One of the best tools that you have as gardeners to help us estimate your gardening schedule is the 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 Gladstone should be used to estimate when it's possible to plant artemesia.

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.

You can plant artemesia a bit earlier in the year because they do ok in moderate cold.

The earliest that you can plant artemesia in Gladstone 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 when the weather gets warmer is on March 15 in Gladstone. It might get as low as 15°F during the coldest months of winter.

Always keep in mind that USDA zone info for Gladstone may not be accurate from year to year and the actual date of last frost is different every year. Since half of the time in Gladstone it frosts late in the year after March 15 be ready to protect your artemesia if you have a late frost.

USDA Zone Info for Gladstone

Here is the info for USDA Zone 8b.

Average Date of Last Frost (spring)	March 15
Average Date of First Frost (fall)	November 15
Lowest Expected Low	15°F
Highest Expected Low	20°F

This means that on a really cold year, the coldest it will get is 15°F. On most years you should be prepared to experience lows near 20°F.

Plants to Grow in Gladstone

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