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.

In Mount Horeb you can estimate when it's a good idea to plant broccoli by using the USDA zone info.

Planting Calendar for Broccoli

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

Broccoli can survive in mild cold which tells us that you can plant them just a bit earlier in the year than other frost tender plants.

The earliest that you can plant broccoli in Mount Horeb 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. If you wait any later than that and your broccoli may not have a chance to fully mature. You can get started a little bit earlier by starting your broccoli indoors.

Last Frost Date

In Mount Horeb the average date of last frost happens on April 15. It might get as low as -20°F during the coldest months of winter.

Since the USDA zone info for Mount Horeb is an average the actual date of last frost will vary from year to year. Half of the time in Mount Horeb you get a frost after April 15 so always be ready to cover your broccoli if you have a surprise late frost.

USDA Zone Info for Mount Horeb

Here is the info for USDA Zone 5a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-20°F
Highest Expected Low	-15°F

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

Plants to Grow in Mount Horeb

You may be interested in your other planting guides for Mount Horeb.