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

You can determine when you can plant chervil in Millbrae by referring to the USDA zone info.

Planting Calendar for Chervil

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

Chervil do ok in moderate cold which tells us that you can start planting them slightly earlier than plants that are more sensitive to the cold.

The earliest that you can plant chervil in Millbrae 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 chervil and expect a good harvest is probably September. If you wait any later than that and your chervil may not have a chance to grow to maturity. You can get started a few weeks earlier by starting your chervil indoors.

Last Frost Date

The average date of last frost is January 31 in Millbrae. It might get as low as 30°F during the coldest months of winter.

Since the USDA zone info for Millbrae may not be accurate from year to year the actual date of last frost can change quite a bit from year to year. Since half of the time in Millbrae there is a last frost after January 31 be ready to cover your chervil if you have a surprise late frost.

USDA Zone Info for Millbrae

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 Millbrae

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