A semi-inground pool creates a natural transition zone where raised planters and ornamental grasses can hide exposed edges. If you are looking for semi inground pool landscaping ideas, you likely want to blend the structure into your yard without a massive retaining wall. The best approach is to treat the pool as a design feature, not an eyesore.
You have a unique opportunity here. Unlike fully buried pools, your pool sits halfway up, giving you a built-in shelf for plants and decor. Let’s walk through practical, beautiful ways to make that work.
Why Landscaping Matters For Semi Inground Pools
The exposed wall of a semi-inground pool is the first thing people see. If you leave it bare, it looks like a giant metal or plastic tub sitting in your grass. Landscaping softens that hard line.
It also adds privacy. A row of tall grasses or shrubs can block the view from neighbors. Plus, plants help with drainage and prevent mud from splashing onto the pool deck.
Assess Your Pool’s Exposure Level
Before you buy anything, look at how much of the pool wall is showing. Is it 2 feet or 4 feet? This changes your plant height requirements.
- Low exposure (1-2 feet): Use low growers like hostas or liriope.
- Medium exposure (2-3 feet): Go with ornamental grasses or small shrubs.
- High exposure (3-4 feet): You need tall grasses, arborvitae, or a raised planter bed.
Measure the depth of the exposed area. Write it down. You will reference this when picking plants.
Semi Inground Pool Landscaping Ideas
Here is the core section. These are proven methods to make your pool look intentional and expensive, even on a budget.
Build A Tiered Rock Garden
Rocks are your best friend. They fill space, prevent erosion, and require zero watering. Stack them in tiers against the pool wall.
- Start with large boulders at the base. These anchor the design.
- Add medium-sized river rocks in the middle layer.
- Finish with small pebbles or gravel on top.
- Plant creeping jenny or sedum in the gaps between rocks.
This creates a natural slope that hides the bottom edge of the pool. It also looks like the pool was built into a hillside.
Use Ornamental Grasses For Movement
Ornamental grasses are the workhorse of semi-inground pool landscaping. They grow fast, tolerate heat, and sway in the wind, which adds life to the area.
- Maiden grass (Miscanthus) grows 4-6 feet tall.
- Fountain grass (Pennisetum) stays shorter, around 2-3 feet.
- Switchgrass (Panicum) has a nice upright habit.
Plant them in clusters of three or five. Do not line them up like soldiers. Random placement looks more natural.
One tip: cut them back in late winter. They will come back fuller each year.
Install A Raised Planter Box Around The Edge
If you want a clean, modern look, build a wooden or composite planter box that wraps around the exposed side. This is a structural solution.
You can make it any height. A 24-inch planter box hides most of the wall. Fill it with annuals like marigolds or perennials like lavender.
This also gives you a place to sit. Make the top edge wide enough to hold a drink or a potted plant.
Create A Privacy Hedge With Evergreens
Evergreens give year-round coverage. Arborvitae or boxwood planted in a staggered row will block sightlines and soften the pool’s edge.
Space them 3-4 feet apart. They will fill in over a couple of seasons. For instant privacy, buy larger specimens, but expect to pay more.
Do not plant them too close to the pool wall. Leave at least 18 inches of space for air circulation and maintenance access.
Add A Gravel Or Stone Border
A gravel border is cheap and effective. It creates a clean line between the grass and the pool wall.
- Use pea gravel or crushed stone.
- Lay down landscape fabric first to block weeds.
- Edge it with steel or plastic edging to keep stones in place.
This prevents mud from splashing onto the pool surface. It also makes mowing easier because you do not have to get close to the wall.
Plant Low-Growing Ground Cover
If your pool is only slightly exposed, ground cover is the answer. It hugs the soil and creeps over the edge.
Good options include:
- Creeping thyme (smells great, tolerates foot traffic)
- Sedum (succulent, drought-tolerant)
- Ajuga (fast spreader, purple flowers)
- Irish moss (soft, bright green)
These plants will spill over the pool’s bottom lip, hiding the seam between the wall and the ground. They also reduce weeding.
Use Potted Plants For Flexibility
Potted plants are the easiest way to test a design. You can move them around until you find the right spot.
Place large pots at the corners of the pool. Use smaller pots along the straight sections. This breaks up the long line of the wall.
Choose pots with a wide base so they do not tip over in the wind. Terra cotta or concrete pots work well because they are heavy.
Add A Water Feature Or Fountain
A small fountain near the pool edge adds sound and movement. It distracts the eye from the exposed wall.
You can buy a freestanding fountain or build a small rock waterfall that spills into the pool. The latter is more work but looks amazing.
Just make sure the water source is safe and grounded. Hire an electrician if you are not comfortable with wiring.
Incorporate Lighting For Night Appeal
Landscaping does not stop when the sun goes down. Add low-voltage lights to highlight your plants and the pool wall.
- Uplights on trees or tall grasses
- Path lights along the border
- Submersible lights in the pool itself
This makes the pool area usable after dark. It also adds safety by illuminating steps and edges.
Build A Wooden Deck Or Platform
If you have a larger budget, build a deck that wraps around the pool. This completely hides the wall and gives you a flat surface for lounging.
Use pressure-treated lumber or composite decking. Composite is more expensive but lasts longer and requires less maintenance.
Make sure the deck is at least 2 feet wide on the exposed side. This gives you room for chairs and a small table.
Use Boulders And Large Stones As A Focal Point
Large boulders can be placed directly against the pool wall. They create a rugged, natural look that works well with modern or rustic homes.
Arrange them in a cluster, not a straight line. Vary the sizes for visual interest. You can also plant ferns or hostas between the boulders.
This is a low-maintenance option. Once the boulders are placed, you do not need to do anything else.
Create A Tropical Oasis
If you want a vacation vibe, go tropical. Use large-leaf plants like elephant ears, banana trees, or palms.
These plants grow tall and wide, quickly covering the exposed wall. They also add a lush, green backdrop to the pool water.
In colder climates, you will need to bring these plants indoors during winter. Or, treat them as annuals and replant each spring.
Step-By-Step Landscaping Plan
Let us put it all together. Here is a simple process you can follow this weekend.
Step 1: Clear The Area
Remove any weeds, grass, or debris within 2-3 feet of the pool wall. This gives you a clean canvas.
Step 2: Lay Landscape Fabric
Cover the cleared area with landscape fabric. This blocks weeds and keeps your gravel or mulch from sinking into the soil.
Step 3: Add Your Hardscape
Place boulders, edging, or planter boxes first. This defines the space and creates structure.
Step 4: Plant Your Greenery
Dig holes through the fabric and plant your shrubs, grasses, or ground cover. Water them well immediately after planting.
Step 5: Add Mulch Or Gravel
Spread a 2-3 inch layer of mulch or gravel over the fabric. This locks in moisture and gives a finished look.
Step 6: Install Lighting
Run low-voltage lighting along the border. Position lights to shine on the plants and the pool wall.
Common Mistakes To Avoid
Do not plant too close to the pool wall. Roots can damage the pool structure over time. Keep at least 12-18 inches of space.
Do not use invasive plants. Bamboo and certain ivy species will take over your yard. Stick to clumping varieties.
Do not forget about drainage. If water pools against the wall, it can cause rust or corrosion. Ensure the soil slopes away from the pool.
Do not overwater. Semi-inground pools have a lot of runoff. Choose drought-tolerant plants to reduce maintenance.
Budget-Friendly Options
You do not need to spend a fortune. Here are cheap ways to improve the look:
- Use free mulch from your local tree service.
- Buy small plants and let them grow.
- Collect rocks from your property or a nearby creek.
- Build planter boxes from reclaimed wood pallets.
- Use annual seeds instead of mature plants.
Start small. You can always add more plants next season.
Seasonal Maintenance Tips
Landscaping is not a one-time project. You need to maintain it.
In spring, cut back dead growth and add fresh mulch. In summer, water deeply once a week. In fall, remove fallen leaves from the pool. In winter, protect tender plants with burlap or move them indoors.
Check the pool wall for rust or scratches each season. Touch up any paint or coating as needed.
Frequently Asked Questions
What Is The Best Ground Cover Around A Semi-inground Pool?
Creeping thyme or sedum are the best choices. They are low-growing, drought-tolerant, and handle foot traffic well. They also spill over the edge to hide the seam.
Can I Plant Trees Near A Semi-inground Pool?
Yes, but choose trees with non-invasive roots. Japanese maples or crepe myrtles are safe. Avoid willows, poplars, and silver maples, which have aggressive root systems.
How Do I Hide The Metal Wall Of A Semi-inground Pool?
Use a combination of tall grasses, evergreen shrubs, and a gravel border. A raised planter box or wooden deck also works well to completely cover the wall.
Should I Use Mulch Or Rocks Around The Pool?
Rocks are better. They do not wash away, they do not attract pests, and they last longer. Mulch breaks down and needs replacing every year.
How Much Does It Cost To Landscape Around A Semi-inground Pool?
It depends on the scope. A DIY gravel and plant project can cost $200-$500. A full deck and professional planting can cost $3,000-$10,000 or more.
Final Thoughts On Your Pool Landscaping
You have a lot of good options here. The key is to pick a style that matches your home and your maintenance level.
Start with the basics: clear the area, add a border, and plant a few key specimens. You can always expand later.
The semi inground pool landscaping ideas above are proven to work. They will make your pool look like it was always part of the yard.
Take your time, measure twice, and buy plants that fit your climate. Your pool will look great in no time.