Frost Dates for Rosenberg, TX
In Rosenberg, TX, the average last spring frost is around Feb 9 and the average first fall frost around Dec 13, for a growing season of about 305 days. For frost-tender plants, wait until Mar 11, when the chance of frost drops to 10%.
Based on NOAA 1991–2020 records from the Sugar Land, TX weather station, 11 miles away, elevation 84 ft. Frost can come earlier in low spots and valleys and later near cities and large lakes.
Frost probability by date
Chance of a 32°F frost after the spring date, or before the fall date.
| Chance | Last spring frost | First fall frost |
|---|---|---|
| 10% | Mar 11 | Nov 19 |
| 20% | Mar 3 | Nov 27 |
| 30% | Feb 26 | Dec 2 |
| 40% | Feb 17 | Dec 7 |
| 50% | Feb 9 | Dec 13 |
| 60% | Feb 3 | Dec 20 |
| 70% | Jan 30 | Dec 28 |
| 80% | Jan 23 | Jan 3 |
| 90% | Jan 13 | Jan 13 |
Light frost vs. hard freeze
Average (50%) dates for each temperature. Tender plants are damaged at 36°F; most hardy crops survive until 28°F.
| Temperature | Last in spring | First in fall |
|---|---|---|
| Light frost (36°F) | Mar 2 | Nov 29 |
| Frost / freeze (32°F) | Feb 9 | Dec 13 |
| Hard freeze (28°F) | Jan 28 | Jan 1 |
Planting calendar for Rosenberg
Transplant Feb 16 – Mar 2
Transplant Feb 23 – Mar 9
Transplant Feb 23 – Mar 9
Transplant Feb 16 – Mar 2
Sow or transplant Feb 16 – Mar 2
Sow or transplant Feb 16 – Mar 2
Sow or transplant Feb 23 – Mar 9
Sow or transplant Jan 12 – Jan 26
Fall sowing Oct 18 – Nov 15
Fall sowing Oct 18 – Nov 8
Fall sowing Oct 4 – Oct 18
Sow or transplant Jan 12 – Jan 26
Fall sowing Oct 4 – Nov 1
Transplant Jan 26 – Feb 9
Fall sowing Sep 20 – Oct 4
Transplant Jan 19 – Feb 2
Fall sowing Sep 20 – Oct 4
Fall sowing Sep 20 – Oct 4
Fall sowing Nov 1 – Nov 22
Fall sowing Oct 4 – Oct 18
Plant Jan 12 – Jan 26
Based on the average last frost (Feb 9) and first frost (Dec 13). The dashed lines mark those dates. Seed packets list days to maturity; adjust for your varieties.