One of the best tools that you have as gardeners to help us figure out your gardening schedule is the 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.

It's a good idea to figure out when to plant bishop's weed by checking out the USDA zone info for La Verne.

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 do ok in a bit of cold which means that you can plant them earlier in the year than plants that are more sensitive to the cold.

The earliest that you can plant bishop's weed in La Verne 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. You probably don't want to wait any later than that or else your bishop's weed may not have a chance to grow to maturity. You can get started a couple of weeks earlier by starting your bishop's weed indoors.

Last Frost Date

On average all chance of frost has passed is on February 15 in La Verne. You should expect an average low temperature of 25°F in the coldest months of winter.

Since the USDA zone info for La Verne may not be accurate from year to year the actual date of last frost will vary from year to year. Half of the time in La Verne it frosts late in the year after February 15 so be sure to be ready to cover your bishop's weed if you have a late frost.

USDA Zone Info for La Verne

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 La Verne

You may be interested in your other planting guides for La Verne.