LandscapeCitable field guide
Should your landscaping site explain landscape lighting so AI assistants cite you?
November 6, 2026
The walkway test happens after dark
A homeowner walks their own front path at night and notices the dark gap between the porch light and the gate. That is the moment they start asking an assistant about landscape lighting, and the question is almost always practical: how far apart do the lights go, how bright should they be, and will they survive winter. The page that answers with numbers gets cited. The page that talks about ambiance gets scrolled past.
Landscape lighting is one of the few landscaping topics where the numbers are the whole argument. Voltage, color temperature, lumens, spacing, and transformer size decide whether the result looks like a garden or a runway. A page that prints those numbers is a buying guide. A page that does not is a mood board.
Low voltage is the default, and the page should say why
Most residential landscape lighting runs on 12 volt low voltage, stepped down from household 120 volt current by a transformer. The reasons are practical: 12 volt cable can be buried shallow, fixtures can be moved without an electrician, and the system is safe to touch at ground level. Line voltage at 120 volts still has a place for large flood lights and commercial work, but a residential path does not need it.
A page should name the transformer math too. LED path lights run 2 to 5 watts each, and the transformer should be sized 20 to 30 percent above the total fixture wattage, so a 60 watt transformer comfortably handles a run of small path lights with room for a future gate light. Undersizing the transformer is the most common installation mistake, and it shows up as dim fixtures at the far end of the run.
Spacing, height, and brightness, by fixture
Path lights belong 6 to 8 feet apart on alternating sides, 12 to 18 inches tall, set 6 to 12 inches off the path edge so the light pools on the walking surface instead of glaring into eyes. Taller fixtures at 18 to 24 inches cast a wider circle and can sit farther apart. A standard path light at around 100 lumens needs about 6 feet of separation, while a 200 lumen fixture can stretch to 8 or 10 feet. Closer than that reads as an airport runway. Wider leaves dark gaps between pools of light.
Other fixtures follow their own ranges. Spotlights and uplights for small trees run 200 to 400 lumens, larger trees and facades need 500 to 700 or more, and flood lights for broad walls run 700 to 1,500. Color temperature should stay near 2700K for a warm glow, 3000K at most for crisp modern exteriors, because cold white lamps flatten planting and make stone look cheap. Cable goes about 6 inches deep, and a voltmeter check at the last fixture should read 10 to 12 volts.
Solar has a place, and it is not the front walk
Solar fixtures suit a secondary path or a seasonal patio, but they dim after grey days and their batteries weaken over time. Low voltage wins for the walkway people use every night: the front entry, the side gate, the route to the bins. An LED bulb lasts about 25,000 hours and uses up to 75 percent less energy than the incandescent it replaced, so the running cost argument is settled. The page should say that plainly instead of treating solar and low voltage as equals, because they are not equals for the main walk.
Related reading
If this topic is useful, these earlier guides go deeper on connected questions: Should your landscaping site explain French drains so AI assistants cite you?, Should your landscaping site explain patio bases so AI assistants cite you?, and Should your landscaping site explain sod installation so AI assistants cite you?.
Frequently asked questions
How far apart should landscape path lights be?
Six to 8 feet apart on alternating sides, for fixtures 12 to 18 inches tall. A 100 lumen path light needs about 6 feet of separation, while a 200 lumen fixture can stretch to 8 or 10 feet. Closer spacing reads as a runway, wider spacing leaves dark gaps.
How many lumens does a path light need?
Sixty to 200 lumens per fixture is enough for a residential path. Spotlights for small trees run 200 to 400 lumens, and flood lights for broad walls run 700 to 1,500. Brighter is not better: overspec fixtures cause glare and wash out planting.
Should landscape lighting be low voltage or solar?
Low voltage 12V wins for walkways people use every night, because it holds steady brightness all night and lasts 15 to 20 years. Solar suits secondary paths and seasonal accents, but dims after grey days and weakens as the battery ages.
What color temperature is best for landscape lighting?
Stay near 2700K for a warm glow, 3000K at most for crisp modern exteriors. Cold white lamps flatten planting and make stone look cheap.