The USDA Zone info is a great tool for gardeners to help us figure out your gardening schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

You will be able to figure out when it's a good idea to plant garden cress by looking at the USDA zone info for Slidell.

Planting Calendar for Garden cress

Frost tolerance for garden cress:	Not tolerant of frost.
When to plant:	After the last frost when the weather gets warmer.

Garden cress require warm weather which means that it is important to wait until it warms up after the last frost before you can plant them.

The earliest that you can plant garden cress in Slidell is March. However, you really should wait until April 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 September. You probably don't want to wait any later than that or else your garden cress may not have a chance to fully mature. You can get started a little bit earlier by starting your garden cress indoors.

Last Frost Date

The average date of last frost is February 15 in Slidell. It might get as low as 20°F during the coldest months of winter.

Always keep in mind that USDA zone info for Slidell is not always accurate and the actual date of last frost is different every year. Half of the time in Slidell it frosts late in the year after February 15 so make sure that you are ready to protect your garden cress if you have a surprise late frost.

USDA Zone Info for Slidell

Here is the info for USDA Zone 9a.

Average Date of Last Frost (spring)	February 15
Average Date of First Frost (fall)	December 15
Lowest Expected Low	20°F
Highest Expected Low	25°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 25°F.

Plants to Grow in Slidell

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