One of the first steps you take when you are estimating 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.

The USDA zone info for Columbus can be looked at to estimate when it's a good idea 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.

Candytuft tend to make it in some cold which tells us that you can plant them just a bit earlier in the year than other plants that might not handle the cold.

The earliest that you can plant candytuft in Columbus 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. You can get started a few weeks earlier by starting your candytuft indoors.

Last Frost Date

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

Remember that USDA zone info for Columbus is just an average and the actual date of last frost changes from year to year. Half of the time in Columbus it frosts late in the year after April 15 so make sure that you are prepared to cover your candytuft in the event of a surprise late frost.

USDA Zone Info for Columbus

Here is the info for USDA Zone 5b.

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

This means that on a really cold year, the coldest it will get is -15°F. On most years you should be prepared to experience lows near -10°F.

Plants to Grow in Columbus

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