Before planting it is a good idea to find your USDA Zone info to figure out your garden schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

You should be able to figure out when it's the best time to plant amaranthus by referring to the USDA zone info for Old Westbury.

Planting Calendar for Amaranthus

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

Since amaranthus require warm weather you must wait until after all chance of frost has passed before you can plant them.

The earliest that you can plant amaranthus in Old Westbury is April. However, you really should wait until May if you don't want to take any chances.

The last month that you can plant amaranthus and expect a good harvest is probably August. 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

The average date of last frost is April 15 in Old Westbury. You should expect an average low temperature of 0°F in the coldest months of winter.

Remember that USDA zone info for Old Westbury 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 Old Westbury it frosts late in the year after April 15 be ready to cover your amaranthus if you have a surprise late frost.

USDA Zone Info for Old Westbury

Here is the info for USDA Zone 7a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	0°F
Highest Expected Low	5°F

This means that on a really cold year, the coldest it will get is 0°F. On most years you should be prepared to experience lows near 5°F.

Plants to Grow in Old Westbury

You may be interested in your other planting guides for Old Westbury.