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For an outdoor tree, plan on about 100 lights per vertical foot for a light wrap of the trunk and main branches, 200 per foot for a fuller look, and 300 or more per foot to carry light out to the branch tips. A 6-foot shrub takes roughly 600 lights for a light wrap; a large mature tree can swallow several thousand. Wrapping a real tree uses far more lights than draping a cone-shaped indoor tree — here is how to size it.
How many Christmas lights for an outdoor tree? Lights per foot for the wrap
Unlike an artificial indoor tree that you simply drape, an outdoor tree gets wrapped — lights wind tightly around the trunk and out along each branch. That covers a lot more surface, so the count climbs fast with how far out you wrap. Decide your look first: a simple lit trunk and a few main limbs, a fuller wrap of all major branches, or a dense wrap that reaches every tip.
| Tree / shrub size | Light wrap (100/ft) | Full wrap (200–300/ft) |
|---|---|---|
| Small shrub (3–4 ft) | 300–400 lights | 600–1,200 lights |
| Medium shrub (5–6 ft) | 500–600 lights | 1,000–1,800 lights |
| Small tree (7–9 ft) | 700–900 lights | 1,400–2,700 lights |
| Medium tree (10–15 ft) | 1,000–1,500 lights | 2,000–4,500 lights |
| Large tree (20 ft+) | 2,000+ lights | 5,000+ lights |
How to estimate lights for wrapping an outdoor tree
Break the tree into parts. Start with the trunk. Allow about 100 lights for every 1 to 1.5 feet of trunk, wrapping tight turns spaced 2 to 3 inches apart for a dense column. Then add roughly 100 lights for each major branch you wrap out toward its tip. The more branches you follow and the tighter your spacing, the higher the total. It is always better to buy one set too many than to run out halfway up a ladder in the cold. Measure the reach of your nearest outdoor outlet too, since a long run may need an outdoor-rated extension cord of the right gauge.
Wrapping technique: spacing sets the look
The gap between wraps decides whether the tree reads as densely lit or sparse. Tight 2-to-3-inch spacing gives the glowing, professional column you see on commercial trees; 4-to-6-inch spacing uses fewer lights for a softer, more casual effect. Wrap from the base of the trunk upward, then out along a branch and back, keeping tension even so the strand hugs the bark. Our step-by-step on how to wrap Christmas lights around a tree walks through the method.
Why LEDs are the right choice outdoors
A single large wrapped tree can hold thousands of bulbs, which makes LED string lights the practical choice. They draw far less current, so you can connect many more sets end to end on one circuit; they run cool against living bark; and they use dramatically less electricity across a season-long display. See whether LED Christmas lights are cheaper to run and how their brightness compares to incandescent before you buy. For product picks, our best Christmas lights for outdoor trees guide narrows the field.
The bottom line
Size an outdoor tree by how far out you wrap, not just its height: 100 lights per foot for a light look, up to 300-plus per foot for full coverage to the tips. Wrap tight for a dense glow, choose outdoor-rated LEDs, and stay inside every safety limit. For more seasonal fundamentals, visit Christmas Lights 101 & Safety.
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