When to Plant Pennisetum in Pleasanton, CA

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

It's a good idea to figure out when you can plant pennisetum by referring to the USDA zone info for Pleasanton.


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 are barely cold tolerant.

JanFebMarAprMayJunJulAugSepOctNovDec
Legend 
A good time to plant pennisetum
Possibly ok, but a risky time to plant pennisetum
Probably not a good time to plant pennisetum

The earliest that you can plant pennisetum in Pleasanton 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. You probably don't want to wait any later than that or else your pennisetum may not have a chance to grow to maturity. If you are starting your pennisetum indoors then you might be able to get away with starting them a few weeks earlier.

Last Frost Date

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

Remember that the actual date of last frost is not always accurate because it is based on the USDA zone info for Pleasanton and it will vary from year to year. Since half of the time in Pleasanton last frost occurs after February 15 be ready to protect your pennisetum in the event of a surprise late frost.

USDA Zone Info for Pleasanton

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 Low25°F
Highest Expected Low30°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 Pleasanton

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