One of the first steps you take when you are estimating your gardening schedule is find your 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.

The USDA zone info for Needles can be reviewed to estimate when you can plant artichokes.

Planting Calendar for Artichokes

Frost tolerance for artichokes:	Tolerant of some frost.
When to plant:	Up to 5 weeks before last frost.

Since artichokes are moderately cold tolerant you can plant them just a bit earlier in the year than other plants that might not handle the cold.

The earliest that you can plant artichokes in Needles is January. However, you really should wait until February if you don't want to take any chances.

The last month that you can plant artichokes and expect a good harvest is probably October. If you wait any later than that and your artichokes may not have a chance to fully mature. You can get started a little bit earlier by starting your artichokes indoors.

Last Frost Date

The average date of last frost is February 15 in Needles. In the coldest months of winter you can expect an average low temperature of 25°F.

Since the USDA zone info for Needles is just an average the actual date of last frost can change quite a bit from year to year. Half of the time in Needles there is a last frost after February 15 so be sure to be ready to protect your artichokes if you have a late frost.

USDA Zone Info for Needles

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 Needles

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