One of the best tools that you have as gardeners to help us figure out 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.

You can determine when to plant transvaal daisy in Columbia by looking at the USDA zone info.

Planting Calendar for Transvaal Daisy

Frost tolerance for transvaal daisy:	Tolerant of a very small amount of frost.
When to plant:	Up to 3 weeks before last frost.

Since transvaal daisy do ok in moderate cold you can plant them slightly earlier in the year than other frost tender plants.

The earliest that you can plant transvaal daisy in Columbia 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 transvaal daisy and expect a good harvest is probably August. Any later than that and your transvaal daisy may not have a chance to fully mature. You can get started a few weeks earlier by starting your transvaal daisy indoors.

Last Frost Date

In Columbia the average date of last frost happens on April 15. You should expect an average low temperature of -5°F in the coldest months of winter.

Always keep in mind that USDA zone info for Columbia is just an average and the actual date of last frost is different every year. Since half of the time in Columbia you get surprised by a frost after April 15 be ready to protect your transvaal daisy in the event of a surprise late frost.

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.