Before planting it is a good idea to find your USDA Zone info to estimate your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The USDA zone info for Shasta Lake should be used to determine when it's a good idea to plant amaranthus.

Planting Calendar for Amaranthus

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

Amaranthus are not cold tolerant which means that you really should wait until it warms up after the last frost before you can plant them.

The earliest that you can plant amaranthus in Shasta Lake is March. However, you really should wait until April 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 fully mature. If you are starting your amaranthus indoors then you might be able to get away with starting them a little bit earlier.

Last Frost Date

On average all chance of frost has passed is on February 15 in Shasta Lake. You can expect an average low temperature of 25°F in the coldest months of winter.

Just be sure to remember that USDA zone info for Shasta Lake is just an average and the actual date of last frost can change quite a bit from year to year. Half of the time in Shasta Lake you get a frost after February 15 so make sure that you are ready to protect your amaranthus in the event of one of those late frosts.

USDA Zone Info for Shasta Lake

Here is the info for USDA Zone 9b.

Average Date of Last Frost (spring)	February 15
Average Date of First Frost (fall)	December 15
Lowest Expected Low	25°F
Highest Expected Low	30°F

This means that on a really cold year, the coldest it will get is 25°F. On most years you should be prepared to experience lows near 30°F.

Plants to Grow in Shasta Lake

You may be interested in your other planting guides for Shasta Lake.