One of the first steps you take when you are estimating 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 figure out when you can plant fountain grass by looking at the USDA zone info.

Planting Calendar for Fountain Grass

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

You can plant fountain grass just a tiny bit earlier in the year because they are barely cold tolerant.

The earliest that you can plant fountain grass 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 fountain grass and expect a good harvest is probably August. Any later than that and your fountain grass may not have a chance to really do well. You can get started a few weeks earlier by starting your fountain grass indoors.

Last Frost Date

On average the last frost when the weather gets warmer is on April 15 in Herndon. It might get as low as 0°F during the coldest months of winter.

Always keep in mind that the actual date of last frost is just an average because it is based on the USDA zone info for Herndon and it changes from year to year. Half of the time in Herndon you get surprised by a frost after April 15 so make sure that you are prepared to cover your fountain grass if you have 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.