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When to Plant Ornamental Grasses in Whittier, CA

One of the best tools that you have as gardeners to help us determine your gardening schedule is the 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 earliest that you can plant ornamental grasses in Whittier can be determined by checking out the USDA zone info.

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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 slightly earlier in the year because they are one of those plants that can tolerate a tiny bit of cold weather.

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

The earliest that you can plant ornamental grasses in Whittier 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 fully mature. You can get started a few weeks earlier by starting your ornamental grasses indoors.

Last Frost Date

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

Always keep in mind that the actual date of last frost is an average because it is based on the USDA zone info for Whittier and it can change quite a bit from year to year. Half of the time in Whittier it frosts late in the year after January 31 so always be ready to cover your ornamental grasses if you have a surprise late frost.

USDA Zone Info for Whittier

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 Low30°F
Highest Expected Low35°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 Whittier

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