Most homeowners think about their landscaping project in stages.
- First, get the plants in the ground.
- Then, maybe later, add irrigation if it seems necessary.
That approach sounds logical. But it almost always costs more money and creates more problems than doing both at once.
Here’s why planning your landscape and irrigation together from the start saves you time, money, and a lot of headaches.
The Problem with ‘We’ll Add It Later’
Imagine you just finished a beautiful new patio. The pavers are laid perfectly. The edging looks clean. Everything’s exactly how you wanted it.
Now imagine someone telling you they need to run an irrigation pipe underneath it.
That’s the reality when irrigation gets added after other hardscape work is done.
To get water from one side of your property to the other, pipes need to cross under driveways, patios, and retaining walls.
If those structures are already built, you have two options.
- Pay someone with a boring machine to drill underneath them.
- Or route the pipes around them, which means longer runs, more materials, and higher costs.
“If you put a pipe in ahead of time, you’ll save a lot of money because the irrigation crew will not have to bring in a boring machine to create a new hole underneath your walkway or patio,” explains Ibi Pashaei of Northern Virginia Landscaping.
But if you plan ahead? A simple conduit pipe gets laid before the concrete gets poured or the pavers go down. Problem solved.
Sprinkler Heads Need to Match Your Plants
Here’s something most people don’t realize. To be effective, sprinkler heads should get placed based on where your plants actually end up.
Not where they were supposed to go according to the design, but where they actually go once the crew starts digging.
Why? Because things change during installation.
- You hit an old pipe underground.
- There’s a massive root system where a tree used to be.
- The grade isn’t quite what the survey showed.
When that happens, plants get shifted a few feet. Maybe a shrub moves three feet to the left. Maybe a tree goes two feet forward.
If irrigation went in first, those adjustments mean your sprinkler heads are now in the wrong spots.
They’re not covering the root balls properly. Some plants get too much water. Others don’t get enough.
“If you try to plan an irrigation before the plants go in, and then we discover there’s a pipe or roots from a tree, we have to shift over three feet,” Ibi says. “Then that sprinkler head is not covering where that bush was going to go anymore.“
Then you’re either paying someone to move heads around to match where things actually ended up. Or worse, you’re stuck with irrigation that doesn’t quite work right.
But when irrigation goes in after planting? Every head gets placed exactly where it needs to be. Custom fit to your actual landscape, not the plan on paper.
You’re Going to Break Something
Let’s say you ignore all that advice and install irrigation before planting.
Now the landscape crew shows up with shovels, augers, and heavy plants that need to go in the ground.
They don’t know exactly where every pipe runs. The irrigation plan shows the general layout, but things shifted during installation. Maybe the pipes end up a foot to the left of where the drawing says.
So what happens?
- Somebody drives a shovel through a pipe.
- Or hits a sprinkler head with an auger.
- Or accidentally severs a line while tamping soil around a tree.
Now you’re paying to fix broken irrigation before your landscape is even finished.
When planting happens first, none of that matters. The irrigation crew works around the finished landscape. They know exactly where everything is. Nothing gets damaged.
The Rework Problem
Here’s another scenario that plays out more often than it should.
Someone installs irrigation first.
- Then they decide they want to add a deck next year.
- Or put in a patio where there’s currently just grass and a few shrubs.
- Or build a retaining wall to level out a slope.
Now they’re tearing out irrigation that’s barely a year old. Rerouting pipes. Moving heads. Basically, paying to do part of the work all over again.
Even if you’re not planning major hardscape work, your landscape design might change. You might decide to remove some overgrown trees and put in new plant beds. Or expand an existing garden area.
Every time the landscape changes, irrigation has to be adjusted. If it went in first, those adjustments mean extra labor and materials.
Coordinating Multiple Contractors Is a Nightmare
Maybe you’re thinking, “I’ll just hire a separate irrigation company and have them work with my landscaper.”
That can work. But it adds complexity you don’t need.
Now you’re managing two schedules. Two contracts. Two sets of warranties. If something goes wrong, both companies point at each other.
And here’s what really happens:
- The irrigation company shows up when they can fit you in.
- The landscape company has to work around them.
- If the irrigation install gets delayed, your whole project timeline shifts.
But when one company handles both, they control the sequence.
Plants go in first. Irrigation follows immediately after. Everything flows in the right order without you making phone calls to coordinate.
Better Coverage Means Healthier Plants
Let’s talk about what happens when irrigation is designed around your actual planted landscape.
Every plant has different water needs. Shrubs in full sun need more than shade perennials. New plants need more frequent watering than established ones. Trees need deep soaking while shallow-rooted flowers need lighter, more frequent coverage.
When irrigation goes in after planting, the installers can see exactly what you have and where it is. They can adjust sprinkler head spacing and type to match.
- A taller shrub might need a sprinkler head that pops up higher so water clears the foliage.
- A low flower bed might need heads with smaller throw radius.
- Areas near trees might need extra coverage to compensate for root competition.
You can’t design all that in advance. You have to see the finished landscape and build the irrigation to match.
What About Established Landscapes?
Maybe your landscape is already mature, and you’re just adding irrigation now.
In that case, the same principle applies. The irrigation gets designed around what’s already there. Every head placement is based on the actual plants, not a drawing.
The team digs trenches carefully to avoid damaging roots. They route pipes around obstacles instead of forcing a predetermined path. They test the coverage to make sure every plant gets adequate water.
But if you’re doing new planting anyway, doing both at once just makes sense.
The ground is already torn up. The crews are already there. The timeline is shorter and the final result is better.
The Exception: Planning for Future Projects
There’s one scenario where you might install irrigation before some other work gets done.
If you know you’re building a patio or driveway in the next year or two, you can go ahead and run conduit pipes under where that structure will go. These are just empty pipes that irrigation lines can thread through later.
That gives you the flexibility to add irrigation after the hardscape is done without expensive drilling or boring.
But you have to actually plan it. And you have to install those conduits at the right time, before the concrete gets poured or the base layer goes down.
For most homeowners, that’s more coordination than they want to manage. It’s easier to just do everything at once.
The Bottom Line
Planning your landscape and irrigation together isn’t just convenient. It’s the smart way to avoid expensive mistakes.
You won’t pay to bore under structures that didn’t exist when irrigation went in. You won’t damage pipes during planting. You won’t have sprinkler heads in the wrong spots because plants moved during installation.
You’ll get irrigation that fits your actual landscape perfectly. And you’ll save money in the process.
Contact Northern Virginia Landscaping today.
We’ll design your landscape and irrigation as one coordinated system, so everything works together from day one.