When to Plant Tulip bulbs in Delaware: Oct 21–Nov 25

When to plant tulip bulbs in Delaware

Fall planting in Wilmington

Oct 21–Nov 25

Across Delaware the window opens between October 19 and October 21. Find your city below; the dates follow each town's own average first fall frost.

Fall planting, Wilmington: Oct 21–Nov 25
Last frost, Wilmington: Apr 7

Plant from 2 weeks before to 3 weeks after the first fall frost. Plant once the soil has cooled below 60°F. Bulbs need 12–14 weeks of cold to flower in spring.

Tulip bulbs planting dates by city

Start indoorsPlant outSow outdoorsFall plantingAverage last and first frost

JanFebMarAprMayJunJulAugSepOctNovDec

WilmingtonOct 21–Nov 25

DoverOct 21–Nov 25

NewarkOct 19–Nov 23

MiddletownOct 19–Nov 23

BearOct 19–Nov 23

Questions

When should I plant tulip bulbs in Delaware?

In Wilmington, fall planting from October 21 to November 25. Across Delaware the window opens between October 19 and October 21, depending on the local last frost.

How is this date worked out?

Plant from 2 weeks before to 3 weeks after the first fall frost. Frost dates are NOAA 1991–2020 averages for the weather station nearest each city.