When to plant in Kenner, LA
USDA Zone 9bEverything below — frost dates, hardiness zone, and what to plant when in Kenner, Louisiana — is derived from the closest NOAA station with complete climate normals.
A generous ~335-day season lets Kenner gardeners direct-sow more and still ripen long-maturity crops like melons and winter squash. In zone 9b, frost is a minor factor for Kenner — most perennials thrive, and annual vegetables can go out early and stay late.
The average first fall frost in Kenner is now 10 days later than in the 1981–2010 normals. See how frost dates are shifting nationwide →
Frost probability
NEW ORLEANS INTL AP · 1991–2020The date the last spring and first fall frost occur, by threshold and probability. A 90% date is later in spring — and earlier in fall — than a 10% date; the 50% · 32°F row is what most gardeners plan around. These are Kenner’s own odds, recorded at NEW ORLEANS INTL AP.
| Threshold | SPRING 10% | SPRING 50% | SPRING 90% | FALL 10% | FALL 50% | FALL 90% |
|---|---|---|---|---|---|---|
| 36°F | Mar 12 | Feb 16 | Jan 20 | Nov 16 | Dec 9 | Jan 8 |
| 32°F | Feb 27 | Jan 30 | Dec 29 | Dec 1 | Dec 31 | Jan 31 |
| 28°F | Feb 14 | Jan 20 | Dec 24 | Dec 11 | Jan 7 | Feb 6 |
Download this table as CSV ↓ — every threshold and probability, plus this city’s planting-window dates.
What to plant now
TODAY · JULY 19Nothing new to sow or transplant outdoors in the next few weeks — a seasonal lull. Check the full-year calendar below for the next window.
Full-year planting calendar
Each bar is the exact window to take a planting action in Kenner, drawn to the day from the local frost dates. The dashed line is today.
Nearby weather stations
3 within 22 km · complete 32°F normalsWhen stations disagree by more than a few days, that spread is real microclimate variation — elevation, water, urban heat. Judge which station best matches your own yard.
Kenner planting FAQ
When is the last spring frost in Kenner, LA?
On average, the last spring frost in Kenner is around January 30 (50% probability at 32°F, from 1991–2020 NOAA normals). Wait until after this date to set out tender plants like tomatoes and peppers.
When is the first fall frost in Kenner, LA?
In Kenner, the first 32°F freeze of fall lands around December 31 on average. Time your last harvests and any season-extension cover before it.
What hardiness zone is Kenner in?
Kenner is in USDA hardiness zone 9b. In zone 9b, winters are mild — many tender perennials overwinter here.
How long is the growing season in Kenner?
Kenner has about 335 frost-free days — a long growing season — between the average last spring frost (January 30) and first fall frost (December 31).
When should I plant tomatoes in Kenner?
For Kenner, sow tomatoes indoors about December 5–December 19 and move the seedlings out around February 6, after the last spring frost.
Never miss a window in Kenner
An email when it’s time to start seeds, transplant, and sow — timed to Kenner’s frost dates. Double opt-in, one-click unsubscribe, no spam.
Nearby cities
8 within reachFrost dates recorded at NEW ORLEANS INTL AP, 2 km from the city center · 1991–2020 NOAA climate normals · zone from the USDA/PRISM 2023 map. How we compute this.
BlissGarden. "When to Plant in Kenner, LA — Frost Dates & Zone 9b." Frost normals: NOAA NCEI U.S. Climate Normals 1991–2020, station USW00012916. Retrieved from https://blissgarden.com/louisiana/kenner.