Before planting it is a good idea to find your USDA Zone info to figure out your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

In Dickinson you can determine when it's the best time to plant broccoli by looking at the USDA zone info.

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 a little bit earlier in the year than other frost tender plants.

The earliest that you can plant broccoli in Dickinson is March. However, you really should wait until April 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. Any later than that and your broccoli may not have a chance to fully mature. You can get started a little bit earlier by starting your broccoli indoors.

Last Frost Date

On average the last frost is on May 15 in Dickinson. In the coldest months of winter you should expect an average low temperature of -30°F.

Always keep in mind that the actual date of last frost is not always accurate because it is based on the USDA zone info for Dickinson and it will vary from year to year. Since half of the time in Dickinson last frost occurs after May 15 be ready to protect your broccoli in the event of a late frost.

USDA Zone Info for Dickinson

Here is the info for USDA Zone 4a.

Average Date of Last Frost (spring)	May 15
Average Date of First Frost (fall)	September 15
Lowest Expected Low	-30°F
Highest Expected Low	-25°F

This means that on a really cold year, the coldest it will get is -30°F. On most years you should be prepared to experience lows near -25°F.

Plants to Grow in Dickinson

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