What Is a Hellstrip in Landscaping? (Planting Guide)
A hellstrip is the narrow space between a sidewalk and a street, also called a boulevard, verge, or tree lawn. To plant one well, first check local rules, buried utilities, walking clearance, sightlines, drainage, and sun. Then choose low-growing plants that suit the site, install them at mature spacing, and water them while they establish.
If you enjoy gardening, a hellstrip can turn an often-overlooked patch into a useful planting bed. But it has challenges a backyard bed may not: foot traffic, road splash, compacted soil, utility lines, and rules about public right-of-way. I use a simple planning rule: understand the site before choosing plants. That helps prevent a pretty planting from becoming a blocked path or costly repair.
What Is a Hellstrip in Landscaping?
A hellstrip is the strip of land between a sidewalk and a road. Depending on the region, people also call it a boulevard, verge, curb strip, or tree lawn. It may look like part of a private yard, but it can lie in public right-of-way, so ownership and planting rules vary.
The strip is often narrow and exposed. It may get hot, dry, or salty, and soil can be compacted by construction or foot traffic. It may also hold street trees, signs, utility covers, or underground lines. These conditions explain why a plant that thrives in a sheltered garden may struggle here.
Before planning, check with your city or local authority about permits, plant limits, and responsibility for upkeep. Do not assume that owning the nearby home gives you full control of the strip.
Site Assessment, Plant Selection & Safety Preparation
A successful planting starts with a site check, not a shopping list. Measure the usable bed, identify sun and water conditions, and locate access routes, utilities, and sightlines. Then select plants by their mature height and spread, not by how small they look in a nursery pot.
Check access, visibility, and buried utilities
Where a sidewalk is part of an ADA accessible route, keep at least 36 inches (915 mm) of clear width. Local rules may require more. Planted space does not count as clear walking width. The ADA maximum cross slope for an accessible route is 1:48, or 2.08%. Do not change the sidewalk grade to make a planting bed without checking the rules.
Keep vegetation below local sightline limits near intersections, driveways, and crossings. Those height limits vary by location. Avoid plants that spread into the walkway, have thorns at leg or hand height, or form rigid stems where people need to pass.
Before digging, request utility locating through your local 811 system. Wait for markings and follow the locator’s directions. Public utility locating may not show private lines, such as some irrigation or service lines. Markings do not mean it is safe to dig directly over a marked line. If you are unsure about a line or its location, contact the utility or a qualified professional.
Match plants to the actual conditions
Record how many hours of direct sun the strip gets, whether rainwater pools there, and whether water drains quickly. Note road salt, reflected heat, tree roots, and places where people step across the strip. Choose plants that tolerate the conditions you observe and remain within local height and spread limits.
| Site condition | Planting approach | Check before choosing |
|---|---|---|
| Narrow bed beside a busy sidewalk | Compact, low-growing plants | Mature spread must leave the required clear width |
| Near a driveway or crossing | Low plants with open sightlines | Local visibility rules |
| Water pools after rain | Plants suited to moist soil, or address drainage first | Do not redirect water onto the sidewalk or road |
| Dry, sunny strip | Plants suited to sun and dry conditions | Water access during establishment |
| Tree roots or utility covers | Shallow, careful planting or an unplanted access zone | Do not cover roots, covers, or marked utilities |
No single plant list fits every region. Ask a local nursery, extension service, or municipal planting guide for options suited to your climate. The key test is mature size and site fit, not a plant’s label as “drought tolerant” or “low maintenance.”
Plan the work safely
Wear gloves, eye protection, and sturdy footwear. Use hand tools or equipment sized for the strip, and take care near traffic. Set up traffic controls where needed, following local rules. If work would put you or others in the path of moving vehicles, pause and arrange a safer work plan.
Illustrative planning case: A 30-inch-wide strip beside a sidewalk cannot provide a 36-inch clear path by itself. If the sidewalk is an accessible route, keep the walking surface open and confirm how local rules apply before adding plants that could spill onto it.
Hellstrip Planting: Layout, Soil Preparation & Installation
Planting means setting each plant at the right depth and spacing, then securing it with suitable backfill and water. In a hellstrip, the layout must also protect sidewalk clearance, sightlines, drainage, utility access, and tree roots. Work in a sequence, and stop if you find an unmarked line or an unexpected hazard.
Prepare the bed without creating new problems
First confirm the right-of-way boundary and the utility markings. Remove unwanted vegetation carefully, without damaging the sidewalk, curb, tree roots, or utilities. Avoid deep digging near marked facilities. If the bed contains rubble, very compacted soil, or large roots, do not assume that aggressive digging or heavy equipment is safe.
Check how the soil handles water. After rainfall, note whether water drains away or remains pooled. Amend soil only when the change suits the chosen plants and local soil conditions. Adding rich material everywhere is not a universal fix, and changing the grade can send water toward a sidewalk, building, or neighboring property.
Do not pile soil or mulch against tree trunks, bury root flares, or cover drainage paths and utility covers. A root flare is the widened base where a tree trunk meets its roots. Keep it visible and at its existing grade.
Set plants at mature spacing
Arrange plants in their containers before digging. Use the mature spread on the plant label or a reliable local reference to estimate spacing. Leave enough room for growth without crowding the sidewalk or sightlines. Make sure utility covers remain visible and reachable.
Dig a hole suited to the plant’s root ball, taking care around utility marks and roots. Set the plant so its crown or root flare sits at the correct grade for that species. Backfill with appropriate soil, firm it gently, and water thoroughly to settle the soil around the roots.
Apply about 2–3 inches (50–75 mm) of mulch where appropriate. Keep mulch away from plant crowns and stems. Do not bury tree root flares, raise soil against trunks, or pile mulch over covers and drainage routes.
Illustrative planning case: For a sunny strip with a narrow bed and a nearby driveway, a gardener might select low-growing plants that stay inside the bed at maturity. The exact species depends on local climate and soil. The installation plan should keep the driveway view open and leave covers accessible.
Establishment Care, Pruning & Seasonal Maintenance
Establishment is the period when new plants develop roots in their new location. During this time, check soil moisture often and water thoroughly when needed. The right schedule depends on rainfall, drainage, plant type, and weather, so there is no universal hellstrip watering rate.
After planting, keep the root zone consistently moist while plants establish, but avoid leaving it waterlogged. Check the soil rather than relying on a fixed calendar. A strip that drains fast may need attention sooner than one that stays damp. Adjust watering after rain and as plants take root.
Remove weeds before they set seed, and replenish mulch as it thins. Keep mulch at the recommended depth and off stems and crowns. Prune when needed to preserve sidewalk clearance and sightlines. Remove dead or damaged growth, and do not allow branches or foliage to block utility access.
Inspect the strip after heavy rain. Look for ponding, erosion, exposed roots, washed-out mulch, or soil that has shifted onto the sidewalk. Correct the cause where possible, but do not grade the strip or redirect water without checking local requirements. Also check whether foot traffic has created a trip hazard.
Illustrative planning case: A newly planted strip may look settled after the first watering, but a heavy rain can reveal low spots or runoff. Inspecting it then helps identify a drainage or erosion issue before it becomes a repeat problem.
Tool Cleaning, Winter Protection & Seasonal Storage
Clean tools after use so soil and plant debris do not carry into storage or the next job. Winter care depends on your climate and plant choices. Keep tools dry, protect plants as local guidance recommends, and do not use salt or piled snow in a way that harms the planting.
Brush soil from hand tools, then clean and dry them before storing. Follow the maker’s directions for care of any powered equipment. Put tools away where they will not block a sidewalk or utility access. If you used equipment near a road, check it for debris or damage before the next use.
For winter, follow local advice for the plants you selected. Do not pile snow or de-icing salt onto the bed if it could damage plants or change drainage. Avoid adding protective material that blocks a utility cover, hides a trip hazard, or covers a tree’s root flare. In spring, inspect for erosion, dead plants, and soil or mulch that has moved onto the walkway.
Conclusion and Hellstrip Planting FAQs
The most reliable hellstrip plan begins with local rules, utility clearance, and measurements. After that, choose plants for the site and their mature size, install them carefully, and keep access routes, sightlines, and drainage clear. A small amount of planning can prevent damage and make ongoing care easier.
What is another name for a hellstrip?
Common names include boulevard, verge, curb strip, and tree lawn. The term varies by region, and local agencies may use a different name.
Is a hellstrip public or private property?
It may be within public right-of-way, even beside a private home. Check local property records or ask the city before changing it.
Do I need permission to plant a hellstrip?
Rules vary by city and site. Ask the local authority about permits, approved plants, right-of-way limits, and maintenance duties before planting.
How wide must the sidewalk path stay?
Where the sidewalk is part of an ADA accessible route, keep at least 36 inches (915 mm) clear. Local requirements may call for more.
Can I plant anything in a hellstrip?
No. Choose plants that fit local rules, mature size limits, sightlines, access needs, and site conditions. Avoid plants that block walking space or visibility.
Should I call 811 before digging?
Yes. Request utility locating through your local 811 system and wait for markings. Ask about private lines too, since public locating may not identify them.
How deep should mulch be?
Use about 2–3 inches (50–75 mm) where mulch suits the planting. Keep it off stems and crowns, away from tree root flares, and clear of covers.
How often should I water new hellstrip plants?
There is no universal schedule. Keep the root zone consistently moist during establishment, adjusting for rainfall, drainage, weather, and plant type.
Can I plant near a street tree?
Possibly, but take care not to damage roots or bury the root flare. Avoid deep digging near roots and follow local tree-care rules.
What should I check after heavy rain?
Look for standing water, erosion, washed-out mulch, exposed roots, and soil on the sidewalk. Do not leave a trip hazard or obstruct drainage.
(This article was written by one of our staff writers, Evan Bradley. Visit our Meet the Team page.)
