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.

It's possible to figure out when to plant skullcap by referring to the USDA zone info for Norwalk.

Planting Calendar for Skullcap

Frost tolerance for skullcap:	Not tolerant of frost.
When to plant:	After all chance of frost has passed.

Since skullcap do not do well in cold weather you need to wait until after the last frost has passed before you can plant them.

The earliest that you can plant skullcap in Norwalk 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 skullcap and expect a good harvest is probably September. Any later than that and your skullcap may not have a chance to fully mature. Starting your skullcap indoors is a great way to get them started a little bit earlier.

Last Frost Date

The average date of last frost is January 31 in Norwalk. You should expect an average low temperature of 35°F in the coldest months of winter.

Since the USDA zone info for Norwalk may not be accurate from year to year the actual date of last frost will vary from year to year. Since half of the time in Norwalk last frost occurs after January 31 be ready to cover your skullcap if you have a surprise late frost.

USDA Zone Info for Norwalk

Here is the info for USDA Zone 10b.

Average Date of Last Frost (spring)	January 31
Average Date of First Frost (fall)	December 15
Lowest Expected Low	35°F
Highest Expected Low	40°F

This means that on a really cold year, the coldest it will get is 35°F. On most years you should be prepared to experience lows near 40°F.

Plants to Grow in Norwalk

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