Bulb Spacing Calculator

Find how many bulbs fit a planting area.

Bed area

Spacing

Bulbs needed (bulbs) 450

Formula: bulbs = area ÷ (spacing in feet)²

Step-by-step with your numbers:

1. Values used:

2. Bed area = 50

3. Spacing = 4

5. Bulbs needed = 450bulbs

Did we solve your problem today?

Plan a dense, even bulb display.

The math behind it

bulbs ≈ bed area ÷ (spacing in feet)².

50 ft² at 4 in → ~450 bulbs.

Naturalized look?

Increase spacing and scatter randomly for a natural drift.