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

You can estimate when it's a good idea to plant ornamental grasses in San Dimas by checking out the USDA zone info.

Planting Calendar for Ornamental Grasses

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

You can plant ornamental grasses a bit earlier in the year because they are barely cold tolerant.

The earliest that you can plant ornamental grasses in San Dimas 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 ornamental grasses and expect a good harvest is probably September. If you wait any later than that and your ornamental grasses may not have a chance to really do well. You can get started a couple of weeks earlier by starting your ornamental grasses indoors.

Last Frost Date

The average date of last frost is January 31 in San Dimas. In the coldest months of winter you can expect an average low temperature of 30°F.

Keep in mind that the actual date of last frost is not always accurate because it is based on the USDA zone info for San Dimas and it changes from year to year. Since half of the time in San Dimas it frosts late in the year after January 31 be ready to protect your ornamental grasses if you have one of those late frosts.

USDA Zone Info for San Dimas

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 San Dimas

You may be interested in your other planting guides for San Dimas.