One of the best tools that you have as gardeners to help us figure out 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.

The USDA zone info for Robinson can be used to figure out when it's possible 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 just a bit 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 Robinson 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 artichokes and expect a good harvest is probably September. If you wait any later than that and your artichokes may not have a chance to really do well. Starting your artichokes indoors is a great way to get them started a little bit earlier.

Last Frost Date

The average date of last frost is April 15 in Robinson. You should expect an average low temperature of -10°F in the coldest months of winter.

Always keep in mind that the actual date of last frost is an average because it is based on the USDA zone info for Robinson and it changes from year to year. Half of the time in Robinson you get a frost after April 15 so make sure that you are ready to cover your artichokes in the event of one of those late frosts.

USDA Zone Info for Robinson

Here is the info for USDA Zone 6a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-10°F
Highest Expected Low	-5°F

This means that on a really cold year, the coldest it will get is -10°F. On most years you should be prepared to experience lows near -5°F.

Plants to Grow in Robinson

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