Before planting it is a good idea to find your USDA Zone info to estimate your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

A way of getting a good idea when to plant sweet williams is to consult the USDA zone info for Fernley.

Planting Calendar for Sweet Williams

Frost tolerance for sweet williams:	Tolerant of some frost.
When to plant:	Up to 5 weeks before last frost.

Sweet Williams do well in moderate cold which tells us that you can start planting them earlier than other frost tender plants.

The earliest that you can plant sweet williams in Fernley is February. However, you really should wait until March if you don't want to take any chances.

The last month that you can plant sweet williams and expect a good harvest is probably September. If you wait any later than that and your sweet williams may not have a chance to really do well. Starting your sweet williams indoors is a great way to get them started a few weeks earlier.

Last Frost Date

On average the last frost has passed is on April 15 in Fernley. 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 Fernley may not be accurate from year to year and the actual date of last frost is different every year. Since half of the time in Fernley you get surprised by a frost after April 15 be ready to cover your sweet williams if you have a surprise late frost.

USDA Zone Info for Fernley

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 Fernley

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