The USDA Zone info is a great tool for gardeners to help us determine your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

It's possible to determine when it's a good idea to plant candytuft by using the USDA zone info for Pella.

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 Pella 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. If you wait any later than that and 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 little bit earlier.

Last Frost Date

The average date of last frost is April 15 in Pella. It might get as low as -15°F during the coldest months of winter.

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

USDA Zone Info for Pella

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 Pella

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