The USDA Zone info is a great tool for gardeners to help us determine your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

A way of figuring out when it's the best time to plant swan river daisy is to refer to the USDA zone info for Columbia.

Planting Calendar for Swan River Daisy

Frost tolerance for swan river daisy:	Not tolerant of frost.
When to plant:	After the last frost when the weather gets warmer.

It's a bad idea to plant swan river daisy until after the last frost when the weather gets warmer because they require warm weather.

The earliest that you can plant swan river daisy in Columbia is April. However, you really should wait until May if you don't want to take any chances.

The last month that you can plant swan river daisy and expect a good harvest is probably August. If you wait any later than that and your swan river daisy may not have a chance to really do well. You can get started a little bit earlier by starting your swan river daisy indoors.

Last Frost Date

In Columbia the average date of last frost happens on April 15. You can expect an average low temperature of 0°F in the coldest months of winter.

Since the USDA zone info for Columbia may not be accurate from year to year 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 swan river daisy if you have one of those late frosts.

USDA Zone Info for Columbia

Here is the info for USDA Zone 7a.

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

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

Plants to Grow in Columbia

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