Frost dates for Lake Grove, NY
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 10
typical year
Safe to plant
April 25
frost is over in 9 of 10 years
First fall frost
November 2
typical year
Growing season
207 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 13 – 27 | – |
| Spinach | – | Feb 27 – Mar 20 | Sep 7 – 21 |
| Lettuce | – | Mar 13 – Apr 3 | Sep 7 – 21 |
| Radishes | – | Mar 13 – Apr 24 | Sep 21 – Oct 5 |
| Onions | – | Mar 13 – 27 | – |
| Potatoes | – | Mar 20 – Apr 3 | – |
| Carrots | – | Mar 20 – Apr 10 | Aug 10 – 24 |
| Beets | – | Mar 13 – 27 | Aug 24 – Sep 7 |
| Kale | Jan 30 – Feb 13 | Mar 13 – 27 | Aug 24 – Sep 7 |
| Broccoli | Jan 30 – Feb 13 | Mar 27 – Apr 10 | Aug 24 – Sep 7 |
| Cabbage | Jan 16 – 30 | Mar 13 – 27 | Aug 24 – Sep 7 |
| Garlic | – | – | Sep 21 – Oct 12 |
| Warm-season crops | |||
| Tomatoes | Feb 28 – Mar 14 | Apr 25 – May 9 | – |
| Peppers | Feb 21 – Mar 7 | May 2 – 16 | – |
| Cucumbers | – | Apr 25 – May 16 | – |
| Zucchini | – | Apr 25 – May 23 | – |
| Pumpkins | – | Apr 25 – May 16 | – |
| Green beans | – | Apr 25 – Aug 24 | – |
| Sweet corn | – | Apr 25 – May 23 | – |
| Basil | Mar 21 – Apr 4 | May 2 – 9 | – |
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 | April 25 | April 10 | March 31 |
| Fall frost before | October 18 | November 2 | November 15 |
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 March 30 (April 12 in a late year), and the first one in fall around November 14.
Towns that use these dates
This is the nearest NOAA station with frost records for 3 towns.
Lake Grove, Islandia, Village of the Branch
Where these dates come from
NOAA weather station ISLIP LI MACARTHUR AP, NY US (USW00004781), 1991–2020 climate normals. It's the nearest station for 14 zip codes, all within 8 miles:
11716, 11717, 11720, 11722, 11738, 11741, 11742, 11749, 11752, 11755, 11767, 11779, 11787, 11788
Planting dates follow common university extension advice; your local extension service can fine-tune them for your soil and microclimate.