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 possible to determine when you can plant blue lace flowers by using the USDA zone info for Bullhead City.

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.

Blue Lace Flowers do well in a tiny bit of cold which tells us that you can plant them a bit earlier in the year than other plants that might not handle the cold.

The earliest that you can plant blue lace flowers in Bullhead City 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. If you are starting your blue lace flowers indoors then you might be able to get away with starting them a couple of weeks earlier.

Last Frost Date

On average the last frost is on February 15 in Bullhead City. 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 Bullhead City may not be accurate from year to year and the actual date of last frost can change quite a bit from year to year. Half of the time in Bullhead City last frost occurs after February 15 so make sure that you are prepared to cover your blue lace flowers if you have a surprise late frost.

USDA Zone Info for Bullhead City

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 Bullhead City

You may be interested in your other planting guides for Bullhead City.