One of the first steps you take when you are figuring out your gardening schedule is find your USDA Zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

You should be able to estimate when to plant bishop's weed by using the USDA zone info for Gilroy.

Planting Calendar for Bishop's Weed

Frost tolerance for bishop's weed:	Very tolerant of frost.
When to plant:	Up to 7 weeks before last frost.

Bishop's Weed can survive in cold weather which tells us that you can plant them a lot earlier in the year than more sensitive plants.

The earliest that you can plant bishop's weed in Gilroy is January. However, you really should wait until February if you don't want to take any chances.

The last month that you can plant bishop's weed and expect a good harvest is probably October. If you wait any later than that and your bishop's weed may not have a chance to really do well. You can get started a few weeks earlier by starting your bishop's weed indoors.

Last Frost Date

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

Always keep in mind that USDA zone info for Gilroy is an average and the actual date of last frost is different every year. Since half of the time in Gilroy you get surprised by a frost after February 15 be ready to protect your bishop's weed in the event of one of those late frosts.

USDA Zone Info for Gilroy

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 Gilroy

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