When to plant sunflowers in Louisiana

Sunflowers
Sow outdoors in New Orleans
Feb 15–Mar 8

Across Louisiana the window opens between February 15 and March 11. Find your city below; the dates follow each town's own average last frost.

Sow outdoors, New Orleans
Feb 15–Mar 8
Last sowing for a harvest
Sep 13
Last frost, New Orleans
Jan 22

Sow outdoors up to 3 weeks after the last frost. Sow every two weeks until midsummer for flowers through fall.

Sunflowers planting dates by city

Start indoorsPlant outSow outdoorsFall plantingAverage last and first frost
JanFebMarAprMayJunJulAugSepOctNovDec
New OrleansFeb 15–Mar 8
Baton RougeFeb 28–Mar 21
ShreveportMar 9–Mar 30
MetairieFeb 15–Mar 8
LafayetteFeb 26–Mar 19
Lake CharlesFeb 15–Mar 8
St. GeorgeFeb 28–Mar 21
KennerFeb 15–Mar 8
Bossier CityFeb 28–Mar 21
MonroeMar 8–Mar 29
AlexandriaFeb 27–Mar 20
PrairievilleFeb 15–Mar 8
MarreroFeb 15–Mar 8
HoumaFeb 15–Mar 8
CentralFeb 25–Mar 18
LaplaceFeb 15–Mar 8
SlidellFeb 24–Mar 17
New IberiaFeb 15–Mar 8
TerrytownFeb 15–Mar 8
HammondMar 8–Mar 29
ChalmetteFeb 15–Mar 8
RustonMar 11–Apr 1
Bayou CaneFeb 15–Mar 8
HarveyFeb 15–Mar 8
ZacharyFeb 25–Mar 18
SulphurFeb 15–Mar 8

Questions

When should I plant sunflowers in Louisiana?

In New Orleans, sow outdoors from February 15 to March 8. Across Louisiana the window opens between February 15 and March 11, depending on the local last frost.

How is this date worked out?

Sow outdoors up to 3 weeks after the last frost. Frost dates are NOAA 1991–2020 averages for the weather station nearest each city.

More for Louisiana

Sunflowers in other states

Frost dates for every city in Louisiana