The USDA Zone info is a great tool for gardeners to help us determine your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

You will be able to determine when it's the best time to plant indian cress by referring to the USDA zone info for Perris.

Planting Calendar for Indian cress

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

Indian cress do not do well in cold weather which means that you need to wait until it warms up after the last frost before you can plant them.

The earliest that you can plant indian cress in Perris 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 indian cress and expect a good harvest is probably September. Any later than that and your indian cress may not have a chance to really do well. Starting your indian cress indoors is a great way to get them started a few weeks earlier.

Last Frost Date

The average date of last frost is February 15 in Perris. It might get as low as 25°F during the coldest months of winter.

Since the USDA zone info for Perris is just an average the actual date of last frost changes from year to year. Since half of the time in Perris it frosts late in the year after February 15 be ready to cover your indian cress if you have one of those late frosts.

USDA Zone Info for Perris

Here is the info for USDA Zone 9b.

Average Date of Last Frost (spring)	February 15
Average Date of First Frost (fall)	December 15
Lowest Expected Low	25°F
Highest Expected Low	30°F

This means that on a really cold year, the coldest it will get is 25°F. On most years you should be prepared to experience lows near 30°F.

Plants to Grow in Perris

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