Lawn Care Learning Center
Expert guides on everything from soil testing to disease prevention. All free, no account required.
Grass Type
Topic
Soil & Testing
Soil Testing for Cool Season Lawns
Learn how to test your soil pH and nutrient levels for a healthier cool-season lawn. Get the right pH target and understand your soil test results.
3 min readCarbon & Biochar for Soil Health
Carbon and biochar are the foundation of healthy soil. Learn how HumiChar improves nutrient retention and supports beneficial microbes.
3 min readBermuda Soil Treatments (HUMICHAR)
How HumiChar biochar benefits bermuda lawns by improving soil structure, nutrient retention, and microbial activity in warm-season soils.
3 min readBermuda Lawn pH Guide
Bermuda performs best at pH 6.0-6.5. Learn how to test, when to lime, and how to lower pH if your soil is too alkaline.
3 min readAdding Organic Matter to Bermuda Lawns
Building organic matter in bermuda lawns through compost, topdressing, and soil amendments. Why organic matter matters for long-term soil health.
3 min readCentipede Soil pH — Keep It Acidic
Centipede needs acidic soil at pH 5.0-6.0 — lower than most grasses. Never lime centipede without a soil test. Learn when and how to adjust pH.
3 min readZoysia Soil pH Guide
Zoysia performs best at pH 6.0-6.5. Learn how to test, when to lime, and how to lower pH if your soil is too alkaline.
3 min readSt. Augustine Soil pH Guide
St. Augustine prefers pH 6.0-6.5 but tolerates up to 7.5. High pH causes iron chlorosis — yellow blades despite adequate fertilizer.
3 min readTall Fescue Soil pH Guide
Fescue tolerates a wider pH range than most grasses — 6.0 to 7.0. Less pH fussiness is one of fescue's low-maintenance advantages.
3 min readKentucky Bluegrass Soil pH Guide
KBG prefers pH 6.0-6.5 — a narrower range than fescue. Iron supplementation is popular for boosting KBG's signature blue-green color without adding nitrogen.
3 min readMowing
Mowing Cool Season Lawns
Mowing best practices for cool-season lawns. Rotary vs reel mowers, ideal heights, blade sharpening, and the 1/3 rule explained.
3 min readBermuda Mowing & Cutting Guide
Bermuda mowing guide covering ideal cutting heights for common and hybrid varieties, reel mower benefits, and the scalping technique.
3 min readCentipede Mowing Guide
Centipede mowing is simple: keep it at 1.5 to 2 inches, mow less often than bermuda, and never scalp. The low-maintenance mowing guide.
3 min readZoysia Mowing Guide
Zoysia mowing height, frequency, and the critical rule: never scalp. Slow recovery means every mowing mistake costs weeks.
3 min readSt. Augustine Mowing Guide
St. Augustine mows TALL — 3.5 to 4 inches for Floratam. Sharp blades are critical because ragged cuts invite gray leaf spot disease.
3 min readTall Fescue Mowing Guide
Mow fescue at 3.0-3.5 inches — taller than KBG. Raise to 4 inches during summer stress. Sharp blades and the one-third rule are non-negotiable.
3 min readKentucky Bluegrass Mowing Guide
Mow KBG at 2.5-3.5 inches — slightly lower than fescue. Reel mower enthusiasts can achieve sod-grade appearance at 1 inch or below.
3 min readFertilizing
Summer Spoon Feeding for Cool Season Grasses
The exception to the no-summer-fertilizer rule. Learn when and how to safely spoon-feed your cool-season lawn during summer stress.
3 min readCool Season Fertilizer Program
A complete fertilizer program for cool-season grasses using the 4-1-2 NPK ratio. Covers timing, rates, and product selection.
3 min readBermuda Fertilizer & NPK Guide
The complete bermuda fertilizer program with NPK ratios, application rates, and seasonal timing to maximize growth and color.
3 min readBermuda Organic Fertilizers
Organic fertilizer options for bermuda lawns. How to use milorganite, compost, and other organic sources alongside synthetic products.
3 min readBermuda Spray Supplements (Super Juice & GreenShocker)
Liquid spray supplements like Super Juice and GreenShocker for bermuda lawns. Fast-acting foliar feeds for color and micronutrient boosts.
3 min readCentipede Fertilizer Guide — Less Is More
Less is more with centipede fertilizer. Learn the minimal feeding program that keeps centipede healthy without triggering decline.
3 min readZoysia Fertilizer & NPK Guide
Zoysia needs 2-3 lbs of nitrogen per 1,000 sq ft per year — significantly less than bermuda. Over-fertilizing causes thatch buildup and disease pressure.
3 min readSt. Augustine Fertilizer Guide
St. Augustine nitrogen needs vary by region: 2-4 lbs/yr in north Florida, up to 6 lbs/yr in south Florida. Use a 2-1-1 NPK ratio — different from bermuda.
3 min readTall Fescue Fertilizer & NPK Guide
Fescue needs 2-3 lbs of nitrogen per year with the heaviest applications in fall. Zero nitrogen in summer — excess N fuels brown patch disease.
3 min readKentucky Bluegrass Fertilizer Guide
KBG needs 2-4 lbs of nitrogen per year — the most of any cool-season grass. Heavy fall feeding fuels rhizome growth and the dramatic fall recovery KBG is known for.
3 min readWatering & Irrigation
Watering Cool Season Lawns
How to water cool-season lawns without causing fungus or chlorosis. Deep and infrequent watering, measuring output, and drought strategies.
3 min readBermuda Watering Guide
How to water bermuda for deep roots and drought resistance. Covers frequency, amount, and why overwatering causes more problems than underwatering.
3 min readCentipede Watering Guide
Centipede's shallow roots need consistent moisture but not daily watering. Learn the right schedule to avoid drought stress and fungal disease.
3 min readZoysia Watering Guide
Zoysia needs about 1 inch of water per week from rain or irrigation. Deep, infrequent watering builds drought tolerance and reduces disease risk.
3 min readSt. Augustine Watering Guide
St. Augustine's shallow 12-inch roots make proper irrigation critical. Sandy Florida soils may need up to 2 inches per week.
3 min readTall Fescue Watering Guide
Fescue's 24-inch root system gives it excellent drought tolerance for a cool-season grass. Deep, infrequent watering maximizes this advantage.
3 min readKentucky Bluegrass Watering Guide
KBG needs 1.0-1.5 inches of water per week and has shallower roots than fescue. The key rule: either irrigate fully or let it go fully dormant — never half-water.
3 min readWeed Control
Pre-Emergent Program for Cool Season Lawns
A split pre-emergent program to prevent crabgrass and other weeds in cool-season lawns. Covers granular and liquid application timing.
3 min readWeed Control for Cool Season Lawns
Effective weed control strategies for cool-season lawns. Why liquid herbicides beat granular, plus safe products and temperature limits.
3 min readBermuda Spring Pre-Emergent Program
Spring pre-emergent strategy for bermuda lawns. Timing by soil temperature, product selection, and split application programs.
3 min readBermuda Fall Pre-Emergent
Fall pre-emergent for bermuda prevents winter annual weeds like Poa annua. Timing, products, and why skipping fall pre-emergent costs you in spring.
3 min readBermuda Weed Killing Guide
Post-emergent weed control for bermuda lawns. Safe herbicides, application timing, temperature limits, and targeting specific weed types.
3 min readCentipede Weed Control — Handle With Care
Weed control for centipede requires extra caution — many common herbicides damage centipede. Learn which products are safe and which to avoid.
3 min readZoysia Weed Control Guide
Zoysia's dense canopy is its best weed defense. Learn which herbicides are safe, when to spot-treat, and how to let the grass do the work.
3 min readZoysia Pre-Emergent Guide
Pre-emergent timing for zoysia lawns. Split applications before soil hits 55°F provide extended crabgrass protection through summer.
3 min readSt. Augustine Weed Control Guide
CRITICAL: St. Augustine is damaged by 2,4-D herbicides. Most Weed & Feed products contain 2,4-D and will harm your lawn. Use SA-safe alternatives only.
3 min readTall Fescue Weed Control Guide
Standard cool-season herbicides including 2,4-D are safe on fescue. Apply post-emergents when temps are below 85°F for best results.
3 min readTall Fescue Pre-Emergent Program
Split pre-emergent applications in spring, plus a fall app for Poa annua. The catch: coordinate with fall overseeding since pre-emergent blocks all seeds.
3 min readKentucky Bluegrass Weed Control
Standard broadleaf herbicides including 2,4-D are safe on KBG. Over time, KBG's rhizomes help crowd out weeds naturally — a healthy stand is the best defense.
3 min readKentucky Bluegrass Pre-Emergent Guide
Split spring pre-emergent before soil hits 55°F. If overseeding in fall, use Tenacity (mesotrione) — the only pre-emergent safe for KBG seedlings.
3 min readPest Management
Pest & Disease Management
Identify and treat common lawn pests including grubs and armyworms. Covers prevention schedules and recommended products.
3 min readBermuda Grubs & Grub Damage
How to detect, prevent, and treat white grub infestations in bermuda lawns. Covers preventative timing and curative products.
3 min readBermuda Fall Army Worms
Fall army worms can devastate bermuda overnight. Learn to identify them early, use the soap flush test, and choose the right insecticide.
3 min readCentipede Pest Guide — Ground Pearls & More
Ground pearls are centipede's worst enemy — and there is no chemical control. Learn about ground pearls, nematodes, and other centipede pests.
3 min readSt. Augustine Chinch Bug Control
Chinch bugs are the #1 pest threat to St. Augustine lawns. They can destroy entire lawns in weeks during hot, dry weather. Learn to identify and treat fast.
3 min readDisease & Fungus
Bermuda Fungus, Dead Spots & Discoloration
Identify and treat common bermuda fungal diseases including brown patch, dollar spot, and spring dead spot. Covers symptoms and fungicide options.
3 min readCentipede Decline — The #1 Killer
Centipede decline is caused by over-management, not neglect. Learn the five main causes and how to prevent this progressive lawn deterioration.
3 min readCentipede Disease Guide — Large Patch & More
Large patch is the primary disease threat for centipede. Learn to identify it, treat it, and prevent it with proper cultural practices.
3 min readCentipede Winter Kill & Cold Protection
Centipede is vulnerable to winter kill in zones 7b and north. Learn how cold damages centipede and what steps prevent winter loss.
3 min readZoysia Disease Management
Large Patch is the #1 disease threat to zoysia, striking in fall and spring when soil temps hit 60-75°F. Prevention with fungicide and thatch control is key.
3 min readSt. Augustine Disease Management
St. Augustine faces more disease pressure than most warm-season grasses. Large Patch, Take-All Root Rot, and gray leaf spot require different prevention strategies.
3 min readSt. Augustine Gray Leaf Spot
Gray leaf spot is the #1 summer disease for St. Augustine. Triggered by high nitrogen, humidity, and warm nights. Reduce N from June-August to prevent it.
3 min readSt. Augustine Decline (SAD Virus)
St. Augustine Decline (SAD) is a viral disease with no cure. Mottled yellow patterns on blades signal infection. The only fix is replacing with a resistant cultivar.
3 min readTall Fescue Disease Management
Brown patch is the #1 fescue disease, triggered by hot humid nights above 68°F combined with excess nitrogen. Prevention starts with your fertilizer program.
3 min readKentucky Bluegrass Disease Management
Summer patch is KBG's #1 disease threat, attacking roots when soil temps exceed 65°F. KBG is more disease-prone than fescue — preventive fungicide is worth the investment.
3 min readAeration & Dethatching
Lawn Aeration Guide
Core aeration relieves soil compaction and helps water and oxygen reach grass roots. Learn the right timing, equipment, and technique.
3 min readDethatching Cool Season Lawns
Excess thatch blocks water and nutrients from reaching soil. Learn when dethatching is needed and how to do it without damaging your lawn.
3 min readBermuda Clippings, Dethatching & Rolling
Bermuda produces thatch quickly. Learn when to dethatch, how to manage clippings, and whether lawn rolling helps or hurts your bermuda.
3 min readBermuda Lawn Leveling
How to level a bumpy bermuda lawn using sand topdressing. Covers material selection, application depth, and timing for best results.
3 min readBermuda Aeration Guide
When and how to core aerate bermuda grass. Timing, equipment, and how aeration pairs with overseeding, leveling, and topdressing.
3 min readCentipede Aeration & Dethatching
Centipede's shallow roots make aeration timing critical. Learn when to aerate, how to manage thatch, and why centipede needs a gentler approach.
3 min readZoysia Dethatching Guide
Thatch management is the #1 maintenance task for zoysia. Heavy thatch buildup leads to scalping, disease, and poor water penetration.
3 min readZoysia Aeration Guide
Core aeration relieves compaction and helps manage zoysia's heavy thatch layer. Timing is critical — aerate only during active growth.
3 min readSt. Augustine Dethatching Guide
St. Augustine is a moderate thatch producer. Dethatch only in late spring or summer using a bladed dethatcher — never prong-type on this stolons-only grass.
3 min readTall Fescue Aeration Guide
Core aerate fescue in early fall before overseeding. This combination is the most important annual maintenance task for any fescue lawn.
3 min readKentucky Bluegrass Aeration Guide
Core aeration is essential for KBG due to thatch buildup from its rhizomes. Aerate in early fall and pair with overseeding for maximum benefit.
3 min readOverseeding & Renovation
Seeding Cool Season Grasses
The complete guide to seeding cool-season grasses. Fall is best, but spring works too — learn rates, depth, watering, and starter fertilizer timing.
3 min readBermuda Seed, Sod & Establishment
Guide to establishing bermuda via seed, sod, or plugs. Covers the right time to plant, soil prep, and watering schedules for new bermuda.
3 min readCentipede Seeding & Sod Establishment
Centipede can be established from seed, sod, or plugs. Seed is affordable but slow — learn rates, timing, and the patient watering schedule.
3 min readSt. Augustine Establishment Guide
St. Augustine cannot be seeded — sod, plugs, or sprigs only. Proper installation and watering determine whether your new lawn thrives or dies in the first month.
3 min readTall Fescue Seeding Guide
Fall seeding is non-negotiable for fescue. September through mid-October is the window. Since fescue can't self-repair, annual overseeding keeps your lawn thick.
3 min readKentucky Bluegrass Seeding Guide
KBG germination takes 14-28 days — the slowest of any common grass. Fall seeding, consistent moisture, and extreme patience are required for success.
3 min readSeasonal Care
Winterizing Cool Season Lawns
How to prepare your cool-season lawn for winter. When winterizer fertilizer helps and when it's a waste of money.
3 min readBermuda Seasonal Stages
Understand bermuda's seasonal cycle from winter dormancy to summer surge. Know what to expect and what to do at each growth stage.
3 min readBermuda Kick Start Program (Late Winter/Early Spring)
The bermuda kick-start program for late winter and early spring. Pre-emergent timing, first fertilizer, and preparing for the growing season.
3 min readBermuda Spring Scalping
Spring scalping removes dead bermuda and allows sunlight to warm the soil. Learn how low to cut, when to scalp, and cleanup tips.
3 min readZoysia Seasonal Care Calendar
Zoysia's full seasonal calendar — from late dormancy break in spring through fall disease prevention. Zoysia greens up later and stays green longer than bermuda.
3 min readSt. Augustine Seasonal Care Calendar
St. Augustine's full seasonal calendar — from winter dormancy (or semi-green in south Florida) through fall disease prevention and chinch bug monitoring.
3 min readTall Fescue Seasonal Care Calendar
Fall is fescue's PEAK season — aerate, overseed, and fertilize. Summer is survival mode. Understanding this cycle is the key to a great fescue lawn.
3 min readKentucky Bluegrass Seasonal Care Calendar
KBG's dramatic seasonal cycle: summer dormancy is normal, fall recovery is spectacular, winter stays green, and spring growth surges. Learn to work with each phase.
3 min readLawn Basics
Bermuda Lawn Care Overview & Philosophy
Anyone can have a great bermuda lawn, even starting with 70% weeds. Learn the DIY philosophy and why professional-grade products make the difference.
3 min readBermuda Grass Fundamentals
Everything you need to know about bermuda grass: growth habits, sunlight needs, ideal pH, and the difference between common and hybrid varieties.
3 min readBermuda Sunlight Requirements
Bermuda needs 8 hours of full sun daily — no exceptions. Learn what to do about shaded areas and why fertilizer cannot fix shade problems.
3 min readHow Bermuda Grows
How bermuda spreads through rhizomes and stolons. Understanding nodes, runners, and why bermuda is the most aggressive grass in the US.
3 min readCentipede Grass Overview — The Lazy Man's Grass
Centipede grass is the lazy man's grass — minimal maintenance, low fertilizer needs, and a naturally laid-back growth habit. Learn the basics.
3 min readCentipede Grass Fundamentals
Core centipede facts: stolon-only spreading, shallow roots, apple-green color, and why it handles shade better than bermuda but hates traffic.
3 min readCentipede vs Bermuda, Zoysia, and St. Augustine
How centipede compares to bermuda, zoysia, and St. Augustine. Strengths, weaknesses, and which grass fits your yard and lifestyle.
3 min readZoysia Lawn Care Overview & Philosophy
Zoysia is the patience grass — slow to establish but dense, shade-tolerant, and low-maintenance once mature. The best warm-season option for partial shade.
3 min readZoysia Grass Fundamentals
Three zoysia species, stolons and rhizomes, 36-inch root depth, and the densest turf canopy of any warm-season grass. Know your zoysia before you manage it.
3 min readSt. Augustine Lawn Care Overview
St. Augustine is the shade king of warm-season grasses. Thick, carpet-like texture with the best shade tolerance of any warm-season option.
3 min readSt. Augustine Grass Fundamentals
Five cultivars, stolons-only spread, shallow 12-inch roots, and the widest blade of any common lawn grass. Know your St. Augustine before you manage it.
3 min readTall Fescue Lawn Care Overview
Tall fescue is the transition zone champion — deep roots, heat tolerance, and the easiest cool-season grass to maintain. The go-to for zones 5-7.
3 min readTall Fescue Grass Fundamentals
Tall fescue grows in clumps via tillers — no rhizomes, no stolons, no self-repair. Understanding this one fact shapes your entire fescue care strategy.
3 min readKentucky Bluegrass Overview
Kentucky bluegrass is the premium cool-season grass — beautiful blue-green color, self-repairing via rhizomes, and the gold standard for northern lawns.
3 min readKentucky Bluegrass Fundamentals
Kentucky bluegrass is the only common cool-season grass that spreads via rhizomes — underground runners that let it self-repair damaged areas.
3 min read