One of the first steps you take when you are determining 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.

You will be able to estimate when it's a good idea to plant nasturtium by checking out the USDA zone info for Danville.

Planting Calendar for Nasturtium

Frost tolerance for nasturtium:	Not tolerant of frost.
When to plant:	After all chance of frost has passed.

It's probably a bad idea to plant nasturtium until after the last frost when the weather gets warmer because they are not cold tolerant.

The earliest that you can plant nasturtium in Danville 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 nasturtium and expect a good harvest is probably August. Any later than that and your nasturtium may not have a chance to really do well. You can get started a little bit earlier by starting your nasturtium indoors.

Last Frost Date

In Danville 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.

It's important to remember that the actual date of last frost may not be accurate from year to year because it is based on the USDA zone info for Danville and it will vary from year to year. Since half of the time in Danville last frost occurs after April 15 be ready to cover your nasturtium if you have a surprise late frost.

USDA Zone Info for Danville

Here is the info for USDA Zone 7b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	5°F
Highest Expected Low	10°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 10°F.

Plants to Grow in Danville

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