One of the best tools that you have as gardeners to help us determine your gardening schedule is the USDA zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

You can estimate when it's the best time to plant romanesco in Ambridge by checking out the USDA zone info.

Planting Calendar for Romanesco

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

Romanesco are moderately cold tolerant which means that you can start planting them earlier than other plants that might not handle the cold.

The earliest that you can plant romanesco in Ambridge 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 really do well. If you are starting your romanesco indoors then you might be able to get away with starting them a little bit earlier.

Last Frost Date

In Ambridge the average date of last frost happens on April 15. It might get as low as -5°F during the coldest months of winter.

Remember that the actual date of last frost is not always accurate because it is based on the USDA zone info for Ambridge and it can change quite a bit from year to year. Half of the time in Ambridge last frost occurs after April 15 so always be ready to cover your romanesco in the event of a surprise late frost.

USDA Zone Info for Ambridge

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 Ambridge

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