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 estimate when it's a good idea to plant pea by looking at the USDA zone info for Altoona.

Planting Calendar for Pea

Frost tolerance for pea:	Very tolerant of frost.
When to plant:	Up to 7 weeks before last frost.

Pea do well in quite a bit of cold which means that you can plant them earlier in the year than plants that are more sensitive to the cold.

The earliest that you can plant pea 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 pea and expect a good harvest is probably August. If you wait any later than that and your pea may not have a chance to fully mature. Starting your pea indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

In Altoona the average date of last frost happens on May 15. You should expect an average low temperature of -25°F in the coldest months of winter.

Always keep in mind that USDA zone info for Altoona may not be accurate from year to year and the actual date of last frost is different every year. Since half of the time in Altoona last frost occurs after May 15 be ready to protect your pea if you have 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.