Flowers
Petunia Planting Calculator
Petunia × hybrida
Everything you need to plan Petunia: recommended spacing, how many plants and seeds you'll need, when to start, and when to expect blooms. Defaults come from grower references and every value is editable.
At a glance
- Recommended spacing
- 12″
- Range 12–24″
- Planting pattern
- Square grid
- Time to first production
- 70–95 days from sowing
- Succession planting
- Not typical
- Start indoors
- 6 weeks before
- before transplanting
- Production pattern
- Standard
Plan your Petunia beds
Prefilled with Petunia's recommended spacing. Adjust your bed size to get plant counts, seeds to start, and tray requirements.
Loads recommended spacing and planting pattern. You can override anything.
ft
ft
in
Default 12″Range 12–24″
Your plan
200
Total plants
50 per row × 4 rows
- Seeds to start (10% buffer)
- 221
- 72-cell trays needed
- 4
- 128-cell trays needed
- 2