Before planting it is a good idea to find your USDA Zone info to figure out your garden schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

A common way of estimating when it's the best time to plant skullcap is to look at the USDA zone info for Tulare.

Planting Calendar for Skullcap

Frost tolerance for skullcap:	Not tolerant of frost.
When to plant:	After the last frost when the weather gets warmer.

It's probably a bad idea to plant skullcap until after the last frost has passed because they are not cold tolerant.

The earliest that you can plant skullcap in Tulare 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 skullcap and expect a good harvest is probably September. If you wait any later than that and your skullcap may not have a chance to fully mature. You can get started a little bit earlier by starting your skullcap indoors.

Last Frost Date

The average date of last frost is February 15 in Tulare. You can expect an average low temperature of 25°F in the coldest months of winter.

Since the USDA zone info for Tulare is just an average the actual date of last frost will vary from year to year. Since half of the time in Tulare there is a last frost after February 15 be ready to protect your skullcap if you have a surprise late frost.

USDA Zone Info for Tulare

Here is the info for USDA Zone 9b.

Average Date of Last Frost (spring)	February 15
Average Date of First Frost (fall)	December 15
Lowest Expected Low	25°F
Highest Expected Low	30°F

This means that on a really cold year, the coldest it will get is 25°F. On most years you should be prepared to experience lows near 30°F.

Plants to Grow in Tulare

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