Before planting it is a good idea to find your USDA Zone info to figure out your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The USDA zone info for Greenfield can be looked at to estimate when to plant artichokes.

Planting Calendar for Artichokes

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

You can plant artichokes a little earlier in the year because they are one of those plants that can tolerate a little bit of cold weather.

The earliest that you can plant artichokes in Greenfield 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 Greenfield. You can expect an average low temperature of 20°F in the coldest months of winter.

Just be sure to remember that USDA zone info for Greenfield is just an average and the actual date of last frost will vary from year to year. Since half of the time in Greenfield it frosts late in the year after February 15 be ready to protect your artichokes if you have one of those late frosts.

USDA Zone Info for Greenfield

Here is the info for USDA Zone 9a.

Average Date of Last Frost (spring)	February 15
Average Date of First Frost (fall)	December 15
Lowest Expected Low	20°F
Highest Expected Low	25°F

This means that on a really cold year, the coldest it will get is 20°F. On most years you should be prepared to experience lows near 25°F.

Plants to Grow in Greenfield

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