Mark Marino

216 posts
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Hi, I'm Mark Marino – founder and creator of Lawn Phix. I have been an avid lawn care DIY'er since 2013. After years and countless hours of hands-on experience perfecting my lawn(s), my Lawn Phix guides, calculators, and blogs now help hundreds of people get the greenest grass on their blocks. I studied at UMass Extension Pesticide Education and am (Lawn Phix Inc.) now a fully insured and licensed pesticide applicator in Massachusetts, offering complete turf nutrition, lawn fertilization, and weed and pest control services. License # AL-0053865
Black dragonfly

Why are there so many dragonflies in my yard?

Dragonflies are some of the most fascinating insects in the United States. Despite their ferocious name and brightly colored exoskeletons, these flying insects are far less dangerous than you may first believe. But what happens when dragonflies show up around your property in massive numbers? The sound of beating dragonfly […]


Red Thread Fungus & Lawn Disease (How to Treat Laetisaria Fuciformis)

How to get rid of Red Thread Lawn Disease Generally occurring during humid periods of spring and fall, red thread fungus disease can leave your lawn looking blighted with irregular shapes of pink patch. Once grass blades affected by the fungus die, they fade to a dull, bleached-out tan hue. […]


How to get rid of chiggers in your yard

Chiggers are unsavory skin-eating pests that can ruin any outdoor activity. Apart from their itchy bites and unsavory appearances, these arachnids are also known to transmit disease. Thankfully, chiggers aren’t impossible pests to remove from your lawn or garden. You can get rid of chiggers and their larvae with a […]

Flowzone-typhoon-2. 54-backpack-sprayer-1

Flowzone Typhoon 2.5 Review (4 Gallon Backpack Sprayer)

Flowzone is a top lawn care equipment manufacturer brand known for its high-quality backpack sprayers. I’ve been fortunate enough to use Flowzone Typhoon 2.5 backpack sprayer for my lawn nutrition and weed control business for the last several months, and I can’t say enough good things about it. This has […]


Prodiamine Vs. Tenacity Herbicide – What’s The Difference?

If your lawn is lush and green and free from grass weeds and broadleaf weeds, you might not need to worry much about pre and post-emergent herbicides. However, if crabgrass, dandelion weeds, white clover, and creeping jenny have plagued your lawn before, there’s a good chance you need to prepare […]

Petra tools 28-0-0 liquid nitrogen

Urea vs Ammonium Sulfate: Nitrogen Fertilizers for Lawns & Turfgrass

Both urea and ammonium sulfate can give your lawn a fertilizing boost and are good alternatives to ammonium nitrate, which may be more difficult to procure and more costly. Each of these is a nitrogen fertilizer, but which one is better for your lawn? Considering the cost of nitrogen fertilizers, […]

Liquid yucca extract

Yucca Extract for Lawns: Everything You Need to Know

Yucca is a flowering plant that grows in the desert and is native to the American Southwest and Mexico. The yucca plant works as a biostimulant and natural surfactant when applied to lawns. Not only can yucca extract support a healthy lawn, it can promote soil health too. Agricultural experts […]

Soluble sea kelp for lawns

Sea Kelp for Lawns: Biostimulants Benefits Backed by Research

Frequently referred to as a superfood, seaweed does offer a myriad of nutrients for people, so perhaps it should be surprising that seaweed, sea kelp in particular, is also a great natural fertilizer for your lawn and flowering plants. Sea kelp is the largest subgroup of seawood, which includes many […]

Kelp4less aeration + yucca closeup

Humic Acid for Lawns – A Guide & Benefits to Humics in Your Yard

Generally referred to as soil conditioner, humic acid is primarily made from decayed organic material that’s rich in nutrients. The primary reason that gardeners add humic acid to their lawn soil is to improve nutrient intake; humic acids, with their beneficial soil microbes, make it easier for grass roots to […]


How Long Does it Take for Quinclorac to Work & Kill Weeds?

Quinclorac is an effective selective herbicide to control any crabgrass problems. This weed killer is popular among many homeowners and most lawn care professionals as it kills a broad spectrum of grassy weeds and broadleaf weeds. It can also be mixed with other 2-way and 3-way herbicides that contain 2,4-D, […]

Crabgrass and weeds in lawn one week before applying drive xlr8

Crabgrass vs Bermuda Grass (Difference & Similarities)

The chief difference between crabgrass (or crab grass as it’s sometimes called) and Bermuda is that some property owners actually choose to cultivate Bermuda grass as their lawn, while nobody wants crabgrass. On the other hand, many people want to keep common Bermuda grass out of their lawns because of […]