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.

You can estimate when to plant amaranthus in South Pasadena by referring to the USDA zone info.

Planting Calendar for Amaranthus

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

It's probably not a good idea to plant amaranthus until after the last frost has passed because they do not do well in cold weather.

The earliest that you can plant amaranthus in South Pasadena 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. 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 when the weather gets warmer is on January 31 in South Pasadena. It might get as low as 30°F during the coldest months of winter.

It's important to remember that USDA zone info for South Pasadena is not always accurate and the actual date of last frost can change quite a bit from year to year. Since half of the time in South Pasadena you get surprised by a frost after January 31 be ready to cover your amaranthus in the event of one of those late frosts.

USDA Zone Info for South Pasadena

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 South Pasadena

You may be interested in your other planting guides for South Pasadena.