One of the best tools that you have as gardeners to help us determine your gardening schedule is the USDA zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

In Hawthorne you can determine when you can plant xerianthemum by referring to the USDA zone info.

Planting Calendar for Xerianthemum

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

Xerianthemum can survive in some cold which tells us that you can plant them a bit earlier in the year than plants that are more sensitive to the cold.

The earliest that you can plant xerianthemum in Hawthorne 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 xerianthemum and expect a good harvest is probably September. Any later than that and your xerianthemum may not have a chance to really do well. You can get started a few weeks earlier by starting your xerianthemum indoors.

Last Frost Date

In Hawthorne the average date of last frost happens on January 31. You can expect an average low temperature of 35°F in the coldest months of winter.

Remember that USDA zone info for Hawthorne is not always accurate and the actual date of last frost will vary from year to year. Since half of the time in Hawthorne last frost occurs after January 31 be ready to protect your xerianthemum if you have one of those late frosts.

USDA Zone Info for Hawthorne

Here is the info for USDA Zone 10b.

Average Date of Last Frost (spring)	January 31
Average Date of First Frost (fall)	December 15
Lowest Expected Low	35°F
Highest Expected Low	40°F

This means that on a really cold year, the coldest it will get is 35°F. On most years you should be prepared to experience lows near 40°F.

Plants to Grow in Hawthorne

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