Total Bulbs
150
Depth
6"
Cost
$45–$150
At 6 bulbs/sqft = 150 bulbs
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Price as of Jul 24, 2026. Product prices and availability are accurate as of the date indicated and are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply.
Inputs
Result
Tulips planted at 6 per sq ft in a 25 sq ft bed = 150 bulbs. At $0.30-$1.00 each, budget $45-$150 for bulbs plus $3 for bone meal.
Inputs
Result
Crocus at 16 per sq ft creates a dense carpet. 160 bulbs at 3 inches deep, only 3 inches apart for maximum spring impact.
The general rule is to plant bulbs at a depth of 2-3 times the bulb height. Large bulbs like tulips and daffodils go 6 inches deep. Small bulbs like crocus and grape hyacinth go 3 inches deep. Always measure from the base of the bulb to the soil surface.
| Bulb | Depth | Spacing | Per Sq Ft |
|---|---|---|---|
| Tulip | 6" | 5" | 6 |
| Daffodil | 6" | 6" | 4 |
| Crocus | 3" | 3" | 16 |
| Hyacinth | 6" | 6" | 4 |
| Allium | 6" | 8" | 2 |
It depends on the bulb size and spacing. Small bulbs like crocus plant at 16 per square foot for a dense carpet effect. Large bulbs like tulips plant at 6 per square foot. Dahlias, being very large, need only 0.5 per square foot (one every 2 sq ft).
| Density | Bulbs/sqft | Best For |
|---|---|---|
| Dense carpet | 16 | Crocus, snowdrop, muscari |
| Full coverage | 9 | Iris, anemone |
| Standard | 4–6 | Tulip, daffodil, hyacinth |
| Accent/focal | 1–2 | Allium, lily, dahlia |
Spring-blooming bulbs (tulips, daffodils, crocus) are planted in fall, 6-8 weeks before the ground freezes. Summer-blooming bulbs (gladiolus, dahlia) are planted in spring after the last frost. They need warm soil to grow.
| Planting Time | Bloom Season | Example Bulbs |
|---|---|---|
| Sep–Oct | Late Winter | Crocus, snowdrop |
| Oct–Nov | Spring | Tulip, daffodil, hyacinth |
| Apr–May | Summer | Gladiolus, dahlia |
Bulk pricing ranges from $0.10 per crocus bulb to $8.00 for premium dahlia tubers. Budget about $0.30-$1.00 per tulip and $0.35-$1.20 per daffodil. Buying in bulk (25-100 packs) reduces cost by 30-50%.
| Garden Size | Budget Mix | Premium Mix |
|---|---|---|
| 25 sq ft | $30–$60 | $80–$200 |
| 50 sq ft | $60–$120 | $160–$400 |
| 100 sq ft | $120–$240 | $320–$800 |
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Last Updated: Jul 24, 2026
This calculator is provided for informational and educational purposes only. Results are estimates and should not be considered professional financial, medical, legal, or other advice. Always consult a qualified professional before making important decisions. UseCalcPro is not responsible for any actions taken based on calculator results.
