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 should be able to estimate when it's possible to plant sweet williams by referring to the USDA zone info for Solana Beach.

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 can survive in mild cold which means that you can plant them a little bit earlier in the year than other plants that might not handle the cold.

The earliest that you can plant sweet williams in Solana Beach is January. However, you really should wait until February 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 October. Any later than that and your sweet williams may not have a chance to really do well. You can get started a few weeks earlier by starting your sweet williams indoors.

Last Frost Date

The average date of last frost is January 31 in Solana Beach. You can expect an average low temperature of 30°F in the coldest months of winter.

Since the USDA zone info for Solana Beach may not be accurate from year to year the actual date of last frost will vary from year to year. Half of the time in Solana Beach you get surprised by a frost after January 31 so be sure to be ready to cover your sweet williams if you have a surprise late frost.

USDA Zone Info for Solana Beach

Here is the info for USDA Zone 10a.

Average Date of Last Frost (spring)	January 31
Average Date of First Frost (fall)	December 15
Lowest Expected Low	30°F
Highest Expected Low	35°F

This means that on a really cold year, the coldest it will get is 30°F. On most years you should be prepared to experience lows near 35°F.

Plants to Grow in Solana Beach

You may be interested in your other planting guides for Solana Beach.