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.

It's possible to figure out when it's the best time to plant bittercress by reviewing the USDA zone info for Goodyear.

Planting Calendar for Bittercress

Frost tolerance for bittercress:	Tolerant of a very small amount of frost.
When to plant:	Up to 3 weeks before last frost.

Bittercress do ok in moderate cold which tells us that you can plant them slightly earlier than other frost tender plants.

The earliest that you can plant bittercress in Goodyear 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 bittercress and expect a good harvest is probably September. Any later than that and your bittercress may not have a chance to fully mature. Starting your bittercress indoors is a great way to get them started a few weeks earlier.

Last Frost Date

On average the last frost has passed is on February 15 in Goodyear. In the coldest months of winter you should expect an average low temperature of 25°F.

Since the USDA zone info for Goodyear may not be accurate from year to year the actual date of last frost is different every year. Half of the time in Goodyear you get a frost after February 15 so just be sure to be ready to cover your bittercress if you have a late frost.

USDA Zone Info for Goodyear

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 Goodyear

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