One of the first steps you take when you are figuring out your gardening schedule is find your USDA Zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The earliest that you can plant cauliflower in Hopkins can be figured out by referring to the USDA zone info.

Planting Calendar for Cauliflower

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

Cauliflower tend to make it in a little bit of cold which means that you can plant them a little earlier in the year than more sensitive plants.

The earliest that you can plant cauliflower in Hopkins 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 cauliflower and expect a good harvest is probably August. You probably don't want to wait any later than that or else your cauliflower may not have a chance to grow to maturity. You can get started a couple of weeks earlier by starting your cauliflower indoors.

Last Frost Date

On average the last frost when the weather gets warmer is on May 15 in Hopkins. In the coldest months of winter you can expect an average low temperature of -25°F.

Keep in mind that USDA zone info for Hopkins is an average and the actual date of last frost will vary from year to year. Half of the time in Hopkins last frost occurs after May 15 so always be ready to protect your cauliflower in the event of one of those late frosts.

USDA Zone Info for Hopkins

Here is the info for USDA Zone 4b.

Average Date of Last Frost (spring)	May 15
Average Date of First Frost (fall)	September 15
Lowest Expected Low	-25°F
Highest Expected Low	-20°F

This means that on a really cold year, the coldest it will get is -25°F. On most years you should be prepared to experience lows near -20°F.

Plants to Grow in Hopkins

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