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.

By checking out the USDA zone info for Collinsville you will be able to estimate when to plant transvaal daisy.

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 are barely cold tolerant you can plant them slightly earlier in the year than other frost tender plants.

The earliest that you can plant transvaal daisy in Collinsville 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 couple of weeks earlier by starting your transvaal daisy indoors.

Last Frost Date

The average date of last frost is April 15 in Collinsville. You should expect an average low temperature of 0°F in the coldest months of winter.

Since the USDA zone info for Collinsville is not always accurate the actual date of last frost changes from year to year. Since half of the time in Collinsville last frost occurs after April 15 be ready to cover your transvaal daisy if you have one of those late frosts.

USDA Zone Info for Collinsville

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 Collinsville

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