Before planting it is a good idea to find your USDA Zone info to figure out your garden schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

You will be able to estimate when it's possible to plant hardy hibiscus by reviewing the USDA zone info for Ashland.

Planting Calendar for Hardy Hibiscus

Frost tolerance for hardy hibiscus:	Very tolerant of frost.
When to plant:	Up to 7 weeks before last frost.

Since hardy hibiscus do well in cold you can plant them a lot earlier in the year than other frost tender plants.

The earliest that you can plant hardy hibiscus in Ashland 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 hardy hibiscus and expect a good harvest is probably September. You probably don't want to wait any later than that or else your hardy hibiscus may not have a chance to really do well. You can get started a little bit earlier by starting your hardy hibiscus indoors.

Last Frost Date

The average date of last frost is March 15 in Ashland. In the coldest months of winter you should expect an average low temperature of 10°F.

Since the USDA zone info for Ashland is just an average the actual date of last frost can change quite a bit from year to year. Half of the time in Ashland you get surprised by a frost after March 15 so make sure that you are ready to protect your hardy hibiscus in the event of a late frost.

USDA Zone Info for Ashland

Here is the info for USDA Zone 8a.

Average Date of Last Frost (spring)	March 15
Average Date of First Frost (fall)	November 15
Lowest Expected Low	10°F
Highest Expected Low	15°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 15°F.

Plants to Grow in Ashland

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