One of the best tools that you have as gardeners to help us determine your gardening schedule is the USDA zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

By referring to the USDA zone info for Hempstead you should be able to figure out when it's the best time to plant amaranthus.

Planting Calendar for Amaranthus

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

Since amaranthus are not cold tolerant you must wait until after all chance of frost has passed before you can plant them.

The earliest that you can plant amaranthus in Hempstead 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 really do well. Starting your amaranthus indoors is a great way to get them started a little bit earlier.

Last Frost Date

On average the last frost has passed is on February 15 in Hempstead. In the coldest months of winter you can expect an average low temperature of 20°F.

Since the USDA zone info for Hempstead is just an average the actual date of last frost is different every year. Since half of the time in Hempstead there is a last frost after February 15 be ready to cover your amaranthus in the event of one of those late frosts.

USDA Zone Info for Hempstead

Here is the info for USDA Zone 9a.

Average Date of Last Frost (spring)	February 15
Average Date of First Frost (fall)	December 15
Lowest Expected Low	20°F
Highest Expected Low	25°F

This means that on a really cold year, the coldest it will get is 20°F. On most years you should be prepared to experience lows near 25°F.

Plants to Grow in Hempstead

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