One of the first steps you take when you are determining your gardening schedule is find your USDA Zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The first chance to plant amaranthus in Downey can be determined by using the USDA zone info.

Planting Calendar for Amaranthus

Frost tolerance for amaranthus:	Not tolerant of frost.
When to plant:	After the last frost.

Amaranthus are not cold tolerant which tells us that you must wait until it warms up after the last frost before you can plant them.

The earliest that you can plant amaranthus in Downey 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 little bit earlier by starting your amaranthus indoors.

Last Frost Date

On average the last frost is on January 31 in Downey. You can expect an average low temperature of 35°F in the coldest months of winter.

Since the USDA zone info for Downey is just an average the actual date of last frost can change quite a bit from year to year. Half of the time in Downey you get a frost after January 31 so be sure to be ready to protect your amaranthus in the event of one of those late frosts.

USDA Zone Info for Downey

Here is the info for USDA Zone 10b.

Average Date of Last Frost (spring)	January 31
Average Date of First Frost (fall)	December 15
Lowest Expected Low	35°F
Highest Expected Low	40°F

This means that on a really cold year, the coldest it will get is 35°F. On most years you should be prepared to experience lows near 40°F.

Plants to Grow in Downey

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