If you’ve spent more than a year in Iowa, you know the drill. The weather here doesn't just change; it has mood swings. One minute, we are looking at a drought, and the next, we are getting three inches of rain in an hour. Then winter hits, freezes everything solid, and thaws it out just fast enough to turn your backyard into soup.

All that water has to go somewhere. Unfortunately, for a lot of folks in our area, “somewhere” usually means right into the basement or washing halfway down the street, taking the topsoil with it.

We can’t tell you how many properties we’ve walked continuously where the homeowner thinks they are just dealing with a bit of mud. They see a wet spot that won’t dry out or a sidewalk that’s always gritty. But that’s not just mud. That is erosion. It’s your property value literally floating away.

The good news? You don't have to live with a yard that disappears every time it storms. Hardscaping is often seen as just the “pretty stuff” (the patios, the fire pits, the walkways). But when we design a project at Larkin Landscape & Design, we are using those elements as engineering tools. We are building a layout that locks your soil in place and tells the water exactly where to go.

Here is a look at how we actually do it, step by step, from the initial muddy boots consultation to the final walkthrough.

1. It Starts with “Reading” the Water

Before we even think about bringing in a skid loader or ordering pavers, we have to play detective. You cannot fight gravity, and you definitely cannot fight water. You have to work with them.

When we first step onto a property, we’re looking for the story the land is telling. Where is the water coming from? Is it dumping off the neighbor’s roof? Is there a natural swale running right through the planned patio area? In a lot of these newer suburbs, the grading is done fast and cheap, leaving you with slopes that channel water straight toward your foundation.

We look for the subtle “tells” that erosion is happening right under your nose:

Tree Roots Showing Off: If you see the tops of roots that used to be underground, that soil didn't just vanish; it washed away.
The “Rills”: After a storm, look for those tiny, carved-out channels in the dirt. Those are basically mini-rivers carrying your yard away.
Driveway Silt: If you have to sweep sand or dirt off your concrete after a rain, that sediment comes from your lawn.
The Mush Factor: Areas that stay squishy for days after the rain stops are a sign that the water has nowhere to go.

If we just plopped a patio down without fixing these issues, we’d basically be building a dam. The water would back up, undermine the base, and ruin the investment. We have to map the flow first.

2. Grading: The Heavy Lifting

Once we know the water's path, we usually have to move some dirt. This is where hardscape erosion control really begins. It’s not glamorous work, but it’s the most important part of the job.

Think of grading as sculpting the earth. On a steep slope, water picks up speed. The faster it moves, the more damage it does. We often have to terrace the slope, creating flat “steps” in the yard.

We cut into the high spots and fill the low spots to create level zones. This does two things: it slows the water down so it can't strip away soil, and it gives you usable space. A steep hill becomes a flat upper patio and a lower garden.

Even on flatter yards, we have to be precise. We aim for a subtle slope away from the house, usually about 2%. It’s enough to keep your basement dry, but not enough to feel like you’re walking on a ramp. We use laser levels for this because “eyeballing it” is how you end up with a flooded living room.

3. Retaining Walls Are More Than Just Stacked Stone

If you have a hilly yard, a retaining wall is your best friend. But there is a right way and a wrong way to build them.

In Central Iowa, we deal with heavy clay soil. Clay is tricky. When it gets wet, it gets heavy and expands. When it dries, it shrinks. That constant movement puts massive pressure on walls. That’s why you see so many DIY walls leaning over after a few winters.

To make sure our walls actually hold back the earth, we use some specific techniques:

The Lean: We build walls with a “batter”, a slight backward lean into the hill. It helps the wall push back against the soil pressure.
The “Burrito” Drain: Behind the wall, there’s a zone of clean gravel wrapped in fabric. This lets water drop down to a drain pipe instantly.
Relieving the Pressure: If water gets trapped behind a wall, the hydrostatic pressure can be strong enough to topple concrete. We make sure that water has an escape route so the wall doesn't have to fight it.

We build these things to last. We aren't just stacking blocks; we are building a fortress against slope failure.

4. Why We Love Permeable Pavers

Old-school thinking was that to stop erosion, you cover the dirt with concrete. The problem? Concrete acts like a slide. Water hits it, speeds up, and shoots off the edge, blasting out the grass or mulch next to it.

That is why we are big fans of permeable paver systems. These aren't just regular bricks with gaps. The magic is underneath. They sit on a deep bed of jagged rock, not sand.

When it rains, the water doesn't run off the patio; it runs through it. It disappears between the stones and hangs out in the rock base underneath until it can soak into the ground naturally.

This stops that “waterfall effect” at the edge of your hardscape. Plus, in the winter, you get less ice buildup because the melting snow has somewhere to go immediately. It’s a smarter way to pave.

5. The Plumbing of the Landscape

Sometimes, grading isn't enough. You need a dedicated system to move water from Point A to Point B without wrecking the yard.

We don't want to move the erosion problem to a different spot. To really prevent erosion with hardscaping, we have to manage the exit. We use a mix of tools to handle this:

Catch Basins: Think of these as the goalie. They sit at the low points and catch surface water before it can pool up.
Smooth PVC Pipe: We never use that crinkly black pipe from the hardware store. It crushes and clogs. We use rigid, smooth pipes so water flows through them.
Pop-up Emitters: This is where the water comes out, usually way out in the yard, where it can disperse safely without washing anything away.
Swales: These are shallow grassy dips that look natural but act like invisible rivers during a storm, guiding water around your new patio.

6. Softscaping: The Roots of the Operation

Hardscape needs softscape. They work together. A retaining wall looks great, but it needs plants to really lock that soil down.

After the stone is laid, we plant specifically for stability. We want plants with deep, tough root systems. Native prairie plants are beasts at this; some of their roots go down 10 feet.

We often build planter boxes right into the design. It softens the look of all the stone, but it also acts as a sponge. The stone handles the heavy traffic, and the plants handle the water absorption. It’s a living barrier against erosion.

7. Building for the Freeze-Thaw

We can't ignore the Iowa winter. Water expands about 9% when it freezes. If water gets inside a cheap brick or a crack in the concrete, it acts like a jackhammer when the temperature drops.

That freeze-thaw cycle causes spalling (where the face of the brick pops off) and cracking. Once a crack starts, erosion starts underneath it.

We are picky about materials. We use high-density pavers and natural stone that don't absorb much water. But honestly, the most important part is what you can't see, the base.

We compact the gravel foundation in layers. We pound it until it’s rock solid. If the base doesn't move, the patio doesn't settle. No settling means no low spots (we call them birdbaths) that collect water and start the cycle of deterioration.

8. Keeping it Working

Even the best hardscape drainage design isn't maintenance-free. We always walk our clients through what they need to watch for to keep the system running smoothly:

Clear the Grates: In the fall, leaves love to cover up catch basins. Kick them off so the water can get in.
Watch the Spouts: If a downspout extender falls off, put it back. Roof water is powerful and can drill a hole in your base in one storm.
Check the Edges: If you see dirt pulling away from the paver edge, fill it in. Don't let water tunnel underneath.
The Outlet: Make sure the end of the pipe isn't buried in mulch or grass so the water can actually get out.

The Bottom Line

Ignoring erosion is expensive. Trust us, it is way cheaper to put in a retaining wall or a proper drain now than it is to jack up a sinking foundation or replace a heaved driveway five years down the road.

At Larkin Landscape & Design, we treat hardscaping as a long-term investment. We use 2D design tech so you can see exactly how we are going to fix the slope and where the walls will go before we ever dig a hole.

Our “Iowa-Proof Builds” aren't just marketing fluff. We live here. We know what this soil does. Whether you are in Ankeny, Grimes, or Urbandale, your yard needs a defense system.

If you are seeing washouts, standing water, or a patio that’s starting to dip, don't wait for the next big rain to make it worse. Let’s get a layout in place that keeps your soil exactly where it belongs.

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By Andrew Larkin • January 6, 2026

The 4 a.m. Alarm: An Iowa Winter Reality If you’ve lived in Iowa for more than a single winter, you know the sound. It’s not your alarm clock, it’s the muffled ‘scrape-scrape-scrape’ of a shovel hitting concrete before the sun even comes up. Iowa winters are beautiful, sure. The blanket of white over the cornfields is postcard-perfect, until you have to drive through it to get to work or open your shop for customers. That’s when the reality sets in: snow isn’t just weather here, it’s a logistical hurdle. At Larkin Landscape , we’ve spent years battling Iowa’s unpredictable elements, from those heavy, wet snowfalls in December to the biting ice storms of February. One question we often hear from our neighbors in Des Moines , Ankeny, and Iowa City is, "Is there really a difference between hiring someone for my driveway and hiring a crew for my business?" The short answer? Yes. The long answer? It comes down to two things: urgency and liability. 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While we might bring a plow truck for a long driveway, we often rely on snow blowers and shovels for the detail work. Why? Because a massive commercial plow can do a number on a residential lawn if you aren't careful. We treat your property like our own, ensuring the snow is moved away from the house (to prevent wet basements when it melts) without burying your mailbox. 2. The Schedule is Life-Dependent Residential triggers are usually simpler. Most homeowners want service after the snow stops falling or reaches a certain depth (usually 2 inches). The goal is clear access. You need to get out of the garage, and the mail carrier needs to get to the door. It’s about restoring the flow of your daily life. Commercial Snow Removal: The Zero Tolerance Game If residential snow removal is about convenience, commercial snow removal is about risk management. For business owners in Iowa, snow isn't just an inconvenience, it’s a liability lawsuit waiting to happen. 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Winter in Iowa is inevitable, but the stress that comes with it doesn't have to be. Whether you need your front walk cleared or a shopping center maintained, Larkin Landscape has the local know-how to keep you moving. Don't wait for the first blizzard warning to start Googling "snow plowing services." By then, our schedules and our mugs of hot cocoa are already full. Contact Larkin Landscape Today to discuss your winter plan. Let’s keep Iowa safe, one cleared sidewalk at a time.

Prepare Landscape for Spring: 8 Expert Secrets

Info@larklandscape.com

Step by Step Guide: Designing Hardscape Layouts That Prevent Erosion

1. It Starts with “Reading” the Water

2. Grading: The Heavy Lifting

3. Retaining Walls Are More Than Just Stacked Stone

4. Why We Love Permeable Pavers

5. The Plumbing of the Landscape

6. Softscaping: The Roots of the Operation

7. Building for the Freeze-Thaw

8. Keeping it Working

The Bottom Line

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