Before planting it is a good idea to find your USDA Zone info to figure out your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

A way of figuring out when it's possible to plant indian cress is to consult the USDA zone info for Vallejo.

Planting Calendar for Indian cress

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

Indian cress require warm weather which means that it's necessary to wait until it warms up after the last frost before you can plant them.

The earliest that you can plant indian cress in Vallejo 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. You probably don't want to wait any later than that or else your indian cress may not have a chance to really do well. If you are starting your indian cress indoors then you might be able to get away with starting them a few weeks earlier.

Last Frost Date

The average date of last frost is February 15 in Vallejo. You should expect an average low temperature of 25°F in the coldest months of winter.

Since the USDA zone info for Vallejo is just an average the actual date of last frost will vary from year to year. Half of the time in Vallejo last frost occurs after February 15 so always be ready to cover your indian cress in the event of a surprise late frost.

USDA Zone Info for Vallejo

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 Vallejo

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