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.

A common way of figuring out when it's the best time to plant artemesia is to use the USDA zone info for Penns Grove.

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.

Artemesia do ok in mild cold which tells us that you can plant them a bit earlier in the year than other frost tender plants.

The earliest that you can plant artemesia in Penns Grove is March. However, you really should wait until April if you don't want to take any chances.

The last month that you can plant artemesia and expect a good harvest is probably August. Any later than that and your artemesia may not have a chance to really do well. Starting your artemesia indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

On average the last frost has passed is on April 15 in Penns Grove. It might get as low as 5°F during the coldest months of winter.

Remember that USDA zone info for Penns Grove may not be accurate from year to year and the actual date of last frost can change quite a bit from year to year. Since half of the time in Penns Grove you get a frost after April 15 be ready to cover your artemesia in the event of one of those late frosts.

USDA Zone Info for Penns Grove

Here is the info for USDA Zone 7b.

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

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

Plants to Grow in Penns Grove

You may be interested in your other planting guides for Penns Grove.