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.

The USDA zone info for Valparaiso should be used to figure out when it's the best time to plant romanesco.

Planting Calendar for Romanesco

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

Romanesco do well in some cold which tells us that you can plant them just a bit earlier in the year than more sensitive plants.

The earliest that you can plant romanesco in Valparaiso 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. Starting your romanesco indoors is a great way to get them started a little bit earlier.

Last Frost Date

The average date of last frost is March 15 in Valparaiso. It might get as low as 15°F during the coldest months of winter.

Keep in mind that USDA zone info for Valparaiso is not always accurate and the actual date of last frost is different every year. Half of the time in Valparaiso you get a frost after March 15 so just be sure to be ready to protect your romanesco if you have a surprise late frost.

USDA Zone Info for Valparaiso

Here is the info for USDA Zone 8b.

Average Date of Last Frost (spring)	March 15
Average Date of First Frost (fall)	November 15
Lowest Expected Low	15°F
Highest Expected Low	20°F

This means that on a really cold year, the coldest it will get is 15°F. On most years you should be prepared to experience lows near 20°F.

Plants to Grow in Valparaiso

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