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Yard Mastery 7-0-20 Summer Stress Blend Fertilizer
Multi Purpose Lawn Fertilizer
The Yard Mastery team is excited to bring you custom fertilizer blends made just for DIYers. Stress Blend was actually the "breakout star" fertilizer of 2020. We released this blend last year by sending it out to several of our partners to try and the results were even greater than imagined. So much so that we publicly released it to our customers in smaller bags and got awesome feedback. Now we have it in 45lb bags that cover 15,000 sq ft.
Even to this day Allyn can't figure out why it delivers the results it does. It's great fert for sure, but the color pop that we see from it is beyond our expectations.
Maybe it's the amount of potassium releasing nutrients somehow, or maybe it's the 3% iron or both.
Surely it can't be the 7% nitrogen because all 7% is slow release so while that does bring some color at that low amount it shouldn't be producing the results it does.
Either way, this combination has greened up lawns from Bermuda to St Augustine and Zoysia and dozens of cool season lawns too.
It's also excellent for Centipede since you don't want to push it too much, you could use this almost year round on your Centipede lawn and be in good shape.
| Active Ingredient | % |
|---|
Available on Yard Mastery
Safe On
Click on a grass type below to see safe application rates:
Annual Ryegrass, Bahiagrass, Bentgrass, Bermudagrass, Buffalograss, Carpetgrass, Centipedegrass, Chewings Fescue, Colonial Bentgrass, Fine Fescue, Hard Fescue, Kentucky Bluegrass, Kikuyu Grass, Perennial Ryegrass, Red Fescue, St. Augustinegrass, Tall Fescue, and Zoysiagrass
Not Safe On
No not safe on treatments listed. Please, review the label or contact the merchant for more information.
Water Instructions
Be sure to water it in with at least 0.25" of irrigation or rainfall within 24-48 hours of application.
Fertilizer & Nutrient Analysis
Broadcast Application
per
Label Rate:
3 lbs per 1,000 sqft
Fertilizer NPK Ratio:
7 - 0 - 20
Label Rate Nutrient Analysis:
| Ingredient | % | Mass / Area |
|---|---|---|
| Nitrogen | 7% | 0.21 lbs / 1,000 sqft |
| Potassium | 20% | 0.6 lbs / 1,000 sqft |
| Magnesium | 2% | 0.06 lbs / 1,000 sqft |
| Copper | 0.1% | 0.003 lbs / 1,000 sqft |
| Iron | 3.1% | 0.09 lbs / 1,000 sqft |
| Manganese | 0.12% | 0.004 lbs / 1,000 sqft |
| Molybdate | 0.01% | 0.0003 lbs / 1,000 sqft |
| Zinc | 0.1% | 0.003 lbs / 1,000 sqft |
Label Rate Cost Effectiveness:
Covers 15000 square feet
at a cost of
$3.67 per 1,000 sqft
at a cost of
$3.67 per 1,000 sqft
Nutrient Mass:
Total Nutrient Cost Analysis:
| Ingredient | Total Mass | Cost / Mass |
|---|---|---|
| Nitrogen | 3.15 lbs | $17.46 / lb |
| Potassium | 9 lbs | $6.11 / lb |
| Magnesium | 0.9 lbs | $61.10 / lb |
| Copper | 0.04 lbs | $1222.00 / lb |
| Iron | 1.4 lbs | $39.42 / lb |
| Manganese | 0.05 lbs | $1018.33 / lb |
| Molybdate | 0.005 lbs | $12220.00 / lb |
| Zinc | 0.04 lbs | $1222.00 / lb |
CertainLabel™
Yard Mastery 7-0-20 Summer Stress Blend Optimized Application Label Rate Calculator
Legend:
Control
Suppression
No Control
Broadcast Treatment:
per
1
| Grass / Turf Types | Safe |
|---|---|
| Annual Ryegrass |
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| Bahiagrass |
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| Bentgrass |
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| Bermudagrass |
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| Buffalograss |
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| Carpetgrass |
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| Centipedegrass |
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| Chewings Fescue |
|
| Colonial Bentgrass |
|
| Fine Fescue |
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| Hard Fescue |
|
| Kentucky Bluegrass |
|
| Kikuyu Grass |
|
| Perennial Ryegrass |
|
| Red Fescue |
|
| St. Augustinegrass |
|
| Tall Fescue |
|
| Zoysiagrass |
|
1
Jump to
CertainLabel™ Yard Mastery 7-0-20 Summer Stress Blend Label Rates & Calculator
for
these 18 turf types
Broadcast Treatment
per
Label Rate:
3 lbs per 1,000 sqft
Cost Effectiveness:
Covers 15000 square feet
at a cost of
$3.67 per 1,000 sqft
at a cost of
$3.67 per 1,000 sqft
