When to Plant Aegopodium in Harlan, IA

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

One way of getting a good idea when to plant aegopodium is to consult the USDA zone info for Harlan.


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 quite a bit earlier in the year because they are very cold tolerant.

JanFebMarAprMayJunJulAugSepOctNovDec
Legend 
A good time to plant aegopodium
Possibly ok, but a risky time to plant aegopodium
Probably not a good time to plant aegopodium

The earliest that you can plant aegopodium in Harlan 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. If you wait any later than that and your aegopodium may not have a chance to really do well. Starting your aegopodium indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

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

Remember that the actual date of last frost may not be accurate from year to year because it is based on the USDA zone info for Harlan and it can change quite a bit from year to year. Since half of the time in Harlan it frosts late in the year after April 15 be ready to cover your aegopodium in the event of a surprise late frost.

USDA Zone Info for Harlan

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 Harlan

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