One of the best tools that you have as gardeners to help us determine your gardening schedule is the USDA zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The first opportunity to plant romanesco in Newport can be determined by reviewing the USDA zone info.

Planting Calendar for Romanesco

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

Since romanesco are moderately cold tolerant you can plant them a little bit earlier in the year than plants that are more sensitive to the cold.

The earliest that you can plant romanesco in Newport 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. If you wait any later than that and your romanesco may not have a chance to fully mature. Starting your romanesco indoors is a great way to get them started a few weeks earlier.

Last Frost Date

The average date of last frost is May 15 in Newport. In the coldest months of winter you can expect an average low temperature of -30°F.

Remember that USDA zone info for Newport is just an average and the actual date of last frost is different every year. Since half of the time in Newport you get surprised by a frost after May 15 be ready to cover your romanesco if you have a surprise late frost.

USDA Zone Info for Newport

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 Newport

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