One of the first steps you take when you are figuring out your gardening schedule is find your USDA Zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

One way of estimating when it's possible to plant romanesco is to look at the USDA zone info for North Tonawanda.

Planting Calendar for Romanesco

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

Since romanesco do well in moderate cold you can plant them a little earlier in the year than plants that are more sensitive to the cold.

The earliest that you can plant romanesco in North Tonawanda 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. If you wait any later than that and your romanesco may not have a chance to grow to maturity. You can get started a couple of weeks earlier by starting your romanesco indoors.

Last Frost Date

The average date of last frost is April 15 in North Tonawanda. In the coldest months of winter you can expect an average low temperature of -10°F.

Since the USDA zone info for North Tonawanda is just an average the actual date of last frost changes from year to year. Half of the time in North Tonawanda last frost occurs after April 15 so make sure that you are prepared to cover your romanesco in the event of a surprise late frost.

USDA Zone Info for North Tonawanda

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 North Tonawanda

You may be interested in your other planting guides for North Tonawanda.