🌷 Your Ultimate Garden Calendar!

🌷 Last Frost Dates for Collingswood, New Jersey 08108

The last 36°F Spring frost date is 30% likely to be on Apr 12. (See detailed probabilities below.)

The last 32°F light freeze date is 30% likely to be on Apr 3. (See detailed probabilities below.)

(See also 🍂 First Fall Frost Dates.)

Last frost date probabilities for Collingswood, NJ are based on historical climate data.

Always check your local forecast for the most up-to-date frost warnings.

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What is a Last Frost Date?

The last spring frost signals when your area is safe from freezing temperatures. Tender plants can now grow outdoors without cold damage! This marks the beginning of the growing season. Last spring frost serves as your essential starting point for planting warm-season crops. It's also time to remove winter protection from your perennials. Enjoy the longer days and warmer weather!

How to use the Last Frost Date?

Start seeds indoors several weeks before your last frost date. This gives plants time to reach transplanting size when weather permits. Plan your outdoor planting schedule around your area's average last frost date. Plant some crops before and some after this date to protect against weather changes. Look for spots in your yard where frost stays longer or disappears earlier. Create your own frost map to use all available growing space and extend your season. Keep watching your local weather forecast to catch any surprise late frosts.

Last Frost Date Probabilities

Probability of frost (36°F) on or after…
10% chanceApr 20
20% chanceApr 16
30% chanceApr 12
40% chanceApr 10
50% chanceApr 7
60% chanceApr 5
70% chanceApr 2
80% chanceMar 31
90% chanceMar 26
Probability of light freeze (32°F) on or after…
10% chanceApr 11
20% chanceApr 6
30% chanceApr 3
40% chanceApr 1
50% chanceMar 29
60% chanceMar 26
70% chanceMar 23
80% chanceMar 19
90% chanceMar 14
Probability of moderate freeze (28°F) on or after…
10% chanceApr 2
20% chanceMar 29
30% chanceMar 25
40% chanceMar 21
50% chanceMar 18
60% chanceMar 15
70% chanceMar 12
80% chanceMar 8
90% chanceMar 4
Probability of moderate hard freeze (24°F) on or after…
10% chanceMar 26
20% chanceMar 20
30% chanceMar 15
40% chanceMar 11
50% chanceMar 8
60% chanceMar 4
70% chanceMar 1
80% chanceFeb 25
90% chanceFeb 17
Probability of hard freeze (20°F) on or after…
10% chanceMar 14
20% chanceMar 7
30% chanceMar 2
40% chanceFeb 27
50% chanceFeb 23
60% chanceFeb 18
70% chanceFeb 12
80% chanceFeb 6
90% chanceJan 31
Probability of severe hard freeze (16°F) on or after…
10% chanceMar 1
20% chanceFeb 23
30% chanceFeb 17
40% chanceFeb 11
50% chanceFeb 5
60% chanceFeb 1
70% chanceJan 29
80% chanceJan 22
90% chanceJan 12

Agricultural climatic data from weather station: PHILADELPHIA CITY (USW00013779)

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