Before planting it is a good idea to find your USDA Zone info to estimate your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

You will be able to figure out when to plant candytuft by looking at the USDA zone info for Thief River Falls.

Planting Calendar for Candytuft

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

Since candytuft are moderately cold tolerant you can plant them a little bit earlier in the year than more sensitive plants.

The earliest that you can plant candytuft in Thief River Falls 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 candytuft and expect a good harvest is probably August. You probably don't want to wait any later than that or else your candytuft may not have a chance to grow to maturity. If you are starting your candytuft indoors then you might be able to get away with starting them a few weeks earlier.

Last Frost Date

On average all chance of frost has passed is on May 15 in Thief River Falls. It might get as low as -35°F during the coldest months of winter.

Just be sure to remember that USDA zone info for Thief River Falls is just an average and the actual date of last frost can change quite a bit from year to year. Half of the time in Thief River Falls you get a frost after May 15 so make sure that you are ready to cover your candytuft in the event of one of those late frosts.

USDA Zone Info for Thief River Falls

Here is the info for USDA Zone 3b.

Average Date of Last Frost (spring)	May 15
Average Date of First Frost (fall)	September 15
Lowest Expected Low	-35°F
Highest Expected Low	-30°F

This means that on a really cold year, the coldest it will get is -35°F. On most years you should be prepared to experience lows near -30°F.

Plants to Grow in Thief River Falls

You may be interested in your other planting guides for Thief River Falls.