Before planting it is a good idea to find your USDA Zone info to estimate your garden schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

A way of getting a good idea when it's a good idea to plant onions is to refer to the USDA zone info for Englewood.

Planting Calendar for Onions

Frost tolerance for onions:	Very tolerant of frost.
When to plant:	Up to 7 weeks before last frost.

Since onions do well in cold you can plant them a lot earlier in the year than plants that are more sensitive to the cold.

The earliest that you can plant onions in Englewood is February. However, you really should wait until March if you don't want to take any chances.

The last month that you can plant onions and expect a good harvest is probably September. If you wait any later than that and your onions may not have a chance to fully mature. If you are starting your onions indoors then you might be able to get away with starting them a little bit earlier.

Last Frost Date

On average the last frost has passed is on April 15 in Englewood. In the coldest months of winter you should expect an average low temperature of -15°F.

Always keep in mind that USDA zone info for Englewood is just an average and the actual date of last frost will vary from year to year. Half of the time in Englewood it frosts late in the year after April 15 so be sure to be ready to cover your onions in the event of a late frost.

USDA Zone Info for Englewood

Here is the info for USDA Zone 5b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-15°F
Highest Expected Low	-10°F

This means that on a really cold year, the coldest it will get is -15°F. On most years you should be prepared to experience lows near -10°F.

Plants to Grow in Englewood

You may be interested in your other planting guides for Englewood.