What is the amounts of nitrogen, phosphours and potassium?

It's 35-0-10 and in response to someone else; it's not gonna kill bermuda lawns using it over time :-/ . Been using this stuff since the 90's no issues. What kills lawns using fertilizer is when you keep using and using and using. Use it right the first time no issues will come.

May I apply it now (today is June 1, 2015)?

If you apply this fertilizer that contain 34-0-10 then the nitrogen will stimulate top growth which is not what you want in the winter time due to freezing weather. It's better to apply like 10-2-7 in winter. That way the roots are stimulated and not top growth.

Is it safe to apply this fall lawn food to newly sprouted grass seed? The grass is about 2 weeks old.

Avoid fertilizing any newly seeded lawn until after the 4th mowing. Scotts offers a fertilizer for newly seeded lawns that is safe to apply and recommended.

Will this work well in September in zone 9b, lower foothills of California central valley?

Daniel, thank you for your interest in Scotts Turf Builder WinterGuard Fall Lawn Food. This product may be applied at any time during the growing season, although it is especially beneficial in the fall as a "last feeding" because of the high potassium content. This will work well in September in the lower foothills of California central valley as you described. Feel free to call us at 877-465-5160 and we're happy to send you a sample lawn care schedule for your region and grass type.

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Scotts Turf Builder WinterGuard Fall Lawn Fertilizer for All Grass Types, 4,000 sq. ft, 10 lbs.

Scotts Turf Builder WinterGuard Fall Lawn Fertilizer for All Grass Types, 4,000 sq. ft, 10 lbs.

Product ID: 661400888

Details

Brand
Scotts
Item form
Granules
Item weight
0.5 Pounds
Manufacturer
The Scotts LLC
Specific uses for product
Lawn

🌱Builds deep, strong roots

🍂Optimized for fall application

📏Covers 4,000 sq. ft. per bag

HK$926

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Description

🍃 Feed smart this fall, flaunt a flawless lawn next spring!

ROOT REVIVAL POWER - Strengthens grass roots to bounce back stronger next spring
EFFORTLESS APPLICATION - Works on wet or dry lawns with easy spreader settings for precision
SEASONAL SMART FEEDING - Formulated specifically for fall to repair summer damage and prep for winter
BROAD SPECTRUM COVERAGE - One 10 lb. bag nourishes up to 4,000 sq. ft. of any grass type
PROVEN LAWN TRANSFORMATION - Trusted by thousands with a 4.6-star rating for lush, vibrant results

Scotts Turf Builder WinterGuard Fall Lawn Fertilizer is a 10 lb. granular formula designed to nourish all grass types over 4,000 sq. ft. Applied in fall, it strengthens roots and repairs summer damage, ensuring a healthier, thicker lawn come spring. Easy to use on wet or dry lawns, it’s a trusted choice with a 4.6-star rating from over 900 reviews.

Specifications

ASIN	B0BGMM1FZV
Brand Name	Scotts
Coverage	4000 m²
Customer Reviews	4.6 4.6 out of 5 stars (913)
Item Form	Granules
Item Type Name	Scotts Turf Builder WinterGuard Fall Lawn Fertilizer for All Grass Types, 4,000 sq. ft, 10 lbs.
Item Weight	0.5 Pounds
Manufacturer	The Scotts Company LLC
Mixing Ratio	1:1:1
Model Number	Scotts - 22342
Number of Items	1
Part Number	22342
Specific Uses For Product	Lawn Fertilizer
Target Species	lawn grasses
UPC	032247005982
Unit Count	4535.9237 Grams

Reviews

Q**R

Always good results

A typical quality Scotts fertilizer

4.05.2026

K**K

A Must-Have for a Lush Lawn!

I can't say enough good things about Scotts Turf Builder WinterGuard Fall Lawn Fertilizer. After using it for the first time last fall, my lawn came back in the spring looking healthier and greener than ever before. This stuff really works to nourish the grass roots and prepare them for the harsh winter months. It was easy to spread and the coverage area was perfect for my yard size. My lawn looks incredibly thick and vibrant, and I'm convinced this is the reason. If you want a beautiful lawn next spring, this is the fertilizer you need to put down in the fall.

10.09.2025

D**N

Fall for the Guard!!

Great Scott's product.

19.07.2026

J**S

Helped stabilize my fresh lawn over the cold months

This stuff obviously worked for my freshly grown lawn that only gets a few hours of sun a day.

26.05.2026

S**O

Greenest Lawn on the Block

Provides a nice green color when soaks into ground. A bag covers my front and back lawns. Best lawn on the block. Good value and easier to have delivered to my door. Saves having to carry myself from store. Scott is a great product and use all their fertilizers.

15.02.2026

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HK$926

Duties & taxes included

In stock

Sold byAmazon Hong KongDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Hong Kong.

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