The USDA Zone info is a great tool for gardeners to help us figure out your gardening 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 Siloam Springs should be read to determine when it's possible to plant garden cress.

Planting Calendar for Garden cress

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

Since garden cress do not do well in cold weather it's necessary to wait until after all chance of frost has passed before you can plant them.

The earliest that you can plant garden cress in Siloam Springs 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 garden cress and expect a good harvest is probably August. You probably don't want to wait any later than that or else your garden cress may not have a chance to really do well. Starting your garden cress indoors is a great way to get them started a little bit earlier.

Last Frost Date

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

Always keep in mind that the actual date of last frost is an average because it is based on the USDA zone info for Siloam Springs and it is different every year. Half of the time in Siloam Springs it frosts late in the year after April 15 so always be ready to cover your garden cress in the event of a surprise late frost.

USDA Zone Info for Siloam Springs

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 Siloam Springs

You may be interested in your other planting guides for Siloam Springs.