Before planting it is a good idea to find your USDA Zone info to figure out your garden schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

A way of determining when it's possible to plant romanesco is to examine the USDA zone info for New Carlisle.

Planting Calendar for Romanesco

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

Romanesco tend to make it in some cold which tells us that you can plant them a bit earlier in the year than plants that are more sensitive to the cold.

The earliest that you can plant romanesco in New Carlisle 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 fully mature. You can get started a little bit earlier by starting your romanesco indoors.

Last Frost Date

On average the last frost when the weather gets warmer is on April 15 in New Carlisle. It might get as low as -10°F during the coldest months of winter.

Just be sure to remember that USDA zone info for New Carlisle may not be accurate from year to year and the actual date of last frost changes from year to year. Since half of the time in New Carlisle last frost occurs after April 15 be ready to cover your romanesco in the event of one of those late frosts.

USDA Zone Info for New Carlisle

Here is the info for USDA Zone 6a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-10°F
Highest Expected Low	-5°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 -5°F.

Plants to Grow in New Carlisle

You may be interested in your other planting guides for New Carlisle.