One of the first steps you take when you are getting a good idea your gardening schedule is find your USDA Zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

In Herndon you can estimate when it's possible to plant transvaal daisy by checking out 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.

Transvaal Daisy do well in some cold which means that you can plant them just a tiny bit earlier in the year than other frost tender plants.

The earliest that you can plant transvaal daisy in Herndon 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. If you wait 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

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

Always keep in mind that USDA zone info for Herndon is not always accurate and the actual date of last frost can change quite a bit from year to year. Half of the time in Herndon last frost occurs after April 15 so be sure to be ready to cover your transvaal daisy in the event of a surprise late frost.

USDA Zone Info for Herndon

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 Herndon

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