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Sea holly (Eryngium species) Planting Calculator
Eryngium species
Everything you need to plan Sea holly (Eryngium species): 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
Plan your Sea holly (Eryngium species) beds
Prefilled with Sea holly (Eryngium species)'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
Sea holly (Eryngium species) is typically grown from plants, not seed trays, so tray counts are hidden.
More Sea holly (Eryngium species) planning
Planning notes
- Horizontal netting
- Landscape fabric
Medium producer. A planting stays productive across a more limited window, so closer succession timing helps keep supply steady.
- Support netting is commonly used.
- Landscape fabric is commonly used for spacing and weed control.
- First-production timing varies by cultivar and growing system, so enter the maturity value from your seed supplier to estimate production.