Before planting it is a good idea to find your USDA Zone info to figure out your garden schedule. 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 Walnut Creek can be looked at to figure out when it's the best time 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 are one of those plants that can tolerate a tiny bit of cold weather you can plant them just a tiny bit earlier in the year than plants that are more sensitive to the cold.

The earliest that you can plant blue lace flowers in Walnut Creek 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. If you wait any later than that and your blue lace flowers may not have a chance to fully mature. You can get started a couple of weeks earlier by starting your blue lace flowers indoors.

Last Frost Date

On average the last frost when the weather gets warmer is on February 15 in Walnut Creek. It might get as low as 25°F during the coldest months of winter.

Remember that the actual date of last frost is just an average because it is based on the USDA zone info for Walnut Creek and it can change quite a bit from year to year. Since half of the time in Walnut Creek you get a frost after February 15 be ready to protect your blue lace flowers in the event of a late frost.

USDA Zone Info for Walnut Creek

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 Walnut Creek

You may be interested in your other planting guides for Walnut Creek.