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.

One way of figuring out when it's possible to plant candytuft is to use the USDA zone info for Columbia.

Planting Calendar for Candytuft

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

Candytuft do well in moderate cold which tells us that you can plant them a little bit earlier in the year than other plants that might not handle the cold.

The earliest that you can plant candytuft in Columbia 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. You probably don't want to wait any later than that or else your candytuft may not have a chance to grow to maturity. You can get started a little bit earlier by starting your candytuft indoors.

Last Frost Date

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

Since the USDA zone info for Columbia is not always accurate the actual date of last frost will vary from year to year. Since half of the time in Columbia it frosts late in the year after April 15 be ready to cover your candytuft in the event of one of those late frosts.

USDA Zone Info for Columbia

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 Columbia

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