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.

The USDA zone info for Florham Park can be reviewed to determine when it's the best time to plant platycodon.

Planting Calendar for Platycodon

Frost tolerance for platycodon:	Tolerant of a very small amount of frost.
When to plant:	Up to 3 weeks before last frost.

You can plant platycodon just a tiny bit earlier in the year because they are barely cold tolerant.

The earliest that you can plant platycodon in Florham Park 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 platycodon and expect a good harvest is probably August. You probably don't want to wait any later than that or else your platycodon may not have a chance to really do well. You can get started a little bit earlier by starting your platycodon indoors.

Last Frost Date

On average the last frost is on April 15 in Florham Park. You should expect an average low temperature of -5°F in the coldest months of winter.

Just be sure to remember that USDA zone info for Florham Park is an average and the actual date of last frost is different every year. Since half of the time in Florham Park it frosts late in the year after April 15 be ready to cover your platycodon in the event of one of those late frosts.

USDA Zone Info for Florham Park

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 Florham Park

You may be interested in your other planting guides for Florham Park.