Before planting it is a good idea to find your USDA Zone info to determine 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.

You can determine when you can plant aegopodium in Riverton by reviewing the USDA zone info.

Planting Calendar for Aegopodium

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

You can plant aegopodium a lot earlier in the year because they are very cold tolerant.

The earliest that you can plant aegopodium in Riverton 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 aegopodium and expect a good harvest is probably August. You probably don't want to wait any later than that or else your aegopodium may not have a chance to fully mature. If you are starting your aegopodium indoors then you might be able to get away with starting them a few weeks earlier.

Last Frost Date

The average date of last frost is May 15 in Riverton. It might get as low as -25°F during the coldest months of winter.

Keep in mind that USDA zone info for Riverton is just an average and the actual date of last frost is different every year. Half of the time in Riverton you get a frost after May 15 so make sure that you are prepared to protect your aegopodium in the event of a surprise late frost.

USDA Zone Info for Riverton

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 Riverton

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