Before planting it is a good idea to find your USDA Zone info to figure out your garden schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

In Altoona you can estimate when you can plant maltese cross by referring to the USDA zone info.

Planting Calendar for Maltese Cross

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

Maltese Cross are moderately cold tolerant which means that you can plant them a little bit earlier than more sensitive plants.

The earliest that you can plant maltese cross 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 maltese cross and expect a good harvest is probably August. You probably don't want to wait any later than that or else your maltese cross may not have a chance to fully mature. You can get started a couple of weeks earlier by starting your maltese cross indoors.

Last Frost Date

On average all chance of frost has passed is on May 15 in Altoona. It might get as low as -25°F during the coldest months of winter.

Since the USDA zone info for Altoona is not always accurate the actual date of last frost can change quite a bit from year to year. Half of the time in Altoona last frost occurs after May 15 so make sure that you are ready to protect your maltese cross in the event of one of those late frosts.

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.