One of the first steps you take when you are making a decision about your gardening schedule is find your USDA Zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

The best time to plant pennisetum in Imperial can be estimated by checking out 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.

Since pennisetum do ok in moderate cold you can plant them slightly earlier in the year than plants that are more sensitive to the cold.

The earliest that you can plant pennisetum in Imperial 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. You can get started a few weeks earlier by starting your pennisetum indoors.

Last Frost Date

In Imperial the average date of last frost happens on January 31. It might get as low as 30°F during the coldest months of winter.

It's important to remember that USDA zone info for Imperial is not always accurate and the actual date of last frost can change quite a bit from year to year. Since half of the time in Imperial it frosts late in the year after January 31 be ready to protect your pennisetum if you have a late frost.

USDA Zone Info for Imperial

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 Imperial

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