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Sweet Sultan (Centaurea imperialis) Planting Calculator
Centaurea imperialis
Everything you need to plan Sweet Sultan (Centaurea imperialis): 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
- 9″
- Planting pattern
- Intensive bed
- Time to first production
- Varies by variety
- Enter your supplier's maturity value to estimate
- Succession planting
- Not typical
- Start indoors
- Direct sow / not typical
- Production pattern
- Medium producer
- Hardy annual
Plan your Sweet Sultan (Centaurea imperialis) beds
Prefilled with Sweet Sultan (Centaurea imperialis)'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 9″Range null–null″
Your plan
326
Total plants
Based on 1.63 plants/sq ft at 9″ spacing
- Plants to buy (10% buffer)
- 359
Sweet Sultan (Centaurea imperialis) is typically grown from plants, not seed trays, so tray counts are hidden.
More Sweet Sultan (Centaurea imperialis) planning
Planning notes
Medium producer. A planting stays productive across a more limited window, so closer succession timing helps keep supply steady.
- First-production timing varies by cultivar and growing system, so enter the maturity value from your seed supplier to estimate production.