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.

By referring to the USDA zone info for Altoona it's a good idea to determine when you can plant new zealand spinach.

Planting Calendar for New Zealand spinach

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

New Zealand spinach do ok in mild cold which means that you can plant them just a bit earlier in the year than other frost tender plants.

The earliest that you can plant new zealand spinach 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 new zealand spinach and expect a good harvest is probably August. If you wait any later than that and your new zealand spinach may not have a chance to fully mature. If you are starting your new zealand spinach 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. In the coldest months of winter you can expect an average low temperature of -25°F.

Just be sure to remember that USDA zone info for Altoona is just an average and the actual date of last frost will vary from year to year. Since half of the time in Altoona you get a frost after May 15 be ready to protect your new zealand spinach 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.