One of the first steps you take when you are determining your gardening schedule is find your USDA Zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

In Ashland you can determine when it's the best time to plant doronicum by referring to the USDA zone info.

Planting Calendar for Doronicum

Frost tolerance for doronicum:	Tolerant of some frost.
When to plant:	Up to 5 weeks before last frost.

Since doronicum do well in moderate cold you can plant them a bit earlier in the year than other plants that might not handle the cold.

The earliest that you can plant doronicum 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 doronicum and expect a good harvest is probably September. Any later than that and your doronicum may not have a chance to fully mature. You can get started a couple of weeks earlier by starting your doronicum indoors.

Last Frost Date

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

It's important to remember that USDA zone info for Ashland is an average and the actual date of last frost is different every 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 doronicum if you have a surprise 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.