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.

A common way of estimating when you can plant candytuft is to examine the USDA zone info for Altoona.

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 one of those plants that can tolerate a little bit of cold weather.

The earliest that you can plant candytuft in Altoona 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. Any later than that and your candytuft may not have a chance to fully mature. 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 May 15 in Altoona. You can expect an average low temperature of -25°F in the coldest months of winter.

It's important to remember that the actual date of last frost is an average because it is based on the USDA zone info for Altoona and it changes from year to year. Since half of the time in Altoona it frosts late in the year after May 15 be ready to cover your candytuft in the event of a late frost.

USDA Zone Info for Altoona

Here is the info for USDA Zone 4b.

Average Date of Last Frost (spring)	May 15
Average Date of First Frost (fall)	September 15
Lowest Expected Low	-25°F
Highest Expected Low	-20°F

This means that on a really cold year, the coldest it will get is -25°F. On most years you should be prepared to experience lows near -20°F.

Plants to Grow in Altoona

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