One of the best tools that you have as gardeners to help us figure out 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.

The USDA zone info for Glassport should be read to estimate when to plant broccoli.

Planting Calendar for Broccoli

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

Broccoli are moderately cold tolerant which tells us that you can start planting them earlier than other frost tender plants.

The earliest that you can plant broccoli in Glassport 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 broccoli and expect a good harvest is probably September. You probably don't want to wait any later than that or else your broccoli may not have a chance to really do well. You can get started a few weeks earlier by starting your broccoli indoors.

Last Frost Date

The average date of last frost is April 15 in Glassport. In the coldest months of winter you can expect an average low temperature of -5°F.

It's important to remember that USDA zone info for Glassport is not always accurate and the actual date of last frost changes from year to year. Since half of the time in Glassport there is a last frost after April 15 be ready to cover your broccoli if you have a late frost.

USDA Zone Info for Glassport

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 Glassport

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