When to Plant Tulips in Delaware
The herald of spring. Plant tulip bulbs in fall for a breathtaking display when you need it most — after a long winter.
The Short Answer
Delaware Frost Dates
Your planting dates depend on which part of Delaware you're in. Here are the frost date ranges by region:
| Region | Zones | Last Frost (Spring) | First Frost (Fall) |
|---|---|---|---|
| Northern Delaware | 7a | Apr 10 - Apr 25 | Oct 10 - Oct 25 |
| Southern Delaware | 7b | Apr 1 - Apr 15 | Oct 20 - Nov 5 |
Tulips Planting Schedule for Delaware
Northern Delaware (Zones 7a)
Average last frost: Apr 10 - Apr 25 · Average first frost: Oct 10 - Oct 25
Southern Delaware (Zones 7b)
Average last frost: Apr 1 - Apr 15 · Average first frost: Oct 20 - Nov 5
Growing Tulips in Delaware
Tulips in Delaware's Climate
Tulips perform well in your climate with adequate chilling. Plant in October-November. Many hybrid tulips decline after 2-3 years (they're bred for shows, not longevity) — species tulips and Darwin Hybrids return most reliably. Squirrels are the main challenge.
Soil Considerations for Delaware
Sandy soils in south, clay loam in north. Generally well-drained. Slightly acidic.
Delaware Climate & Growing Season
Moderate climate with maritime influence. Good growing conditions for a wide range of vegetables. Tulips can handle frost well, which is an advantage in Delaware's climate. You can push planting dates earlier in spring and extend into fall.
Growing season length varies across Delaware: Northern Delaware (7a) has a last frost around Apr 10 - Apr 25, while Southern Delaware (7b) sees frost end around Apr 1 - Apr 15. This difference matters for tulips — adjust your planting dates to match your specific region.
Growing Tips
Plant pointed end up, 6 inches deep. Need 12-14 weeks of cold below 40°F to bloom. Plant in groups of 10+ for the best show.
Companion Planting
Plant tulips alongside these companions for better growth:
The Bottom Line
Last reviewed: March 29, 2026