Before planting it is a good idea to find your USDA Zone info to estimate your garden schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

By using the USDA zone info for Lake Havasu City you should be able to estimate when it's the best time 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 when the weather gets warmer.

Since garden cress are not cold tolerant it is 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 Lake Havasu City is February. However, you really should wait until March 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. Any later than that and your garden cress may not have a chance to really do well. You can get started a little bit earlier by starting your garden cress indoors.

Last Frost Date

In Lake Havasu City the average date of last frost happens on January 31. It might get as low as 30°F during the coldest months of winter.

Since the USDA zone info for Lake Havasu City is just an average the actual date of last frost will vary from year to year. Since half of the time in Lake Havasu City there is a last frost after January 31 be ready to cover your garden cress in the event of a late frost.

USDA Zone Info for Lake Havasu City

Here is the info for USDA Zone 10a.

Average Date of Last Frost (spring)	January 31
Average Date of First Frost (fall)	December 15
Lowest Expected Low	30°F
Highest Expected Low	35°F

This means that on a really cold year, the coldest it will get is 30°F. On most years you should be prepared to experience lows near 35°F.

Plants to Grow in Lake Havasu City

You may be interested in your other planting guides for Lake Havasu City.