One of the first steps you take when you are figuring out 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.

It's a good idea to figure out when it's the best time to plant blue lace flowers by checking out the USDA zone info for Healdsburg.

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.

You can plant blue lace flowers a bit earlier in the year because they are one of those plants that can tolerate a tiny bit of cold weather.

The earliest that you can plant blue lace flowers in Healdsburg 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. You probably don't want to wait any later than that or else your blue lace flowers may not have a chance to really do well. Starting your blue lace flowers indoors is a great way to get them started a little bit earlier.

Last Frost Date

The average date of last frost is February 15 in Healdsburg. It might get as low as 25°F during the coldest months of winter.

Keep in mind that USDA zone info for Healdsburg is not always accurate and the actual date of last frost will vary from year to year. Half of the time in Healdsburg there is a last frost after February 15 so just be sure to be ready to cover your blue lace flowers in the event of one of those late frosts.

USDA Zone Info for Healdsburg

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 Healdsburg

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