Before planting it is a good idea to find your USDA Zone info to estimate your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

You should be able to determine when to plant romanesco by looking at the USDA zone info for Catasauqua.

Planting Calendar for Romanesco

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

Romanesco can survive in moderate cold which means 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 Catasauqua 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. You probably don't want to wait any later than that or else 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 is on April 15 in Catasauqua. In the coldest months of winter you can expect an average low temperature of -5°F.

Since the USDA zone info for Catasauqua is an average the actual date of last frost can change quite a bit from year to year. Half of the time in Catasauqua last frost occurs after April 15 so be sure to be ready to cover your romanesco in the event of a surprise late frost.

USDA Zone Info for Catasauqua

Here is the info for USDA Zone 6b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-5°F
Highest Expected Low	0°F

This means that on a really cold year, the coldest it will get is -5°F. On most years you should be prepared to experience lows near 0°F.

Plants to Grow in Catasauqua

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