One of the first steps you take when you are estimating your gardening schedule is find your USDA Zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The USDA zone info for West Covina should be reviewed to determine when to plant blue lace flowers.

Planting Calendar for Blue Lace Flowers

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

Since blue lace flowers do ok in moderate cold you can plant them slightly earlier in the year than other frost tender plants.

The earliest that you can plant blue lace flowers in West Covina 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 blue lace flowers and expect a good harvest is probably September. Any later than that and your blue lace flowers may not have a chance to grow to maturity. You can get started a few weeks earlier by starting your blue lace flowers indoors.

Last Frost Date

On average all chance of frost has passed is on January 31 in West Covina. You should expect an average low temperature of 30°F in the coldest months of winter.

Since the USDA zone info for West Covina is just an average the actual date of last frost will vary from year to year. Half of the time in West Covina last frost occurs after January 31 so just be sure to be ready to protect your blue lace flowers if you have a surprise late frost.

USDA Zone Info for West Covina

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 West Covina

You may be interested in your other planting guides for West Covina.