply around the base of the plants. It will take some time for the plant to take this up into its system and kill the bugs. It is a bit late in the year for this treatment to be totally effective, you should be starting in the spring with this. Might I suggest a spray that will take them down now https://www.amazon.com/Bonide-Chemical-426-Garden-Insect/dp/B000OWC16U?source=ps-sl-shoppingads-lpcontext&ref_=fplfs&psc=1&smid=ATVPDKIKX0DER

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Bayer - Merit 0.5 Granular Systemic Insect Control - 30 Pound Bag

Bayer - Merit 0.5 Granular Systemic Insect Control - 30 Pound Bag

Product ID: 7496235

Details

Brand
Bayer
Item Form
Granules
Item Weight
30.1 Pounds
Specification Met
EPA
Target Species
Insects

⏳Up to 80 lb/acre yearly limit

🌿0.5% Imidacloprid systemic power

⚖️30 lb granular easy application

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฿14253

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Description

🌱 Protect your green kingdom with Bayer Merit — because your lawn deserves elite defense!

LONG LASTING IMPACT - Sustained insect control that keeps your lawn and plants thriving
TRUSTED BAYER QUALITY - EPA-approved, highly rated by professionals and homeowners alike
BROAD SPECTRUM CONTROL - Targets destructive pests like emerald ash borer & grubs effectively
SYSTEMIC INSECT DEFENSE - Penetrates turf, trees & shrubs for deep-rooted protection
PRECISION GRANULAR FORMULA - Easy, mess-free spreading by hand or seeder—no fuss, no waste

Bayer Merit 0.5 Granular is a 30-pound bag of EPA-approved systemic insecticide containing 0.5% Imidacloprid. Designed for use on turfgrass, trees, shrubs, and ornamental plants, it offers broad-spectrum control against pests like emerald ash borer and grubs. Easy to apply granular formula ensures precise, mess-free treatment with a maximum application rate of 80 pounds per acre annually, delivering long-lasting protection backed by Bayer’s trusted expertise.

Specifications

ASIN	B0053S5ATU
Best Sellers Rank	#38,723 in Patio, Lawn & Garden ( See Top 100 in Patio, Lawn & Garden ) #216 in Insect & Pest Repellent Spray Concentrates
Brand Name	Bayer
Customer Reviews	4.6 4.6 out of 5 stars (625)
Included Components	1 bag
Item Form	Granules
Item Weight	30.1 Pounds
Manufacturer	Backed by Bayer
Model Number	09090530
Part Number	9090530
Specification Met	EPA
Target Species	Insects
UPC	785740198124

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