Brookgreen Gardens, South Carolina Spring and Fall Freeze Statistics

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Brookgreen Gardens, South Carolina Spring and Fall Freeze Statistics

Brookgreen Gardens's average date for the last spring freeze is March 19

Spring freeze statistics sorted by probability

Probability	Date
1%	Feb 5
5%	Feb 17
10%	Feb 24
25%	Mar 7
50%	Mar 19
75%	Mar 31
90%	Apr 11
95%	Apr 17
99%	Apr 30

Earliest last spring freeze: Feb 5, 2024

Latest last spring freeze: May 8, 1989

Spring freeze statistics sorted by date

Date	Probability
Jan 25	0.2%
Feb 1	0.5%
Feb 5	1.0%
Feb 10	1.9%
Feb 15	3.7%
Feb 20	6.5%
Feb 25	10.8%
Mar 1	15.5%
Mar 5	21.4%
Mar 10	30.3%
Mar 15	40.6%
Mar 20	51.5%
Mar 25	62.4%
Mar 30	72.3%
Apr 5	82.3%
Apr 10	88.5%
Apr 15	93.1%
Apr 20	96.1%
Apr 25	97.9%
Apr 30	99.0%
May 5	99.5%
May 10	99.8%

Since 1955, the date of Brookgreen Gardens' last spring freeze has shifted 4.7 days earlier per decade.

Brookgreen Gardens's average date for the first fall freeze is November 17

Fall freeze statistics sorted by probability

Probability	Date
1%	Oct 17
5%	Oct 26
10%	Oct 30
25%	Nov 8
50%	Nov 17
75%	Nov 26
90%	Dec 4
95%	Dec 8
99%	Dec 18

Earliest first fall freeze: October 14, 1988

Latest first fall freeze: December 21, 2001

Fall freeze statistics sorted by date

Date	Probability
Oct 1	0.0%
Oct 5	0.1%
Oct 10	0.2%
Oct 15	0.7%
Oct 20	1.8%
Oct 25	4.2%
Nov 1	11.4%
Nov 5	18.3%
Nov 10	29.8%
Nov 15	43.9%
Nov 20	58.8%
Nov 25	72.4%
Nov 30	83.4%
Dec 5	91.1%
Dec 10	95.7%
Dec 15	98.2%
Dec 20	99.3%
Dec 25	99.8%
Dec 30	99.9%

Since 1955, the date of Brookgreen Gardens' first fall freeze has shifted 3.3 days later per decade.

Brookgreen Gardens's average growing season length is 241 days

Growing season statistics sorted by probability

Probability	Days
1%	300
5%	282
10%	273
25%	258
50%	241
75%	224
90%	208
95%	199
99%	182

Shortest growing season: 190 days in 1962

Longest growing season: 296 days in 2024

Growing season statistics sorted by days

Days	Probability
160	99.9%
170	99.7%
180	99.2%
190	97.8%
200	94.7%
210	88.8%
220	79.5%
225	73.4%
230	66.5%
235	59.0%
240	51.2%
245	43.4%
250	35.7%
255	28.7%
260	22.3%
270	12.4%
280	6.0%
290	2.6%
300	1.0%

Since 1955, Brookgreen Gardens' growing season has become 7.8 days longer per decade.

Research and Page Author: Tim Armstrong & Vicky Oliva
Last Updated: September 17, 2026

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