Before planting it is a good idea to find your USDA Zone info to estimate 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 Clarksville can be used to determine 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 do well in moderate cold which means that you can plant them a little bit earlier in the year than other frost tender plants.

The earliest that you can plant broccoli in Clarksville 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. Any later than that and your broccoli may not have a chance to grow to maturity. You can get started a couple of weeks earlier by starting your broccoli indoors.

Last Frost Date

The average date of last frost is April 15 in Clarksville. It might get as low as -5°F during the coldest months of winter.

It's important to remember that USDA zone info for Clarksville may not be accurate from year to year and the actual date of last frost changes from year to year. Half of the time in Clarksville you get surprised by a frost after April 15 so just be sure to be ready to protect your broccoli in the event of one of those late frosts.

USDA Zone Info for Clarksville

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 Clarksville

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