One of the best tools that you have as gardeners to help us estimate your gardening schedule is the USDA zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

In Tustin you can determine when it's possible to plant pennisetum 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.

Pennisetum can survive in mild cold which tells us that you can plant them just a tiny bit earlier in the year than other plants that might not handle the cold.

The earliest that you can plant pennisetum in Tustin 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 fully mature. You can get started a couple of weeks earlier by starting your pennisetum indoors.

Last Frost Date

On average the last frost is on January 31 in Tustin. You can expect an average low temperature of 30°F in the coldest months of winter.

Just be sure to remember that USDA zone info for Tustin may not be accurate from year to year and the actual date of last frost is different every year. Since half of the time in Tustin it frosts late in the year after January 31 be ready to cover your pennisetum in the event of a surprise late frost.

USDA Zone Info for Tustin

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 Tustin

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