The USDA Zone info is a great tool for gardeners to help us estimate 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.

By referring to the USDA zone info for Louisville you should be able to figure out when it's possible to plant candytuft.

Planting Calendar for Candytuft

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

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

The earliest that you can plant candytuft in Louisville 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 candytuft and expect a good harvest is probably September. Any later than that and your candytuft may not have a chance to really do well. If you are starting your candytuft indoors then you might be able to get away with starting them a little bit earlier.

Last Frost Date

On average all chance of frost has passed is on April 15 in Louisville. It might get as low as -10°F during the coldest months of winter.

Since the USDA zone info for Louisville is an average the actual date of last frost will vary from year to year. Since half of the time in Louisville you get a frost after April 15 be ready to cover your candytuft if you have a late frost.

USDA Zone Info for Louisville

Here is the info for USDA Zone 6a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-10°F
Highest Expected Low	-5°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 -5°F.

Plants to Grow in Louisville

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