Will using the full contents of this around roots of a small to medium sized tree kill it? Tree thickness is side of a beercan or tuna can. thanks

It is not effective when applied to the ground. It binds to the soil and decomposes before the roots can absorb it. You have to cut the tree down, drill holes in the stump, then pour this into the holes. You may need to repeat after 24 hours. But eventually it will die. I have successfully done this on 2 trees larger than yours.

Is this effective and safe for weeds, thistle, dandelion in juniper horizontalis, i.e. h. Wiltoni?

I can says for sure that it is effective for common flower bed weeds, but I'm not sure of the types. This contains the same active ingredient as roundup - so if that product kills it, this one should too.

Wil this kill rough stalk bluegrass, without killing rest of the yard?

Like it says on the cover, it kills EVERYTHING!!! Grass, weeds, saplings......EVERYTHING!! You could probably try to spot treat, but I wouldn't recommend it. Try atrazine instead.

Can i use it in arizona weather during september and october?

You can use it anytime it just might work a bit more slowly the cooler it is.

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Compare-N-Save Concentrate Glyphosate Concentrate Grass & Weed Killer Herbicide, 32-Ounce

Product ID: 740774694

Details

Active Ingredients
glyphosate
Brand
Item form
Spray
Item weight
2.25 Pounds
Liquid volume
32 Fluid

⚡Visible results in 2-4 days

🌿Covers 25,000 sq ft

💧Rainproof in 2 hours

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17710 kr

Duties & taxes included

In stock

Sold byAmazon IcelandDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🌱 Kill weeds, not time—fast, fierce, and rainproof!

MASSIVE COVERAGE - Treat up to 25,000 sq ft with just one bottle—perfect for large yards or multiple projects.
FAST ACTING POWER - See stubborn weeds vanish in as little as 2 days—because your lawn deserves instant gratification.
CONCENTRATED EFFICIENCY - 41% glyphosate concentrate lets you mix up to 21 gallons of ready-to-use spray, maximizing value and minimizing waste.
TRUSTED BRAND RELIABILITY - Backed by 5,500+ reviews and a 4.4-star rating, join thousands of pros who trust Compare-N-Save.
WEATHER RESISTANT FORMULA - Rainproof within 2 hours, so unpredictable weather won’t slow your progress.

Compare-N-Save Concentrate Glyphosate Herbicide delivers a potent 41% glyphosate formula that covers up to 25,000 sq ft. Rainproof in just 2 hours and showing visible results within 2 to 4 days, this 32-ounce concentrate mixes into 21 gallons of ready-to-use spray, making it an efficient and reliable solution for professional-grade weed control.

Specifications

ASIN	B00ARKS23A
Active Ingredients	glyphosate
Brand Name	Compare-N-Save
Coverage	25000 square_feet
Customer Reviews	4.4 4.4 out of 5 stars (5,521)
Global Trade Identification Number	00737716753233
Included Components	…..
Item Form	Spray
Item Type Name	Compare-N-Save Concentrate Glyphosate Concentrate Grass & Weed Killer Herbicide, 32-Ounce
Item Weight	1.02 kg
Liquid Volume	32 Fluid Ounces
Manufacturer	Ragan & Massey Inc
Model Number	75323
Part Number	75323
UPC	737716753233
Unit Count	32.0 Grams

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