The USDA Zone info is a great tool for gardeners to help us determine your gardening schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

The best time to plant xerianthemum in Dardanelle should be estimated by using the USDA zone info.

Planting Calendar for Xerianthemum

Frost tolerance for xerianthemum:	Tolerant of a very small amount of frost.
When to plant:	Up to 3 weeks before last frost.

Xerianthemum do ok in moderate cold which means that you can start planting them slightly earlier than plants that are more sensitive to the cold.

The earliest that you can plant xerianthemum in Dardanelle 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 xerianthemum and expect a good harvest is probably August. If you wait any later than that and your xerianthemum may not have a chance to really do well. Starting your xerianthemum indoors is a great way to get them started a little bit earlier.

Last Frost Date

In Dardanelle the average date of last frost happens on April 15. In the coldest months of winter you should expect an average low temperature of 5°F.

Since the USDA zone info for Dardanelle may not be accurate from year to year the actual date of last frost can change quite a bit from year to year. Since half of the time in Dardanelle you get surprised by a frost after April 15 be ready to protect your xerianthemum in the event of a late frost.

USDA Zone Info for Dardanelle

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 Dardanelle

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