When to Plant Broccoli in Zone 2a

Before planting it is a good idea to find your USDA Zone info to determine 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.

The first opportunity to plant broccoli in Zone 2a can be determined by using the USDA zone info.

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Planting Calendar for Broccoli

Frost tolerance for broccoli: Tolerant of some frost.
When to plant: Up to 5 weeks before last frost.

Since broccoli are moderately cold tolerant you can plant them just a bit earlier in the year than other plants that might not handle the cold.

JanFebMarAprMayJunJulAugSepOctNovDec
Legend 
A good time to plant broccoli
Possibly ok, but a risky time to plant broccoli
Probably not a good time to plant broccoli

The earliest that you can plant broccoli in Zone 2a is April. However, you really should wait until May if you don't want to take any chances.

The last month that you can plant broccoli and expect a good harvest is probably August. If you wait any later than that and your broccoli may not have a chance to fully mature. Starting your broccoli indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

On average all chance of frost has passed is on May 15 in Zone 2a. You should expect an average low temperature of -50°F in the coldest months of winter.

Keep in mind that USDA zone info for Zone 2a is not always accurate and the actual date of last frost changes from year to year. Half of the time in Zone 2a it frosts late in the year after May 15 so just be sure to be ready to protect your broccoli in the event of one of those late frosts.

USDA Zone Info for Zone 2a

Here is the info for USDA Zone 2a.

Average Date of Last Frost (spring)May 15
Average Date of First Frost (fall)August 15
Lowest Expected Low-50°F
Highest Expected Low-45°F

This means that on a really cold year, the coldest it will get is -50°F. On most years you should be prepared to experience lows near -45°F.

Plants to Grow in Zone 2a

You may be interested in your other planting guides for Zone 2a.