The USDA Zone info is a great tool for gardeners to help us estimate your gardening schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

The USDA zone info for Rosemead can be looked at to estimate when to plant artemesia.

Planting Calendar for Artemesia

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

You can plant artemesia a bit earlier in the year because they are barely cold tolerant.

The earliest that you can plant artemesia in Rosemead 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 artemesia and expect a good harvest is probably September. You probably don't want to wait any later than that or else your artemesia may not have a chance to really do well. You can get started a little bit earlier by starting your artemesia indoors.

Last Frost Date

On average the last frost has passed is on January 31 in Rosemead. In the coldest months of winter you should expect an average low temperature of 30°F.

Since the USDA zone info for Rosemead is just an average the actual date of last frost is different every year. Half of the time in Rosemead last frost occurs after January 31 so make sure that you are prepared to protect your artemesia in the event of one of those late frosts.

USDA Zone Info for Rosemead

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 Rosemead

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