One of the best tools that you have as gardeners to help us determine your gardening schedule is the USDA zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

You should be able to determine when you can plant sweet williams by looking at the USDA zone info for Leland.

Planting Calendar for Sweet Williams

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

Since sweet williams do well in moderate cold you can plant them a little earlier in the year than other frost tender plants.

The earliest that you can plant sweet williams in Leland 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. Any later than that and your sweet williams may not have a chance to fully mature. If you are starting your sweet williams indoors then you might be able to get away with starting them a few weeks earlier.

Last Frost Date

On average the last frost has passed is on March 15 in Leland. In the coldest months of winter you can expect an average low temperature of 10°F.

Remember that USDA zone info for Leland may not be accurate from year to year and the actual date of last frost changes from year to year. Half of the time in Leland you get a frost after March 15 so make sure that you are ready to cover your sweet williams if you have one of those late frosts.

USDA Zone Info for Leland

Here is the info for USDA Zone 8a.

Average Date of Last Frost (spring)	March 15
Average Date of First Frost (fall)	November 15
Lowest Expected Low	10°F
Highest Expected Low	15°F

This means that on a really cold year, the coldest it will get is 10°F. On most years you should be prepared to experience lows near 15°F.

Plants to Grow in Leland

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