When to Plant Amaranthus in Brea, CA

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

The first opportunity to plant amaranthus in Brea should be determined by checking out the USDA zone info.


Planting Calendar for Amaranthus

Frost tolerance for amaranthus: Not tolerant of frost.
When to plant: After all chance of frost has passed.

Amaranthus require warm weather which means that it's necessary to wait until it warms up after the last frost when the weather gets warmer before you can plant them.

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

The earliest that you can plant amaranthus in Brea 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 amaranthus and expect a good harvest is probably September. If you wait any later than that and your amaranthus may not have a chance to grow to maturity. You can get started a couple of weeks earlier by starting your amaranthus indoors.

Last Frost Date

In Brea the average date of last frost happens on January 31. In the coldest months of winter you should expect an average low temperature of 30°F.

Since the USDA zone info for Brea may not be accurate from year to year the actual date of last frost is different every year. Since half of the time in Brea there is a last frost after January 31 be ready to protect your amaranthus in the event of a late frost.

USDA Zone Info for Brea

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 Brea

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