The USDA Zone info is a great tool for gardeners to help us estimate your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

A common way of making a decision about when it's the best time to plant romanesco is to check out the USDA zone info for Havelock.

Planting Calendar for Romanesco

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

You can plant romanesco just a bit earlier in the year because they do well in moderate cold.

The earliest that you can plant romanesco in Havelock 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 romanesco and expect a good harvest is probably September. Any later than that and your romanesco may not have a chance to really do well. If you are starting your romanesco indoors then you might be able to get away with starting them a couple of weeks earlier.

Last Frost Date

On average the last frost when the weather gets warmer is on March 15 in Havelock. In the coldest months of winter you should expect an average low temperature of 10°F.

Since the USDA zone info for Havelock is an average the actual date of last frost will vary from year to year. Half of the time in Havelock there is a last frost after March 15 so make sure that you are prepared to cover your romanesco in the event of a late frost.

USDA Zone Info for Havelock

Here is the info for USDA Zone 8a.

Average Date of Last Frost (spring)	March 15
Average Date of First Frost (fall)	November 15
Lowest Expected Low	10°F
Highest Expected Low	15°F

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

Plants to Grow in Havelock

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