Before planting it is a good idea to find your USDA Zone info to figure out your garden schedule. 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 cardinal flower in Hammonton can be estimated by looking at the USDA zone info.

Planting Calendar for Cardinal Flower

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

Cardinal Flower require warm weather 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 cardinal flower in Hammonton 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 cardinal flower and expect a good harvest is probably August. Any later than that and your cardinal flower may not have a chance to grow to maturity. Starting your cardinal flower indoors is a great way to get them started a little bit earlier.

Last Frost Date

On average the last frost when the weather gets warmer is on April 15 in Hammonton. You should expect an average low temperature of -5°F in the coldest months of winter.

Since the USDA zone info for Hammonton may not be accurate from year to year the actual date of last frost will vary from year to year. Since half of the time in Hammonton it frosts late in the year after April 15 be ready to protect your cardinal flower in the event of one of those late frosts.

USDA Zone Info for Hammonton

Here is the info for USDA Zone 6b.

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

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

Plants to Grow in Hammonton

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