How to Make a Half-Moon Wedding Arch
Half-moon arches (also called 'crescent' or 'asymmetric moon' arches) are a modern alternative to traditional symmetric arches. The curved shape creates visual movement and works beautifully in minimalist or modern aesthetics.
Supplies needed
Tools, mechanics, and supplies you'll need before starting this build.
- Curved metal arch frame (half-moon shape)
- Floral foam cages
- Zip ties
- Pruning shears
- Sandbags for base weighting
Flower Recipe
Real stem counts with 2025 US wholesale pricing
| Flower | Role | Stems | Wholesale/Stem |
|---|---|---|---|
| White Garden Rose | focal | 14 | $3.00–$4.00 |
| Blush Spray Rose | secondary | 10 | $2.00–$3.00 |
| White Lisianthus | secondary | 12 | $2.00–$3.00 |
| Silver Dollar Eucalyptus | greenery | 18 | $1.00–$1.50 |
| Italian Ruscus | greenery | 14 | $0.90–$1.40 |
| Total Stems | 68 | ||
White Garden Rose
Blush Spray Rose
White Lisianthus
Silver Dollar Eucalyptus
Italian Ruscus
Wholesale Cost
$240–$580 wholesale
Suggested Retail
$240–$580 wholesale
Step by step
- 1
Set up the curved frame
Assemble the half-moon arch. Weight the base heavily with sandbags — curved frames are more prone to tipping than rectangular ones.
- 2
Plan floral distribution
The classic half-moon look is asymmetric — heavier floral weight on one side of the curve. Decide which side will be 'heavy' based on how guests will view the ceremony.
- 3
Attach foam at anchor points
Place foam cages along the curve where floral clusters will live. Usually 2–3 points along the 'heavy' side of the arch.
- 4
Build greenery base
Weave greenery along the full curve, but concentrate density on the heavy side. Let foliage extend 10+ inches past the curve edge for organic movement.
- 5
Cluster focal flowers
Place focal flowers in 2–3 distinct clusters along the heavy side. Leave the light side mostly greenery-only for asymmetric contrast.
- 6
Final adjustments and weighting
Double-check base weighting — half-moon arches tip more easily than straight ones. Add more sandbags if needed.
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Pro tips
Half-moon arches always need more weighting than you'd expect. Use 2x the sandbags.
Photography works best when the asymmetric cluster is on the couple's right (viewer's left) — natural reading direction.
Fewer focal clusters + more greenery = more modern. More florals = more romantic.
Common mistakes to avoid
Building symmetrically on a half-moon frame — defeats the shape.
Under-weighting the base — curved frames are physically less stable.
Placing clusters at even intervals — they should concentrate, not distribute.
Interactive calculator
Ceremony Arch Pricing Calculator
Adjust stem counts and get real-time wholesale + retail pricing →
Related how-to guides
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A wedding floral arch is the single most-photographed ceremony element.
Explore →How to Make a Floral Hoop
Floral hoops are the circular alternative to traditional arches.
Explore →How to Make a Wedding Ceremony Backdrop
Ceremony backdrops are the wall-or-drape behind where the couple says their vows.
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