Green-Up Fertilizer for Seeding & Sodding
Starting at
$9.99
- Fertilizer analysis: 12-18-8
- High phosphorus formula helps to develop deep, dense roots
- Apply the same day as seeding or sodding
- Contains humates to get new lawns off to a great start
- Feeds for up to 2 months
- Description
- Directions
- Specifications
- Spreader Settings
- Product Label
- Reviews (18)
Jonathan Green’s Green-Up Fertilizer for Seeding & Sodding has been specifically formulated to grow quicker and thicker grassroots which are essential for surviving the stresses of summer and winter. Our seeding and sodding fertilizer is rich in phosphorus which is a key component in root formation for the development of new seedlings. This product also contains humates which enhance the efficiency, availability and exchange of plant nutrients to and from the soil.
When to Apply:
- Apply the same day as seeding or sodding.
- Best time to apply is spring, late summer or early fall depending on region.
- Spread this product a day or two after mowing and when the lawn is dry.
Apply:
- Use a rotary or drop lawn spreader.
- Check that the spreader opening at the bottom of the hopper is closed.
- To select the proper spreader setting see the Spreader Settings section in the accordion below.
- Push the lever forward only when ready to spread.
- Apply fertilizer around the perimeter of the lawn to establish a turning area. Then run the spreader back and forth within the area outlined by your first perimeter application. Always allow an overlap to avoid gaps in coverage.
Post-Application:
- Sweep any excess granules off of hard surfaces and back onto the lawn.
- Thoroughly irrigate the treated area after application for best results. About 1 ½ inches of water per week is sufficient between rainfall and irrigation, but not to the point of run-off.
- Once watered, wait a day to mow the lawn allowing the product time to activate.
Coverage:
- 5 lb Bag – 1,500 sq. ft.
- 15 lb Bag – 5,000 sq. ft.
- 45 lb Bag – 15,000 sq. ft.
Analysis: 12-18-8
Can Be Used When Seeding: Yes
Apply to Dry or Damp Lawn: Dry
Safe for Children & Pets: Yes
Application Temperature Range: 55° – 80°F
When to Use: Spring, summer, or early fall
The spreader settings listed are approximate. Spreader condition, rate of walk, and humidity are just some of the variables that can affect the rate of application. Please refer to the product label link on this page, or the back of the bag, for further details along with application rates and precautionary statements. You may need to adjust settings for proper coverage if circumstances described on the label are applicable. In all cases, the user should read and follow label instructions before applying any product, and assumes all responsibility when using this spreader settings tool.
Click the button below to view and download a pdf of the product label.
Put seed down and this fertilizer together. Results were visible in 3 days on the existing lawn and stayed green for atleast 2 months.
Excellent N-P-K ratio (12-18-8) for prepping yard or seedbed for over seeding or turf installation. This does make a difference. Clean, efficient, and effective. Pricey, but worth it.
Excellent NPK ratio for young grass seeds and very quick greening. I generally use organic fertilizers; however, for clean and effective fertilizer for the home lawn this product is the best I have used so far. Pellets arrived intact, fresh, and ready to spread. Very little dust or residue. I will definitely buy and use again.
Meh. Didn’t see anything quite spectacular about this compared to less expensive iron supplements.
High quality product. Lawn maintenance.
Excellent stuff . Has a high iron content, and will stain concrete when hit by water .remove excess from concrete fast.
Great stuff, used with black beauty ultra seed from JG also
I have used Scott’s for years with great results vs. using commercial lawn care companies. This year I decided to try Love Your Soil, Green Up and the Ultra Seed blend instead of Scott’s. 7 days after applying I have the best looking spring lawn in the area. The results have been far superior to Scott’s. My neighbor used Scott’s on the same day and the results after one week are far superior using Jonathan Green products.
I did an Aerate – over seed project 2 weeks ago using all Jonathan Green products including Black Beauty seed, I-Cal, Love Your Lawn Love Your Soil and Jonathan Green Starter Fertilizer. I couldn’t be more thrilled! I had some patches that I did a quick patch job earlier this summer with a cheap patch kit. It had some sparse blades of grass, but they really looked sick and wouldn’t fill in.
One week after my project, these sparse areas filled right in, and they match the rest of my lawn. The new seed started germinating in less than a week. Everything has already filled in and looks very healthy. My lawn has NEVER looked this good no matter what I tried. I’m now a huge believer in Jonathan Green products!!!
Good easy to use product.
Pretty good.
as described, small bag of seeds arrived on time and well packaged .. Eager to see results as the on line recommendations are split good and bad and thought to try something different than the national Big Box brands..,
The product is a good product just be careful of the age of the seeds when ordering, I had two bags purchased the 2016 seed package is doing amazing as infill to my lawn, the grass is really doing well.
the older bag dated 2013 , in similar areas of my lawn , never took, no growth, (nothing).
Yes, very pleased with the results. Only one week and grass is coming up in places that I have tried to plant for 4 years. Quality product.
Repeatedly could not get grass to grow in shaded area. I used with shade grass and had the best germination I’ve ever had in very sterile ground.
I’d recommend using for this kind of issue!. (shade grass in weak top soil)
o.k
Great product. We used this as well as the shady nook grass seed. Worked amazingly well! We had spent years and lots of money getting seed at the local nursery, various name brands like scotts, that never worked. This came in and stayed in. Highly recommend it. Also nice that seed arrived had been tested recently. This stuff work fabulously! We still reseed in the spring and use this – works like a charm. Other products we had used had an annual grass that would die by fall – this comes back in. For year 2 we filled in some bare places with the remaining seed & fertilizer. Year one, our wooded backyard was all dirt. Can not say enough good things about this line of products.
perfect for starting a lawn
Worked good with dense shade seeds to increase germination.
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