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

It's possible to determine when you can plant indian cress by looking at the USDA zone info for Belfast.

Planting Calendar for Indian cress

Frost tolerance for indian cress:	Not tolerant of frost.
When to plant:	After all chance of frost has passed.

It's not a good idea to plant indian cress until after the last frost when the weather gets warmer because they do not do well in cold weather.

The earliest that you can plant indian cress in Belfast 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 indian cress and expect a good harvest is probably August. You probably don't want to wait any later than that or else your indian cress may not have a chance to fully mature. Starting your indian cress indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

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

Always keep in mind that USDA zone info for Belfast is an average and the actual date of last frost changes from year to year. Since half of the time in Belfast there is a last frost after April 15 be ready to cover your indian cress in the event of a late frost.

USDA Zone Info for Belfast

Here is the info for USDA Zone 5b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-15°F
Highest Expected Low	-10°F

This means that on a really cold year, the coldest it will get is -15°F. On most years you should be prepared to experience lows near -10°F.

Plants to Grow in Belfast

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