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

By using the USDA zone info for Avon it's a good idea to figure out when you can plant romanesco.

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 one of those plants that can tolerate a little bit of cold weather you can plant them a little bit earlier in the year than other frost tender plants.

The earliest that you can plant romanesco in Avon 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. 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 April 15 in Avon. In the coldest months of winter you should expect an average low temperature of -10°F.

Since the USDA zone info for Avon is not always accurate the actual date of last frost will vary from year to year. Half of the time in Avon it frosts late in the year after April 15 so be sure to be ready to protect your romanesco if you have a late frost.

USDA Zone Info for Avon

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 Avon

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