Frost dates for La Cygne, KS
When the last spring frost and first fall frost usually come, and when to plant, from 30 years of NOAA weather records.
Last spring frost
April 13
typical year
Safe to plant
May 1
frost is over in 9 of 10 years
First fall frost
October 23
typical year
Growing season
192 days
frost-free, typical year
Frost watch this week
Tonight's and the next six nights' lows from the National Weather Service forecast for the station's location. Frost: 32°F or colder. Possible frost: 33–36°F, mostly in low spots on clear, still nights.
When to plant
Counted from this page's frost dates. Warm-season crops wait for the safe-to-plant date.
| Crop | Start indoors | Plant outside | Fall planting |
|---|---|---|---|
| Cool-season crops | |||
| Peas | – | Mar 16 – 30 | – |
| Spinach | – | Mar 2 – 23 | Aug 28 – Sep 11 |
| Lettuce | – | Mar 16 – Apr 6 | Aug 28 – Sep 11 |
| Radishes | – | Mar 16 – Apr 27 | Sep 11 – 25 |
| Onions | – | Mar 16 – 30 | – |
| Potatoes | – | Mar 23 – Apr 6 | – |
| Carrots | – | Mar 23 – Apr 13 | Jul 31 – Aug 14 |
| Beets | – | Mar 16 – 30 | Aug 14 – 28 |
| Kale | Feb 2 – 16 | Mar 16 – 30 | Aug 14 – 28 |
| Broccoli | Feb 2 – 16 | Mar 30 – Apr 13 | Aug 14 – 28 |
| Cabbage | Jan 19 – Feb 2 | Mar 16 – 30 | Aug 14 – 28 |
| Garlic | – | – | Sep 11 – Oct 2 |
| Warm-season crops | |||
| Tomatoes | Mar 6 – 20 | May 1 – 15 | – |
| Peppers | Feb 27 – Mar 13 | May 8 – 22 | – |
| Cucumbers | – | May 1 – 22 | – |
| Zucchini | – | May 1 – 29 | – |
| Pumpkins | – | May 1 – 22 | – |
| Green beans | – | May 1 – Aug 14 | – |
| Sweet corn | – | May 1 – 29 | – |
| Basil | Mar 27 – Apr 10 | May 8 – 15 | – |
Onions: from sets. Green beans: until 10 weeks before the first fall frost. Garlic: harvest next summer.
The year at a glance
Start indoors Plant outside Fall planting
The chance of frost, by date
| 1 year in 10 | Half of years | 9 years in 10 | |
|---|---|---|---|
| Spring frost after | May 1 | April 13 | March 29 |
| Fall frost before | October 8 | October 23 | November 4 |
Frost here means 32°F or colder. Read across: in 1 year in 10, spring frost carries on past the first date, which is why that date is the safe-to-plant date.
Hard freeze (28°F)
A hard freeze kills most garden plants, even hardy ones. The last one in spring usually comes around April 2 (April 18 in a late year), and the first one in fall around November 1.
Towns that use these dates
This is the nearest NOAA station with frost records for 3 towns.
La Cygne, Mound City, Blue Mound
Where these dates come from
NOAA weather station MOUND CITY, KS US (USC00145528), 1991–2020 climate normals. It's the nearest station for 4 zip codes, all within 15 miles:
66010, 66014, 66040, 66056
Planting dates follow common university extension advice; your local extension service can fine-tune them for your soil and microclimate.