The USDA Zone info is a great tool for gardeners to help us determine your gardening schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

One way of making a decision about when it's the best time to plant romanesco is to refer to the USDA zone info for Circle Pines.

Planting Calendar for Romanesco

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

Since romanesco do well in moderate cold you can plant them a bit earlier in the year than other frost tender plants.

The earliest that you can plant romanesco in Circle Pines 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 romanesco and expect a good harvest is probably August. Any later than that and your romanesco may not have a chance to fully mature. You can get started a few weeks earlier by starting your romanesco indoors.

Last Frost Date

On average all chance of frost has passed is on May 15 in Circle Pines. In the coldest months of winter you can expect an average low temperature of -25°F.

It's important to remember that USDA zone info for Circle Pines is just an average and the actual date of last frost is different every year. Half of the time in Circle Pines it frosts late in the year after May 15 so always be ready to cover your romanesco if you have a surprise late frost.

USDA Zone Info for Circle Pines

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 Circle Pines

You may be interested in your other planting guides for Circle Pines.