The USDA Zone info is a great tool for gardeners to help us determine your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The first opportunity to plant pennisetum in Rocklin can be figured out by referring to the USDA zone info.

Planting Calendar for Pennisetum

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

You can plant pennisetum just a tiny bit earlier in the year because they do ok in moderate cold.

The earliest that you can plant pennisetum in Rocklin 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 pennisetum and expect a good harvest is probably September. Any later than that and your pennisetum may not have a chance to really do well. Starting your pennisetum indoors is a great way to get them started a little bit earlier.

Last Frost Date

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

Since the USDA zone info for Rocklin is an average the actual date of last frost changes from year to year. Since half of the time in Rocklin last frost occurs after February 15 be ready to cover your pennisetum if you have a late frost.

USDA Zone Info for Rocklin

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 Rocklin

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