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 lysimachia in Corbin should be figured out by reviewing the USDA zone info.

Planting Calendar for Lysimachia

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

You can plant lysimachia a little earlier in the year because they are moderately cold tolerant.

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

Last Frost Date

The average date of last frost is April 15 in Corbin. You should expect an average low temperature of -5°F in the coldest months of winter.

Keep in mind that the actual date of last frost is just an average because it is based on the USDA zone info for Corbin and it can change quite a bit from year to year. Half of the time in Corbin you get a frost after April 15 so make sure that you are ready to protect your lysimachia in the event of a surprise late frost.

USDA Zone Info for Corbin

Here is the info for USDA Zone 6b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-5°F
Highest Expected Low	0°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 0°F.

Plants to Grow in Corbin

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