When to Plant Artemesia in Union City, CA

One of the first steps you take when you are getting a good idea 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.

You should be able to estimate when you can plant artemesia by using the USDA zone info for Union City.


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.

Since artemesia do ok in moderate cold you can plant them just a tiny bit earlier in the year than plants that are more sensitive to the cold.

JanFebMarAprMayJunJulAugSepOctNovDec
Legend 
A good time to plant artemesia
Possibly ok, but a risky time to plant artemesia
Probably not a good time to plant artemesia

The earliest that you can plant artemesia in Union 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 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 fully mature. If you are starting your artemesia indoors then you might be able to get away with starting them a little bit earlier.

Last Frost Date

The average date of last frost is January 31 in Union City. In the coldest months of winter you can expect an average low temperature of 30°F.

Since the USDA zone info for Union City may not be accurate from year to year the actual date of last frost can change quite a bit from year to year. Since half of the time in Union City last frost occurs after January 31 be ready to protect your artemesia in the event of a late frost.

USDA Zone Info for Union City

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 Low30°F
Highest Expected Low35°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 Union City

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