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Snapdragon Planting Calculator
Antirrhinum majus
Everything you need to plan Snapdragon: 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″
- Range 4–12″
- Planting pattern
- Intensive bed
- Time to first production
- 100–120 days from sowing
- Succession planting
- Recommended
- Every 21 days
- Start indoors
- 10 weeks before
- before last frost
- Production pattern
- Medium producer
- Hardy annual · Pinch
Plan your Snapdragon beds
Prefilled with Snapdragon'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 4–12″
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 Snapdragon planning
Planning notes
- Horizontal netting
- Landscape fabric
- Pinching
Medium producer. A planting stays productive across a more limited window, so closer succession timing helps keep supply steady.
- Pinching is commonly used in this production system.
- Support netting is commonly used.
- Landscape fabric is commonly used for spacing and weed control.