One of the best tools that you have as gardeners to help us determine 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.

In Ashland you can determine when it's possible to plant snow-in summer by looking at the USDA zone info.

Planting Calendar for Snow-in Summer

Frost tolerance for snow-in summer:	Tolerant of some frost.
When to plant:	Up to 5 weeks before last frost.

Since snow-in summer are one of those plants that can tolerate a little bit of cold weather you can plant them a little earlier in the year than other frost tender plants.

The earliest that you can plant snow-in summer in Ashland 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 snow-in summer and expect a good harvest is probably August. If you wait any later than that and your snow-in summer may not have a chance to grow to maturity. Starting your snow-in summer indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

In Ashland the average date of last frost happens on May 15. In the coldest months of winter you can expect an average low temperature of -25°F.

Remember that the actual date of last frost is just an average because it is based on the USDA zone info for Ashland and it changes from year to year. Half of the time in Ashland last frost occurs after May 15 so make sure that you are prepared to protect your snow-in summer if you have one of those late frosts.

USDA Zone Info for Ashland

Here is the info for USDA Zone 4b.

Average Date of Last Frost (spring)	May 15
Average Date of First Frost (fall)	September 15
Lowest Expected Low	-25°F
Highest Expected Low	-20°F

This means that on a really cold year, the coldest it will get is -25°F. On most years you should be prepared to experience lows near -20°F.

Plants to Grow in Ashland

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