One of the best tools that you have as gardeners to help us determine your gardening schedule is the USDA zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

By looking at the USDA zone info for Altoona you should be able to estimate when to plant aegopodium.

Planting Calendar for Aegopodium

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

Aegopodium do well in cold weather which tells us that you can plant them much earlier in the year than other frost tender plants.

The earliest that you can plant aegopodium in Altoona 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 aegopodium and expect a good harvest is probably September. You probably don't want to wait any later than that or else your aegopodium may not have a chance to really do well. Starting your aegopodium indoors is a great way to get them started a few weeks earlier.

Last Frost Date

The average date of last frost is April 15 in Altoona. You can expect an average low temperature of -20°F in the coldest months of winter.

It's important to remember that USDA zone info for Altoona is an average and the actual date of last frost will vary from year to year. Half of the time in Altoona there is a last frost after April 15 so always be ready to cover your aegopodium in the event of a surprise late frost.

USDA Zone Info for Altoona

Here is the info for USDA Zone 5a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-20°F
Highest Expected Low	-15°F

This means that on a really cold year, the coldest it will get is -20°F. On most years you should be prepared to experience lows near -15°F.

Plants to Grow in Altoona

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