Plant Spacing Calculator

Row Spacing:

Plant Spacing:

Bed Width:

Bed Length:

Centimeters (cm) Inches (in)

Plants per Row:

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Number of Rows:

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Total Plants:

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Visual Layout

Enter values and calculate to see the layout.

'; return; } // Determine a scale factor for visual representation // We want the visual bed to fill its container, so scale based on the larger dimension const visualBedWidthPx = visualBed.offsetWidth; const visualBedHeightPx = visualBed.offsetHeight; // Calculate a scale factor to map real-world cm to visual pixels // We'll use the ratio of visual bed's actual width to the real bed's length // and visual bed's actual height to the real bed's width // to determine the appropriate scaling, ensuring the bed fills the visual area. const scaleX = visualBedWidthPx / bedLengthCm; const scaleY = visualBedHeightPx / bedWidthCm; // Use the smaller scale factor to ensure everything fits within the visual bed const effectiveScale = Math.min(scaleX, scaleY); // Adjust plant circle size based on scale, but keep a minimum for visibility const basePlantCircleSize = 10; // pixels const scaledPlantCircleSize = Math.max(5, basePlantCircleSize * effectiveScale); // Ensure minimum size for (let r = 0; r < numRows; r++) { for (let p = 0; p < plantsPerRow; p++) { // Calculate position in cm, adding half spacing to center the plant in its "cell" const xCm = (p * plantSpacingCm) + (plantSpacingCm / 2); const yCm = (r * rowSpacingCm) + (rowSpacingCm / 2); // Convert cm position to percentage of bed dimensions const xPercent = (xCm / bedLengthCm) * 100; const yPercent = (yCm / bedWidthCm) * 100; // Create plant element const plantCircle = document.createElement('div'); plantCircle.className = 'plant-circle'; plantCircle.style.left = `${xPercent}%`; plantCircle.style.top = `${yPercent}%`; plantCircle.style.width = `${scaledPlantCircleSize}px`; plantCircle.style.height = `${scaledPlantCircleSize}px`; visualBed.appendChild(plantCircle); } } } // Event Listeners calculateBtn.addEventListener('click', calculateSpacing); // Recalculate on input change for dynamic updates (optional, but good UX) rowSpacingInput.addEventListener('input', calculateSpacing); plantSpacingInput.addEventListener('input', calculateSpacing); bedWidthInput.addEventListener('input', calculateSpacing); bedLengthInput.addEventListener('input', calculateSpacing); unitRadios.forEach(radio => radio.addEventListener('change', calculateSpacing)); // Initial calculation on page load calculateSpacing(); });

Plant Spacing Guide

Proper plant spacing helps your garden thrive by ensuring each plant gets enough sunlight, nutrients, and airflow. Use this guide to make informed decisions:

Row Spacing: The distance between rows of plants. Needed for tools or walking access.
Plant Spacing: The distance between each plant in the same row. Prevents overcrowding.
Area-Based Spacing: Calculate how many plants fit based on your garden size.
Adjust by Plant Type: Leafy greens need less space, while tomatoes and squash need more.
Air Circulation: Spacing reduces mold, pests, and disease risk.

Tip: Always check seed packets or plant labels for recommended spacing for your specific plant variety.

1. What is the formula for planting distance?

The planting distance formula calculates how many plants fit in a given area:
Plants = (Length ÷ Spacing) × (Width ÷ Spacing)
Example: A 10ft × 5ft garden with 1ft spacing fits (10 ÷ 1) × (5 ÷ 1) = 50 plants.

2. What is the recommended spacing for planting?

It depends on the plant type:
– Leafy greens: 6–12 inches
– Root veggies: 2–4 inches
– Tomatoes/peppers: 18–24 inches
– Shrubs: 3–6 feet
Always check seed packets or nursery tags.

3. How far apart should I put plants?

Use the “mature spread” rule: space plants at least half their full width apart.
Example: A 2ft wide plant needs 1ft spacing. Prevents overcrowding and resource competition.

4. How many plants are in a 10×10 area?

Depends on spacing:
– At 1ft spacing: 100 plants
– At 6-inch spacing: 400 plants
Use our calculator above for precision based on your layout.

5. How big is a 10×10 area?

10ft × 10ft = 100 sq ft. That’s the size of a small bedroom or two parking spots.

6. How many plants do you need per room?

For air-purifying impact:
– Small room (100 sq ft): 2–3 plants
– Large room (200+ sq ft): 5–7 plants
Mix tall, trailing, and leafy varieties for balance.

7. How many plants per space?

Outdoors: use spacing formula.
Indoors: 1 medium plant per 10 sq ft, or 1 large plant per room corner for symmetry and airflow.

8. How many plants in a bedroom?

– Tiny bedroom (8x10ft): 3–4 plants (lavender, peace lily)
– Master bedroom (12x15ft): 6–8 plants (rubber plant, monstera)

9. How much space should you give plants?

Root space: use a pot that’s twice the root ball’s width.
Air space: leave 6–12 inches between pots to avoid pest and disease buildup.

10. How much space is needed for a plant room?

– Minimum: 5x5ft (25 sq ft) for compact shelves
– Ideal: 10x10ft (100 sq ft) for benches, walkways, and lighting

11. What is the spacing for cucumbers?

– Bush types: 12 inches apart in rows 3ft apart
– Vining types: 18–36 inches apart with trellises
More space improves air circulation and yield.

12. How to arrange plants in a small room?

Go vertical:
– Hang pothos or trailing vines
– Use shelves for compact plants like succulents
– Place tall plants in corners
Rotate regularly to ensure even light distribution.