February 8, 2017 by Jonathan Green 46 Comments
Peter Szewzek | March 4, 2017 at 3:00 pm
Brutally cold here in Jersey. Can’t wait for a weather break. This season I am making the switch from Scott’s lawn care products to Jonathan Green’s. I need to do some minor seeding of spots on the front lawn from where severe crabgrass took over during last year’s dry spell of 6 weeks .Can I use the Standard Wheel chart providing I keep the dead crabgrass spots not hit with Green Up? I’d like to reseed 2-4 weeks following application.
I’ll be purchasing at Williams’ Nursing here in Westfield. I know Jonathan Green’s location at the Jersey shore and through John Floden a now retired florist friend of mine. Thanks,Pete Szewzek.
Jonathan Green | March 6, 2017 at 10:57 am
Yes, if you keep the Green Up with Crabgrass Preventer away from the areas you are seeding, you should be fine. We suggest using Crabgrass Preventer plus New Seeding Fertilizer in the areas you will seed. It has a different chemical for crabgrass prevention (pre-emergent only) but will allow for grass seed germination.
Connie | March 8, 2017 at 1:25 pm
We live in NE Ohio and are going to dethatch our lawn in mid April and overseed. Do we put the crabgrass preventer plus new seedling lawn fertilizer right after that or can we do it before?
Can Magi-Cal be put down at any time?
Jonathan Green | March 8, 2017 at 2:52 pm
Apply Crabgrass Preventer plus New Seeding Fertilizer, Mag-I-Cal and seed all on the same day.
Ronn | March 18, 2017 at 4:24 pm
Is it too early to apply the Green Up with Crabgrass Preventer? I live just south of Washington, D.C.
Jonathan Green | March 20, 2017 at 12:21 pm
Crabgrass typically germinates when soil temperatures reach 62° at a depth of 1 or 2 inches. Crabgrass preventer should be applied when soil temperatures reach 50 to 55°. If you apply the herbicide too early in the spring, it may break down before the end of the germination cycle. This is not an exact date, but it is the best way to go as spring warmth varies year to year. Here is a link to check soil temperatures.
Noel Z. | March 26, 2017 at 10:51 pm
We’ve applied Green- Up Plus Crab Grass proventer and Magi- Cal, but dandelion are already popping up. Will they take over before we use Weed and Feed in May? We live in Indiana.
Jonathan Green | March 27, 2017 at 9:07 am
Dandelions do tend to pop up early. Lawn Weed Control is a granular herbicide, (it has no fertilizer), that can be used to treat post-emergent weeds. Apply to a damp lawn and let sit undisturbed for 48 hours when no rain is expected.
Vince McDermott | April 2, 2017 at 7:38 am
We are making the switch to Jonathan Green. We live in the lower Hudson Valley, zone 6. I understand it is best to apply the green up and crab grass preventer when the soil temp reaches 50. We are not there yet. What about the magical; can I apply now or should I also wait for the soil to warm up?
Jonathan Green | April 3, 2017 at 8:19 am
Mag-I-Cal can be applied now or on the same day as the Green Up with Crabgrass Preventer.
Dave Darrah | April 10, 2017 at 9:17 am
Can i apply crabgrass preventer plus new seedling lawn fertilizer with Grub control at the same time,or is there a step process to follow?
Jonathan Green | April 10, 2017 at 1:14 pm
It is too early to apply the Grub and Insect Control. To get the best results, apply the Grub and Insect Control in Mid July.
Mark Ebben | April 16, 2017 at 12:59 pm
Can I apply Mag-I-Cal after I have already applied Green-Up with crabgrass preventer? Bag of Mag-I-Cal was damaged during shipment and couldn’t put on because I didn’t get it in time. Also how do I know how much to apply?
Jonathan Green | April 17, 2017 at 8:35 am
Mag-I-Cal can be applied alone or with any other Jonathan Green product. Apply 3.2 lbs. per 1000 sq. ft. if your pH is in range. For low pH:
If your pH is below 7.0, apply Mag-I-Cal for lawns in acidic soil:
– If pH is 6.0 – 6.4, apply MAG-I-CAL once a year
– If pH is 5.6 – 5.9, apply MAG-I-CAL in the spring and fall
– If pH is 5.1 – 5.5, apply MAG-I-CAL every other month until pH is above 5.5, then follow above suggestion
– If pH is 5.0 or below, apply MAG-I-CAL at 1.5 times the regular rate for three consecutive months.
– Two weeks after the third application, test pH then adjust application schedule accordingly.
Matt Schulien | April 20, 2017 at 4:24 pm
Is it too late for me to get started with early spring application? I’m in IL near
the WI border. My lawn has its fair share of dandelions and crab grass and is growing irregularly. I’ve never put anything on the lawn before. Thanks for any help.
Jonathan Green | April 20, 2017 at 4:33 pm
No, it is not too late. Our Green Up with Crabgrass Preventer will kill crabgrass before and after germnation, up to the 3 leaf stage.
Treva Louise | April 23, 2017 at 1:03 pm
Hello, I live in the Atlanta area, planting zone 7b. Will your NAL system work in my zone? If so, would it make sense to jump in to the standard wheel now (Crabgrass Preventer and Mag-I-cal) for my existing fescue lawn which seems to be more than 50% taken over by all kinds of weeds. This lawn has not been fed or cared for the past few years other than mowing. I would like the soil to be best prepared for overseeding this fall. Please advise.
Jonathan Green | April 24, 2017 at 9:40 am
Our grass seed mixtures are cool season and probably would not survive it Atlanta heat. We do recommend having a soil analysis test done and contacting your local cooperative extension service for advice once you receive the results.
Susan B. | May 20, 2017 at 10:42 pm
Hi, I have a Tall Fescue lawn and will be overseeding in Sept/Oct. The Application Wheel 2 says to put out Jonathan Green Winter Survival on the same day. But shouldn’t I be putting out Jonathan New Seeding Starter fertilizer instead?
Jonathan Green | May 22, 2017 at 9:16 am
You can seed with either Winter Survival or Green Up for Seeding and Sodding. If you are seeding in mid-September, you can seed with Green Up for Seeding and Sodding and apply Winter Survival 6 weeks later.
Alexis | May 25, 2017 at 2:03 pm
I had sod put down 2 weeks ago …it is getting sufficient water from rain. The landscaper that laid the sod said to put grub killer in two weeks. Is this advisable? Also was mentioned is milky spore.Any advice what to do?
Jonathan Green | May 25, 2017 at 2:33 pm
Grub and Insect Control won’t effect the sod. If that is not the product you are using, please refer to the product label for directions. If it says it is ok to use when seeding, then it is also ok to use when laying sod.
Dave | May 27, 2017 at 5:50 am
I moved onto a new house and spot seeded the lawn in April. I did not apply the crab grass preventer, is it too late in the season to apply the crab grass preventer?
Jonathan Green | May 30, 2017 at 9:03 am
Our Crabgrass and Weed Preventer will kill crabgrass post germination, up to the 3 leaf stage. As long as your crabgrass either has not germinated yet or is undert the 3 leaf stage, you can apply it.
George Frongillo | May 30, 2017 at 12:03 pm
what will happen if you apply Green Up weed and feed broad leaf weed control on a freshly cut lawn?
Jonathan Green | May 30, 2017 at 12:21 pm
It may not work as well. Herbicide needs as much leaf blade as possible to ensure the plant absorbs the chemical.
Ed | June 2, 2017 at 3:49 pm
Back on April 2nd I applied Green-Up with Crabgrass Preventer at the 3.2lb/1,000 sq ft. rate. (live in South Jersey right outside Philly). Today is June 2nd and I was looking to lay down a second application of the Green-Up with Crabgrass Preventer this weekend. What application rate (3.2 lbs/1,000 sq ft or 4.0 lbs/1,000 sq. ft.) should I use to get my lawn through mid to end of September without any crabgrass issues? Currently my lawn does not have any crabgrass issues and does not show any signs of crabgrass.
Also, can Green-Up with Crabgrass Preventer be applied to a fresh cut lawn or is it best to wait a day before applying?
Jonathan Green | June 2, 2017 at 3:53 pm
Use the 3.2 lbs per 1000 sq. ft rate as it is your second application (and a wise one as crabgrass will be late this year due to the cool spring). It is best to wait a day or two after mowing and water in (or apply before a rain).
Ronald.firstname.lastname@example.org | June 5, 2017 at 4:34 pm
Back on May 9th I applied Weed & Feed with Green-Up at the 3.2lb/1,000 sq ft. rate. (live in the Town of Newburgh ). Today is June 5th and I still have the same Weeds as I saw before applying Weed & Feed with Green-Up.
My lawn currently has plenty of White Clovers ,Chickweeds and few other weeds. Is it to soon to reapply Weed & Feed or wait and see if they die.
Jonathan Green | June 6, 2017 at 9:09 am
It has been enough time for you to apply again but we suggest Lawn Weed Control instead. This is a granular herbicide only, it has no fertilizer. Too much fertilizer in the heat can cause fungal problems. Some weeds need more than one application of herbicide to kill them.
Jerry Fedorcik | June 10, 2017 at 11:55 am
What can I do about an infestation of clover in my yard ? Jerry. Rumson NJ Jerry
Jonathan Green | June 12, 2017 at 8:53 am
Clover will respond to Green Up Weed and Feed or Lawn Weed Control but it is very tough to kill. It will require more than one treatment.
Denise | June 12, 2017 at 6:50 pm
Does temperature have to be below 90 degrees to apply step 2 . I am afraid of burning grass
Jonathan Green | June 13, 2017 at 8:41 am
We recommend that the temperature not be above 85°for the entire 48 hour period that the herbicide will be sitting on the grass or lawn burn could occur.
Nancy Meacham | July 1, 2017 at 11:38 pm
I spend the winters in Florida. Can the early spring application be done in May instead of March/April? I live in the Annapolis, Maryland area.
Jonathan Green | July 3, 2017 at 8:31 am
Yes it can but the effectiveness of the crabgrass control will be weather dependent. If the crabgrass has not germinated or is smaller than 3 leaf stage, then you will be fine.
email@example.com | July 4, 2017 at 11:52 am
I live in the Chicago land area and have not done much with my lawn in the last few years except cut the lawn. I would like to start using your program now. It is already the beginning of July so what are the best products to start with and in the next few months.
Jonathan Green | July 10, 2017 at 9:38 am
Follow our product application wheel beginning with our Love Your Soil application. We also suggest having you soil pH tested. If it is low, apply Mag-I-Cal as well. Getting your soil in shape will help you have successful seeding in the fall.
new green thumb | July 6, 2017 at 8:35 pm
So here are my questions along with a slight concern..
I will admit I’m new to this product and have heard nothing but great things, so I’m on board and ready to go. I did however start to treat my lawn with another product 2 weeks ago and would like to know if I can start your program now or should I wait. I live in the mid-atlantic area and currently have tall fescue well established (Titian RX). I have applied the appropriate amount of milorganite to lawn 2 weeks ago, I went to a local store that carries your product and was told to buy a few bags, look on your site for more information along with what and how to apply. So I purchased Green Up Weed-Feed as instructed, but can I apply both Black Beauty Ultra and Love Your Soil after I aerate? Also I was told to apply Green-up in a few weeks (mid July) and wait 6 weeks before I aerate, seed and apply Love Your Soil, is this strong advise? Or do you have other recommendations?
Jonathan Green | July 10, 2017 at 9:44 am
Green Up Weed and Feed can be used if the weather cooperates. It should be applied to a wet lawn when the temperature is below 85° for the entire 48 hours that the product will need to sit on the lawn or lawn burn could occur. Water in well at the end of 48 hours. There should be at least 4 weeks between the application of this product and the planting of seed. 6 is probably better. We suggest aerating and seeding in the fall. You can apply Black Beauty Ultra, Green Up for Seeding and Sodding and Love Your Soil all on the same day. Alternatively, you can use Winter Survival as a seeding fertilizer.
Qaddafi Assaf | July 16, 2017 at 7:15 am
Hello …. I live in the North east side of New Jersey …
I’ve been using and buying Scott’s lawn care season program for the pass 14 years …. the results never impressed me and it was way costly …… Last year my lawn was really in poor shape so I decided to heavily over seed it ……so when I went to the local farm, the nice lady there recommended to use Jonathan green seed so I did
….. within 10 days my whole house was deep dark green … I was so happy …. its been a beauty since day one , so I start reading and searching about Jonathan’s green season program and watch all there videos and it made since….. this is my second year using there program and it’s amazing and a lot cheaper than Scott’s …..
I absolutely Love and recommend this product….
I tried to use the organic program this year in the spring and couldn’t not find the first application locally…
I just hope Jonathan Green will focus more on the organic side and one day to have nothing but organic products to make our world and our kids future 100% GREEN 🙂
God Bless 🙂
Jonathan Green | July 17, 2017 at 8:46 am
Thank you for your kind words. We introduced new packaging this year and our Organic Weed Preventer was a bit delayed. It will be readily available in the spring. We will continue to explore more organic products in the future.
paul guidice | July 26, 2017 at 8:41 am
After applying step 3 when can I water
Jonathan Green | July 26, 2017 at 1:38 pm
Water Summer Survival in immediately after application.
Mark Bell | September 7, 2017 at 11:32 pm
I started using your products late spring this year, and saw an immediate difference in the green-ness of the lawn. So, i am moving away from abut 8 years of commercial lawn care products. Your articles and guides got me researching other things as well. So, thank you for all you information and products.
I live in North Texas with alkaline soil, slightly above 8 Ph. I have Bermuda grass, and plan to keep it due to drought hardiness. What is the best time to de-thatch and overseed (with Bermuda seed) my lawn. I have been told Spring by some folks, and Fall by some others. Second, I assume i can use whatever season fertilizer product would apply (Spring or Fall), the seed, and Mag-i-cal all on the same day, but I want to make sure. Is that correct?
Jonathan Green | September 8, 2017 at 8:49 am
You can dethatch in either spring or fall as long as there are about 45 days of good growing conditions after you dethatch so the grass will recover without weeds taking over. This process is very hard on the lawn and it needs time to recover. The advantage of doing it in the fall is that you do not have to worry about a surprise frost. Yes, fertilizer, Mag-I-Cal (use the one for alkaline soil, blue bag) and seed can all be applied on the same day.
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