The USDA Zone info is a great tool for gardeners to help us estimate your gardening 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 making a decision about when you can plant aegopodium is to examine the USDA zone info for Columbia.

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 which tells us that you can get them planted much earlier than more sensitive plants.

The earliest that you can plant aegopodium in Columbia 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. Any later than that and your aegopodium may not have a chance to grow to maturity. You can get started a few weeks earlier by starting your aegopodium indoors.

Last Frost Date

The average date of last frost is April 15 in Columbia. It might get as low as -5°F during the coldest months of winter.

Since the USDA zone info for Columbia is just an average the actual date of last frost will vary from year to year. Since half of the time in Columbia you get a frost after April 15 be ready to cover your aegopodium if you have one of those late frosts.

USDA Zone Info for Columbia

Here is the info for USDA Zone 6b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-5°F
Highest Expected Low	0°F

This means that on a really cold year, the coldest it will get is -5°F. On most years you should be prepared to experience lows near 0°F.

Plants to Grow in Columbia

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