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.

In Arcata you can determine when it's a good idea to plant indian cress by checking out the USDA zone info.

Planting Calendar for Indian cress

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

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 Arcata 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. You can get started a few weeks earlier by starting your indian cress indoors.

Last Frost Date

On average the last frost when the weather gets warmer is on February 15 in Arcata. In the coldest months of winter you can expect an average low temperature of 25°F.

Since the USDA zone info for Arcata is an average the actual date of last frost can change quite a bit from year to year. Half of the time in Arcata you get surprised by a frost after February 15 so be sure to be ready to protect your indian cress if you have one of those late frosts.

USDA Zone Info for Arcata

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 Arcata

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