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.

By looking at the USDA zone info for Clearlake it's a good idea to determine when it's the best time to plant scallions.

Planting Calendar for Scallions

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

Scallions do ok in moderate cold which means that you can plant them slightly earlier than more sensitive plants.

The earliest that you can plant scallions in Clearlake 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 scallions and expect a good harvest is probably August. You probably don't want to wait any later than that or else your scallions may not have a chance to really do well. If you are starting your scallions indoors then you might be able to get away with starting them a few weeks earlier.

Last Frost Date

In Clearlake the average date of last frost happens on March 15. It might get as low as 15°F during the coldest months of winter.

Since the USDA zone info for Clearlake is just an average the actual date of last frost changes from year to year. Since half of the time in Clearlake you get surprised by a frost after March 15 be ready to protect your scallions in the event of a late frost.

USDA Zone Info for Clearlake

Here is the info for USDA Zone 8b.

Average Date of Last Frost (spring)	March 15
Average Date of First Frost (fall)	November 15
Lowest Expected Low	15°F
Highest Expected Low	20°F

This means that on a really cold year, the coldest it will get is 15°F. On most years you should be prepared to experience lows near 20°F.

Plants to Grow in Clearlake

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