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Bachelor’s button (Centaurea cyanus) Planting Calculator
Centaurea cyanus
Everything you need to plan Bachelor’s button (Centaurea cyanus): 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
- 80 days from sowing
- Succession planting
- Recommended
- Every 28 days
- Start indoors
- 10 weeks before
- before last frost
- Production pattern
- Medium producer
- Hardy annual
Plan your Bachelor’s button (Centaurea cyanus) beds
Prefilled with Bachelor’s button (Centaurea cyanus)'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
- Seeds to start (10% buffer)
- 359
- 72-cell trays needed
- 5
- 128-cell trays needed
- 3
More Bachelor’s button (Centaurea cyanus) planning
Planning notes
- Horizontal netting
- Corralling
- Landscape fabric
Medium producer. A planting stays productive across a more limited window, so closer succession timing helps keep supply steady.
- This crop can be direct sown.
- Support netting is commonly used.
- Corralling for structural support is commonly used.
- Landscape fabric is commonly used for spacing and weed control.