One of the best tools that you have as gardeners to help us estimate your gardening schedule is the USDA zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

In Hummelstown you can estimate when you can plant mustard by using the USDA zone info.

Planting Calendar for Mustard

Frost tolerance for mustard:	Not tolerant of frost.
When to plant:	After the last frost has passed.

It's probably not a good idea to plant mustard until after all chance of frost has passed because they require warm weather.

The earliest that you can plant mustard in Hummelstown is April. However, you really should wait until May if you don't want to take any chances.

The last month that you can plant mustard and expect a good harvest is probably August. If you wait any later than that and your mustard may not have a chance to really do well. You can get started a couple of weeks earlier by starting your mustard indoors.

Last Frost Date

The average date of last frost is April 15 in Hummelstown. In the coldest months of winter you can expect an average low temperature of 0°F.

Always keep in mind that USDA zone info for Hummelstown may not be accurate from year to year and the actual date of last frost will vary from year to year. Half of the time in Hummelstown it frosts late in the year after April 15 so be sure to be ready to protect your mustard in the event of a surprise late frost.

USDA Zone Info for Hummelstown

Here is the info for USDA Zone 7a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	0°F
Highest Expected Low	5°F

This means that on a really cold year, the coldest it will get is 0°F. On most years you should be prepared to experience lows near 5°F.

Plants to Grow in Hummelstown

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